INTRODUCTION
"Challenging the rules and standing out from the
crowd, the new XF fuses sports car styling and performance with the
refinement, space and sophistication of a luxury saloon. It is a
defining example of Jaguar's dedication to creating beautiful fast
cars - and with magnificent new engines that are quite simply our
best ever the XF sets new standards across the board."
Mike O'Driscoll, Managing Director, Jaguar Cars
THE NEW 2010 MODEL YEAR AT A GLANCE
- Significant enhancements to the new Jaguar XF for 2009
- Two all-new direct-injection 5.0-litre V8 engines
- New high-performance 3.0-litre V6 twin turbodiesel engine
- New XFR flagship joins the XF range
- Upgraded features and specification across the XF range
The new XF is already acclaimed as a key element in the
revitalisation of the Jaguar brand, with its new generation of
beautiful fast cars. But now the car that defines Jaguar sporting
luxury is even better, with major powertrain changes and a wider
range of models - including a stunning new, supercharged XFR and a
high-performance diesel.
The 2010 model year XF features all-new 5.0-litre
direct-injection V8 petrol engines and a new 3.0-litre V6
twin-turbo diesel. There are also significant trim and
specification changes - including many new features unique to the
new XFR.
When it was introduced last year, the XF was soon recognised as
a dramatic expression of a bold new Jaguar design language. It also
soon became apparent that here was a car where the driving
experience exceeded the expectations created by the striking
appearance. Now, the new XFR takes this driving experience to new
levels, shifting the balance even further towards dynamic
performance while still retaining the XF's core values as a refined
and luxurious sports saloon. Power comes from an all-new 5.0-litre
direct-injection supercharged V8 engine delivering 375kW and 625Nm
of torque. Immediately recognisable thanks to unique new 20-inch
wheels, a new front end design with revised chrome air intakes,
'Supercharged' bonnet louvres, four polished exhaust tailpipes, an
aerodynamically functional boot lid spoiler and side sills, the new
XFR also sports discreet 'R' badging.
The new XFR features Active Differential Control and Adaptive
Dynamics - technologies being introduced for the first time on this
and the XKR sports car. The electronically controlled differential
and suspension system work together to optimise traction under hard
acceleration and cornering - highly appropriate for a car that
offers an electronically limited top speed of 250kph and reaches
100kph from standstill in just 4.9 seconds. The XFR also adds a
faster steering ratio and uses the XF's largest ventilated disc
brakes - although every version of the XF with the new, more
powerful engines features uprated braking specification.
The attributes that marked out the XF at launch are still very
much new and in the public eye. The four-door XF has the visual
excitement of a coupe, but room inside for five adults to enjoy an
interior wholly contemporary in style yet uniquely Jaguar.
"The new XF challenges the rules and redefines Jaguar
sporting luxury. Our designers and engineer work together to
develop elegant, inspired solutions to complex technical
challenges. It's a simple but very effective philosophy and the
result is great new products like the XFR and new 3.0-litre diesel
XF."
Mike O'Driscoll, Managing Director, Jaguar Cars
Simplicity and clever use of space are key to the XF's interior
design and this is unchanged in the new generation. For the driver,
this is centred on the compact packaging of the JaguarDrive
Selector™ transmission interface. The beautiful cast alloy
Selector has already gained recognition for its part in the
distinctive XF 'welcoming handshake'; a sequence in which the
illuminated stop/start button pulsates like a heartbeat until
pressed, when the JaguarDrive Selector™ rises into the
driver's hand and the rotating facia vents silently open.
Features such as this have already attracted more than 30,000
customers to the new XF - and now, in many instances, they have
been enhanced even further. The combination of aluminium dashboard,
satin or gloss wood veneers, tailored instrument panel and door
panels with twin-needle stitching as standard, plus Phosphor Blue
halo illumination and interior mood lighting, set the XF's cabin as
far apart from its competitors as its exterior styling.
But it is the new powertrain options that are at the heart of
the changes for 2010 model year. The all-new 5.0-litre AJ-V8 Gen
III engines - in 283kW/515Nm naturally aspirated and 375kW/625Nm
supercharged 'R' guise - add an entirely new, even more sporting
dimension to the XF range.
These new engines are Jaguar's most efficient ever, and they
deliver power and performance at a higher level across the board.
In the case of the supercharged engine, compared to the 4.2-litre
V8 that it supersedes, power has increased by a remarkable 23
percent and torque by 12 percent.
The result in the new XFR is a 0-100kph sprint time of just 4.9
seconds.
The comparisons for the naturally aspirated engine are equally
impressive. Power is increased by 29 percent and torque by 25
percent. The benchmark 0-100kph acceleration time is 5.7 seconds -
some 0.8 seconds quicker than the 4.2 XF. Better still, these
improvements are achieved with slight improvements in fuel economy
and emissions performance. The new engines also meet EU Stage 5
emissions regulations.
Don't think for one moment that the new 3.0-litre turbodiesel
engine is any less impressive than the new V8s. The AJ-V6 D Gen III
engine with 202kW/600Nm sets new standards of performance and
refinement for the XF diesel customer. Featuring parallel
sequential turbochargers to help deliver the high levels of power
and torque seamlessly and with effortless flexibility, this engine
is perfectly matched to Jaguar's sophisticated six-speed ZF 6HP28
automatic transmission.
This powerful new diesel engine gives the XF outstanding levels
of performance. 0-100kph is despatched in just 6.4 seconds, 1.8
seconds quicker than the 2.7-litre model it replaces. Maximum speed
is electronically limited to 250kph.
This great performance leap is achieved with combined average
fuel consumption of 6.8 l/100km - an improvement on the 2.7-litre
engine of over 10 percent - and a CO2 emissions rating of only
179g/km.
The new XFR and high performance diesel will be released in
Australia in Quarter 3,2009.
THE NEW XF 2010 MODEL YEAR IN SUMMARY
- All-new V8 petrol and new V6 turbodiesel powertrains. The new
XFR introduces the 375kW supercharged 5.0-litre AJ-V8 Gen III
petrol engine - replacing the 4.2-litre supercharged V8 engine and
adding other dynamic advances to create the quickest and most
sporty XF yet
- The new XFR's driving dynamics are underpinned by the
introduction to the XF range of Active Differential Control
(electronically controlled rear differential) and Adaptive
Dynamics, the latest in computer-controlled suspension
- The new XF engine range also includes a naturally aspirated
283kW version of the new AJ-V8 Gen III petrol engine, replacing the
4.2-litre V8
- The revised XF range introduces the all-new 3.0-litre AJ-V6 Gen
III diesel engine with twin parallel sequential turbochargers. The
engine offers 202kW with 600Nm of torque, for huge flexibility with
exceptional refinement
- Every new engine for the XF range combines enhanced power and
performance with superb drivability and highly competitive fuel
economy and CO2 emissions figures - the diesel version produces
just 179g/km
- Across the board the new petrol and diesel engines offer power
gains of up to 33 percent, torque gains of up to 38 percent, and
fuel economy improvements. The diesel engine delivers combined
average fuel consumption of 6.8 l/100km - an improvement on the
2.7-litre engine of nearly 12 percent
- The new XFR is distinguished by unique exterior and interior
design features including unique 20-inch alloy wheels, revised
bumpers and lower front air intakes, sill extensions, bonnet
louvres and grilles, four tailpipes and a boot-lid spoiler
- Subtle external detail enhancements and new alloy wheel choices
confirm the XF family's evolution while blending seamlessly into
the XF's acclaimed new design language
THE NEW 2010 XF
INTRODUCING THE NEW XFR AND THE NEW XF 3.0 V6 DIESEL
S
When the first customers took delivery of their XF in June of
2008, they became the owner of a Jaguar that fuses sports car
styling and performance with the refinement, features and space of
a premium luxury saloon.
And although launched only a year ago, the XF has already
collected an astonishing number of accolades, such as the Drive
Car of the Year "Best Luxury Car over $60,000" Award,What
Car? Car of the Year in the UK, Popular Mechanics
Best Luxury Vehicle and a privileged place on Car and Driver's
10 Best Cars for 2009 in the US. These honours are recognition
of a car that combines innovation with leading edge design.
Contemporary, individual and beautifully crafted, with excellent
performance, refined powertrains and outstanding driving dynamics,
the XF pushes the boundaries of Jaguar's new design language. It is
also an unequivocally modern car that makes intelligent use of
advanced technology and as a result has accelerated Jaguar's
acceptance to a much broader audience of luxury car customers.
Now Jaguar has moved the game on again. The highlights of the
new 2010 model year XF, available to customers from Q3 2009, are a
new flagship - the stunning, supercharged XFR - two all-new V8
petrol engines, a new V6 diesel engine and significant trim and
specification changes.
The new XFR is the first XF to carry the 'R' badge, which
defines Jaguar's most performance-focused models. Powered by an
all-new supercharged 5.0-litre V8 engine developing 375kW and 625Nm
of torque, the XFR is huge step forward for the XF. Compared to its
supercharged 4.2-litre V8 predecessor, power has increased by a
remarkable 23 percent and torque has increased by 12 percent.
This mighty new engine gives the XFR a 0-100kph time of only 4.9
seconds.
Better still, these improvements are achieved without penalty
compared to the previous generation of supercharged engine: the
combined fuel economy and CO2 emissions figures are even better
than the 4.2-litre engine it replaces. The new engine also meets EU
Stage 5 emissions regulations.
The new XFR demonstrates Jaguar's commitment to delivering
exhilarating performance and outstanding dynamics for the driving
enthusiast - the 'Fast' part of the Jaguar ethos of designing,
engineering and manufacturing 'Beautiful, Fast Cars'. And it is
Jaguar Design Director Ian Callum and his team that have worked to
finesse the 'Beautiful':
"Every XF is distinguished by its dramatic styling, flowing
lines and coupe-like appearance but the new XFR is the ultimate
sporting execution of that design language. It has superb
proportions, better than any of its rivals, with a wide track and
confident stance."
Ian Callum, Director of Design, Jaguar Cars
The enhanced exterior styling of the XFR moves those sporting
credentials on even further, to deliver the ultimate expression of
Jaguar's new saloon car design language - carrying a number of
design cues that are intrinsic to Jaguar's 'R' car philosophy. Its
unique new front-end design has a larger lower grille with new
black-finished mesh, plus chrome outboard air intakes. The upper
mesh grille retains XF's bright finish, while the XFR's unique
bonnet carries bold and distinctive louvres, like those on the
XKR.
XFR also features bold new sill extensions, while the rear
bumper adds a unique body-coloured lower valance panel
incorporating the 'R' signature of four large, bright-finished tail
pipes. The new bootlid spoiler not only makes the XFR instantly
recognisable but also has a significant aerodynamic effect.
Developed in conjunction with the new front bumper design, it
further improves XFR's front/rear lift balance, and therefore its
high-speed stability. A new exterior mirror design also offers
aerodynamic improvements, plus improved functionality with its LED
side repeaters.
The XFR's sporting character is clearly apparent in the 20-inch
Nevis alloy wheels that are fitted as standard - the only car in
its class to offer this size of wheel as standard specification.
Those twin-seven-spoke wheels bear the wording 'Jaguar
Supercharged' embossed around their centres, and are wrapped
tightly around silver-grey brake callipers, which carry the
evocative 'R' logo. The R badge also appears on the right-hand side
of the boot lid drop panel, to complete the XFR's external visual
identity.
The XFR is offered with a limited colour palette. Just eight
exterior colours are available: Ultimate Black, Indigo, Liquid
Silver, Lunar Grey, Porcelain, Botanical Green, Kyanite Blue and
Salsa. All except Salsa and Porcelain are metallic colours and,
within the XF range, Salsa and Kyanite Blue are unique to XFR. For
each colour, too, as across the rest of the XF range, Jaguar
suggests a 'Designer's Choice' of the leather trim colours that go
best with each body colour and with the Warm Charcoal upper facia
colour that is standard on every XFR.
The interior design theme is modern and individual. The cabin
environment is uniquely Jaguar and in XFR more unique details hint
at the car's performance. It features a full soft grain leather
interior as standard, with four colour choices - Warm Charcoal,
Warm Charcoal/Red Zone, Warm Charcoal/London Tan, and Ivory; and a
new Dark Oak veneer is the standard finish for the XFR's
wood-trimmed areas. Its new 18x14-way adjustable sports seats have
newly shaped electrically adjustable squab bolsters for
significantly improved support at higher cornering speeds. Each XFR
seat, front and rear, has the 'R' logo embossed on its squab and
the front seats have leather seat-back map pockets. The lower
steering wheel spoke is also leather trimmed, with its own 'R'
logo.
The fascia introduces a unique, dark mesh aluminium finish, and
another discreet 'R' badge on the passenger side of the instrument
panel. The speedometer and tachometer have the unique sporting
signature of red dial pointers, and carry the 'Supercharged' motif.
And at start-up, the 'R' logo appears on the Touch-screen as part
of the XFR 'driver handshake' sequence.
The XF is a car packed with user-friendly technologies. Features
that distinguish include full shift-by-wire transmission controlled
by the JaguarDrive Selector™, plus cruise control with
Automatic Speed Limiter. The optional radar-based Blind Spot
Monitor warns the driver when there is another vehicle nearby in a
different lane, and XF's optional Rear Camera Parking Aid provides
a clear view of the area behind the car on the colour Touch-screen
while reversing. That is now upgraded with on-screen guidance lines
that move according to steering wheel angle to indicate the area
into which the car will reverse.
A significant number of enhancements have been made above and
beyond the impressive features in the 2008 XF. The new XF's
navigation system now includes turn-by-turn instructions in the
message centre, clearly indicating the route with a combination of
junction icon, distance countdown details, and the street or road
name. For diesel models, Jaguar's new diesel mis-fuelling
prevention device is fitted as standard - and an Acoustic Laminated
Windscreen is a new standard feature on every XF.
Comfort, luxury and craftsmanship continue to be XF trademarks.
Multi-way adjustable power seats are standard on all models, with
the option of actively ventilated heated and cooled seats and a
heated steering wheel. XF's impressive range of audio options is
topped by an exclusive optional sound system, the Bowers &
Wilkins 440W system with Dolby® ProLogic® II surround sound
and no fewer than 14 speakers. And XF's Portable Audio Interface
allows simple, direct connection of iPod® and MP3 players with
full control via the Touch-screen or steering wheel-mounted
controls.
JaguarSense™ allows touch-sensitive operation for the
glovebox release and interior lights - and those lights feature
soft, Phosphor Blue interior mood lighting with Halo illumination
around key switch packs to ensure easy and positive night-time
operation.
THE ALL-NEW AJ-V8 GEN III ENGINES
The supercharged 5.0-litre V8 that powers the new XFR is
Jaguar's new flagship engine, but it is only half of the petrol
engine story - a naturally-aspirated version of the all-new engine
brings additional advanced technologies and performance to other
models in the XF range.
AJ-V8 Gen III engine technology at a glance
- New AJ-V8 Gen III engines are more compact, more efficient and
much more powerful
- Two versions of the all-new 5.0-litre V8 engine:
-
- 283kW, 515Nm, 264g/km CO2, 11.1 l/100km combined fuel economy
(naturally aspirated - the Gen III)
- 375kW, 625Nm, 292g/km CO2, 12.5 l/100km combined fuel economy
(supercharged - the Gen III R)
- Conform to EU 5 emissions regulations
- High efficiency, sixth-generation twin vortex supercharger on
Gen III engine
- Central spray-guided direct-injection increases efficiency and
torque
- Torque-actuated variable camshaft timing on all four camshafts
for improved response and efficiency
- Cam profile switching in naturally aspirated engine
- Variable-geometry inlet manifold on naturally aspirated engine
further increases low and high-end torque
- Low-friction design optimises fuel consumption
Generations of powerful yet refined engines have played a
crucial role over the years in establishing the unique character of
Jaguar cars. Now, two all-new direct-injection petrol engines
continue that tradition for the XF, delivering increased power and
torque with improved emissions and fuel consumption. The first is
the all-new 375kW, 5.0-litre AJ-V8 Gen III R supercharged V8
petrol, also available in naturally aspirated form producing
283kW.
Light, robust and very strong
The new V8 engines are built around a stiff, all-new, aluminium
block with cast-in iron liners and cross-bolted main bearing caps
to reduce noise, vibration and harshness. For the first time at
Jaguar the blocks are high-pressure die-cast, providing a superior
finish and greater dimensional accuracy. The engines use aluminium
heads, with four valves per cylinder and strong,
spheroidal-graphite cast-iron crankshafts and forged steel
connecting rods. The cylinder heads for the first time are
specified with a secondary (recycled) aluminium alloy thus reducing
the environmental impact of manufacturing the new engine.
The new 5.0-litre direct-injection petrol engines are more
compact than their predecessors. Overall engine length has been
reduced by 24mm by relocation of the oil pump within the engine
architecture. This length reduction improves engine bay packaging
in support of enhanced safety cell performance while ensuring
overall engine weight is virtually unchanged.
Jaguar's all-new petrol V8s have been designed in-house, using
the expertise of powertrain engineers at Jaguar's advanced research
and development centre at Whitley, Coventry, UK. Malcolm Sandford,
Engine Group Chief Engineer, explains the concept behind the
project:
"The emphasis was on delivering efficiency, superior dynamic
response and highly accessible low-end torque suited to real-world
driving, without compromising power at higher engine
speeds."
The results are clear to see. Performance has been increased by
29 percent and 23 percent on both naturally aspirated and
supercharged engines yet both the naturally aspirated and
supercharged engines meet EU 5 emissions regulations. Despite the
significant increases in power, CO2 emissions of the naturally
aspirated engine are the same as the outgoing 4.2-litre V8, and the
supercharged engine produces two percent less CO2 than its
predecessor.
Industry-first direct injection - power with
economy
One of the key features of the new petrol engines is an
industry-first, centrally-mounted, multi-hole, spray-guided fuel
injection system, delivering fuel at a pressure of up to 150bar
directly to the cylinder. This substantially contributes to
improved low-speed, dynamic response. The positioning of the
injectors ensures fuel is precisely delivered to the centre of the
combustion chamber, maximising air-fuel mixing, and improving
combustion control. Fuel is delivered via twin, high-pressure fuel
pumps that are driven via an auxiliary shaft in the all-new engine
block.
The charge-cooling effects of the direct-injection fuel system
have allowed the compression ratio of the naturally aspirated
engine to be raised to 11.5:1, further improving the engine
economy. The supercharged engine also benefits from an increase
from 9.1:1 on the previous 4.2-litre version to 9.5:1.
During the engine warm-up phase, the combustion system employs
multiple injection mode strategies to deliver 50 percent more heat
for fast catalyst warm-up and substantially reduced emissions.
Torque-actuated Variable Camshaft Timing improves
efficiency
A new type of variable camshaft timing system (VCT) introduces
another new technology. The four VCT units are activated by the
positive and negative torques generated by opening and closing the
intake and exhaust valves, instead of by oil pressure. This has
allowed the engine oil pump to be reduced in size, saving energy
and reducing fuel consumption.
VCT units work independently on all four camshafts with 62
degrees of authority on the inlet cams and 50 degrees of authority
on the exhaust cams. Timing is optimised by the engine control unit
for torque, power and economy at every point in the engine's speed
range.
The response rate of the new VCT units is up to three times
faster than before, with actuation rates in excess of 150 degrees
per second. This delivers a more immediate engine response to the
driver's demand.
The naturally aspirated engine is also equipped with camshaft
profile switching (CPS) on the inlet camshaft. Depending on the
engine's running conditions and the demands of the driver, the CPS
will switch between a profile that is ideal for low-speed driving,
and another which gives increased valve lift for high
performance.
Variable Inlet Manifold optimises torque through the rev
range
A new variable inlet manifold (VIM) can vary the length of its
eight inlet tracts to optimise power and torque throughout the rev
range on the naturally aspirated engine. Vacuum-operated actuators
open valves to select a longer, 680mm inlet tract at low revs,
increasing the rate of both the airflow and the engine torque. As
the revs climb beyond 4700rpm, the actuators select a shorter,
350mm path allowing a greater volume of air into the engine to
optimise engine power. The actuator position is optimised by the
engine control unit for improved torque throughout the engine speed
range.
Reducing friction - something for nothing
Minimising internal friction is key to improving fuel consumption
and CO2 emissions, and as such was a key aim when it came to the
design of the engines. As a result, the new Jaguar AJ-V8 Gen III
engines achieve another best in class, setting a new industry
benchmark for cranktrain efficiency.
All engine bearings were the subject of an extensive
optimisation programme, reducing friction without compromising
reliability. Diamond-Like Carbon Coating (DLC) has been used to
reduce friction on the fuel pump tappets and a solid film lubricant
has been used to coat the piston skirts.
Jaguar has developed a unique, intelligent oil-pump pressure
relief valve (PRV) which senses oil pressure deep in the engine's
oil galleries to control the oil pump delivery. As a result, oil
pump frictional losses are reduced during the warm-up period. Both
V8 engines are now fitted with an electronic oil level sensor
feature for added peace of mind.
Unique, Jaguar sound quality
Sound quality is a key characteristic of all Jaguars and is one
particular aspect that customers relish. With that in mind, Jaguar
engineers have deliberately accentuated the acoustic feedback into
the cabin in order to further increase driving pleasure.
The XFR has received special attention to deliver the required
V8 intake sound character commonly absent on supercharged engines.
Intake manifold pressure pulsations are fed into an acoustic filter
at the rear of the engine that is tuned to "tenor C", with the
output from the filter ducted into the cabin. The filter is
controlled by the engine management system which allows the
acoustics to enter the cabin only under certain conditions, such as
when the engine is accelerating hard, thus maintaining the desired
sound quality at all times.
New supercharger - more for less
A sixth-generation, twin vortex system (TVS) supercharger is fitted
to the XFR's 375kW engine. It is a compact Roots-type unit, feeding
air through twin intercoolers, which in turn are water-cooled by
their own discreet cooling circuit. The high helix rotor design
improves the supercharger thermodynamic efficiency by 16 percent.
It also improves noise quality to the point where the unit is now
virtually inaudible (making supercharger whine a thing of the
past). The intercoolers reduce the temperature of the pressurised
intake-air and so optimise power and efficiency.
The new air intake has been radically redesigned compared to the
previous V8. The intake air path is a direct feed to the
supercharger inlet from the centrally mounted front throttle body.
Air is delivered through twin air boxes, which reduce flow loss and
further increase efficiency.
Mechanically, the new supercharger and its intercoolers are
efficiently packaged in the 'V' of the engine to deliver a low
overall engine height in support of pedestrian safety
requirements.
Advanced six-speed transmissions
The all-new 5.0-litre AJ-V8 Gen III and the 3.0-litre AJ-V6 D Gen
III engines transmit power through an enhanced version of Jaguar's
acclaimed ZF 6HP28 electronically controlled, six-speed
transmission. Additional clutch plates and an uprated torque
converter have been added for the supercharged V8 to facilitate the
extra power.
The transmission has a fully-adaptive shift system which
delivers extremely smooth gear changes and optimises performance
and economy at all times. It also continually adapts to suit
driving style, which can vary from sporting to more economical. The
'mechatronic' control module incorporated inside the transmission
includes the software for the semi-automatic Jaguar Sequential
ShiftTM function, selected when the driver operates either of the
two steering-wheel paddles.
The high levels of torque produced by the new engines make it
possible for the torque converter lock-up feature of the
transmission to be used even at low speeds, without slip. This
approach provides an additional fuel consumption saving,
contributing to the official combined fuel economy of 12.5 l/100km
in the XFR and 11.1 l/100km in the naturally aspirated V8-powered
XF. The advanced design of the transmission includes a torsional
damper to absorb firing impulses from the engine, further smoothing
the driveline. The transmission is designed to be maintenance-free
and the fluid is 'filled-for-life.'
Stunning performance and dynamism
The headline advances of Jaguar's new engines are hugely
significant and impressive. They take Jaguar's philosophy of
'intelligent power' to another new level and that means instant
responses, seamless power and smooth, refined performance with no
compromise to fuel efficiency - all thanks to intelligent use of
the most advanced technologies. And, of course, in XFR guise, it
makes for the quickest XF yet.
Mike Cross, Vehicle Integrity Chief Engineer, explains the
significance of the powertrain changes in the 2010 XF range:
"Instant response, seamless power delivery and smooth
refined performance characterise the new XF diesel and V8 petrol
engines. The awesome 375kW supercharged V8 engine in the XFR
delivers thrilling performance to satisfy the most demanding
drivers. Allied to a class-leading automatic transmission featuring
Jaguar's lightning-quick Sequential Shift system and advanced
technologies such as the new Active Differential Control and
Adaptive Dynamics, the XFR offers an exhilarating driving
experience, yet one that is still accessible to everyone."
In line with the additional performance, XFR adopts the largest
brakes fitted to the XF range, with 380mm diameter internally
ventilated front discs. XFR's unique 20-inch wheels and tyres were
specifically chosen to enhance the dynamic character of the car,
and in particular to optimise wet weather grip.
Jaguar's Emergency Brake Assist is standard on XF and Adaptive
Cruise Control (ACC) is now available as an option all models.
Advanced Emergency Brake Assist is a new attribute of the ACC
system on the new 3.0 V6 diesel and 5.0 V8 petrol models; it uses
the ACC radar to calculate distance from and speed of approach to
the vehicle ahead and pre-charges the brake-line pressure to
minimise impact speed if a collision is predicted - as well as
giving an audible warning to the driver.
To improve handling and steering responses, the XFR is fitted
with a 'fast ratio' steering rack, and additionally benefits from
the further improved front-to-rear aerodynamic balance offered by a
new boot lid spoiler and deeper front bumper. This is a significant
gain as XF's lift balance was already best in class, and its low
overall aerodynamic drag coefficient of only 0.29Cd contributes to
both low wind noise and inherent high-speed stability.
The XF's body shell is already extremely stiff - in fact the
stiffest in its class. This is key to the XF delivering superb ride
and handling based on taut body control and precise, responsive
steering. The bodyshell for the new 10 Model Year XF is even
stiffer, thanks to a new rear subframe and the adoption of a boot
cross-brace that was previously only fitted to the XF SV8
model.
Latest computer-controlled suspension and
differential
The biggest changes in chassis dynamics for the XFR, however, come
from two new advanced technologies, Adaptive Dynamics and Active
Differential Control - which are both incorporated as standard.
Active Differential Control (ADC) with traction-only
functionality and handling functionality is an electronically
controlled alternative to the traditional, wholly mechanical
differential, offering more subtle control strategies.
ADC can vary its locking torque (and therefore the proportion of
torque to each driven wheel) depending on surface conditions and
power applied. Its control strategies optimise traction at each
wheel, improving acceleration on low-grip surfaces while also
enhancing cornering ability. ADC has no adverse effect on either
refinement or stability - where the traditional, mechanical
differential can compromise stability under hard applications of
power, demanding more corrective input from the driver.
Whereas a mechanical differential is permanently active, the
XFR's new ADC system is switched off when not required, so unlike
the mechanical alternative, it does not risk undesirable
understeer, and creates no issues with NVH at low speeds.
The differential is operated by an internal electric motor and
'ball-and-ramp' mechanism, and contains a multiplate clutch, which
transmits or 'vectors' torque to the wheel with most grip. The
multi-plate clutch assembly is designed to prevent excessive
differential slip, but differs fundamentally from a conventional
traction control which uses the brakes to counteract slip after it
has occurred.
Adaptive Dynamics is a highly sophisticated active damping
system which automatically adjusts suspension damper settings to
suit both road conditions and the way in which the car is being
driven. By removing the need for compromise between a fixed, softer
setting for ride comfort and a fixed, firmer setting for tauter
body control and handling, Adaptive Dynamics allows the balance
between ride and handling to be optimised whatever the
circumstances. Unlike earlier systems with only a small number of
steps in the damper settings, it offers a progressively variable
damping strategy between wide extremes, to deliver a comfortable
but sporty ride with impressively sharp handling.
The three primary functions of Adaptive Dynamics are to control
vertical movement, roll rate and pitch rate of the body. It does
this by analysing induced body motions one hundred times a second,
and setting each damper to an appropriate level in order to
maintain a constant and level body attitude, thereby optimising
control without compromising ride. Also one hundred times a second,
it predicts the roll-rate due to steering inputs, and selectively
increases damping forces to reduce that roll-rate - improving
handling feel and driver confidence - as well as analysing fore and
aft pitch rate due to throttle and braking inputs, and again varies
damping forces to reduce pitch, further improving comfort and
control.
Additionally, Adaptive Dynamics improves ride by monitoring
wheel position five hundred times a second and automatically
increasing damping rate as the suspension approaches the limits of
its travel. Similarly, it controls wheel 'hop' by varying damping
to move any wheel out of a natural bouncing frequency, again
benefiting ride comfort, handling, and even grip.
XFR also features Handling Functionality, which is unique in
this class. In conjunction with the DSC Off option and JaguarDrive
Control™ with Dynamic Mode, this supplements all the
advantages of Traction Only Functionality with a number of more
driver-focused dynamic characteristics. Dynamic Mode (which is
standard on the new naturally aspirated 5.0-litre V8 petrol and new
3.0-litre V6 diesel models) modifies the throttle, stability and
transmission parameters, and on XFR only it also modifies the
Adaptive Dynamics responses. The combination of ADC and Dynamic
mode with DSC Off allows controllable power-on oversteer, and
improves off-throttle stability, allowing quicker, more spirited
cornering. It can also improve stability in situations such as an
emergency lane-change manoeuvre at high speed and, in combination
with DSC, reduce the brake interventions which the more
enthusiastic driver might see as intrusive.
So, working with DSC, the TCS traction control system and ABS
braking function, ADC can significantly improve overall vehicle
performance, and provide even more precise driving feel. Together
with its very high performance potential, that is what defines the
new XFR as a perfect home for Jaguar's 'R' philosophy, and the
sportiest of all XF models.
State-of-the-art 3.0-litre V6 diesel
- Unique, parallel sequential twin-turbocharger system increases
power, torque and response
- Increased torque and effortless performance
- AJ V6D Gen III Diesel S version 202kW, 600Nm
- 500Nm torque from standstill in 500 milliseconds
- The 202kW Diesel S gives an astonishing 33 percent increase in
power yet still achieves a 10 percent reduction in CO2, emitting
just 179g/km
- Combined average fuel consumption of 6.8 l/100km - an
improvement on the 2.7-litre engine of 10 percent.
- Conforms to EU5 emissions regulations using conventional
exhaust after-treatment
- 2000bar, third-generation commonrail fuel-injection
- Minimised engine friction for greater efficiency
- Low radiated engine-noise
An all-new parallel sequential twin-turbo commonrail diesel, now
at 3.0-litres capacity and producing 202kW, is added to the XF
engine range. The new engine will cut Jaguar's CO2 footprint while
setting a new benchmark in its class. This engine exemplifies
Jaguar's reputation for innovation and engineering excellence;
exhaustive attention to detail and the introduction of new
cutting-edge technologies having produced a powerplant of
unparalleled performance and efficiency.
This 202kW, 600Nm engine radically improves the diesel XF's
acceleration and top speed, with the 0-100kph time reduced to just
6.4 seconds and an electronically governed top speed of 250kph.
"The new parallel sequential turbocharger system on our new
V6 diesel delivers V8 levels of performance from very low revs. The
engine can deliver 500Nm torque from standstill in just 500
milliseconds, which is a remarkable achievement. It's a power unit
that delivers superb flexibility and remarkably low fuel
consumption and emissions, while building on the refinement that
has become a trademark of our Jaguar diesel engines."
Group Chief Engineer, Powertrain, Ron Lee. "
Drawing on the considerable experience gained in designing the
original, acclaimed 2.7-litre engine, the new 3.0-litre V6 diesel
demonstrates that it is possible to deliver improved performance,
while reducing CO2 emissions. In the XF, the new engine produces 10
percent less CO2 than the 2.7-litre while power has increased by 33
percent. As well as tackling CO2, the new 3.0-litre meets the
forthcoming EU 5 regulations, due to come into force in Europe at
the start of 2011. And these great performance leaps are achieved
with combined average fuel consumption of 6.8 l/100km - an
improvement on the 2.7-litre engine of over 10 percent.
Twin-turbos - maximum efficiency, instant
response
A key feature of the new engine is the unique, parallel sequential
turbocharger system, the first of its type to be fitted to a
V-engine anywhere in the world. Delivering high torque throughout
the entire engine rev range, improved throttle response and low CO2
emissions, the twin-turbochargers work sequentially to deliver
unrivalled response and best-in-class torque at low engine speeds,
while packing a huge punch at higher engine speeds.
For most day-to-day driving, including motorway cruising, a
responsive, variable-geometry primary turbocharger does all the
work while the smaller, fixed-geometry, secondary turbo is dormant,
saving energy and improving efficiency. When the engine revs climb
above 2800rpm, the secondary turbo is brought on line within 300
milliseconds, smoothly and seamlessly boosting the engine output
with no discernible turbo-lag or power-step.
Driving a turbocharger requires pressure from the exhaust,
creating pumping losses in the engine and increasing fuel
consumption. To alleviate this, valves under the control of the
engine management system isolate the secondary turbocharger both
from the exhaust stream and the engine inlet tract when it is not
required.
Some twin-turbo systems rely on a smaller turbo for primary use,
only using a larger turbo when higher power is required. Though
effective, this has the disadvantage of raised exhaust pressure and
increased pumping losses. The Jaguar system uses a larger,
variable-geometry turbocharger more of the time, which not only
reduces pumping losses, but also improves fuel consumption and CO2
emissions.
Jaguar engineers have particularly focussed on the issue of
turbocharger 'lag' at low engine speeds. The new AJ-V6D Gen III
3.0-litre diesel significantly out-performs its rivals by
delivering 500Nm of torque in only 500 milliseconds from idle.
Third-generation commonrail
A new commonrail fuel-injection system delivers up to five
injections on each cycle at a pressure of 2000bar. Each injector
tip is perforated by seven holes through which finely atomised fuel
is sprayed into the cylinders. The high-pressure injection
increases power, improves economy and reduces both CO2 and
particulate emissions. New, third-generation high-speed piezo
injectors allow up to five precise injection events during each
combustion cycle, minimising engine combustion noise.
Piezo crystal 'packs' operate each injector by expanding when an
electric current is passed through them. They react virtually
instantaneously but can make a distinctive click when fired, which
can add to diesel engine noise at idle. The crystals in Jaguar's
new injectors are fitted nearer the tip meaning they are mounted
deeper inside the engine providing better sound insulation and
quieter operation.
Another new feature of the third-generation fuel-injection
system is the metering mode. Traditional diesel commonrail fuel
pumps oversupply the injectors, with the surplus being returned to
the fuel tank. During this process, fuel temperature increases and
cooling it again consumes considerable amounts of energy. In
metering mode, the pump delivers fuel to the injectors only at the
rate required. Consequentially, there is no rise in fuel
temperature and no wasted energy.
Compact and very clean
The two cylinder heads, with four valves per cylinder, are made
from aluminium and the cylinder block is made from compact graphite
iron (CGI). The higher tensile strength of CGI makes it possible to
cast a smaller block; some 80mm shorter than a conventional 'grey'
cast iron equivalent.
The new, water-cooled, exhaust gas recirculation system (EGR),
important for reducing pumping losses and emissions of NOX in a
diesel engine, is more efficient and consumes less power than the
2.7-litre unit. The valves that allow exhaust gas into the system
are located on the 'hot side' of the engine nearest the exhaust
manifolds; these valves never cool while the engine is running, so
there is no condensation of combustion deposits which occurs on
engines fitted with 'cold side' valves, hence the EGR system always
works at maximum efficiency. Since the EGR cooling is so effective,
exhaust gasses can bypass the system and return to the exhaust
pipes, allowing faster engine warm-up from start-up and reducing
emissions still further.
EU5 emissions regulations have been achieved ahead of the 2011
legislative timetable (Europe) using conventional diesel oxidation
catalysts and diesel particulate filters (DPFs). NOX levels are
reduced sufficiently at source through the combustion system
design, the addition of the new commonrail injection system and the
new EGR system with by-pass. As a result, specialised NOX exhaust
after-treatment is unnecessary, avoiding a potential cost and the
need to use additional precious metals in the exhaust system.
Remarkably quiet for a diesel
The CGI cylinder block and new piezo injector design reduce
combustion noise in the new engine. Multiple, precise injections of
fuel on the combustion stroke also reduce combustion noise and all
engine covers including camshaft covers, front covers and the sump
have been optimised to subdue radiated noise. Engine enclosures
have been ribbed to minimise radiated noise and the sump pan is
manufactured from sound deadening steel (SDS), comprising a polymer
layer sandwiched between two layers of steel.
Internal friction, a major contributor to unnecessary fuel
consumption, has been addressed by careful optimisation of the
crankshaft, valves and pistons. All these features combine to make
the new Jaguar AJ V6D Gen III engine amongst the quietest premium
diesels on the market today.
A major step forward
With its parallel sequential turbocharger system, third-generation
common rail fuel injection system and fully optimised EGR system,
the new 3.0-litre AJ-V6D Gen III diesel sets new class standards
when it comes to power, response and refinement in the premium
diesel segment.
Jaguar Programmes Director Mick Mohan said:
"The fact that we've reduced CO2 emissions to 179g/km with
this engine highlights the class-leading fuel economy customers can
expect, combined with fantastic performance. It's another great
example of Jaguar delivering unrivalled performance while at the
same time taking the level of refinement in diesel engines to a
whole new level."
XF Portfolio - taking luxury a little
further
An XF Portfolio is about taking the details that define luxury a
little further. Every XF is designed to make its owner feel
special. Every XF combines the practical appeal of refinement and
space with the emotional appeal of luxurious interiors,
intelligently chosen features and exceptional craftsmanship.
The new Portfolio option offers the most luxurious XF
specification, and is available with the naturally aspirated
version of the new 5.0-litre petrol V8 and the new 3.0-litre V6
diesel engine. As well as offering all the features of the Premium
Luxury level, the Portfolio is subtly distinguished by its new
20-inch Selena alloy wheels. Inside, it adds 16-way by 12-way
actively ventilated heated and cooled front seats, with leather
seat back map pockets, and it introduces a luxurious Suedecloth
premium headlining. On the door top-rolls and instrument panel, the
Portfolio adds the further craftsmanship touch of contrast colour
twin-needle stitching, and underfoot it adds premium carpet mats
with contrast edge binding and embroidered Jaguar logos.
The Portfolio also adds a wider choice of veneers - four in
total - and an extended colour palette, all giving maximum customer
choice and opportunity for personalisation. The five interior
colour combinations include two that are unique to the Portfolio -
all of them featuring that distinctive contrast stitching. And the
Portfolio choice includes four different veneer options including a
new unique Figured Ebony veneer.
Beyond the unique performance and luxury alternatives of the XFR
and Portfolio models, the new XF also offers distinctive new
identifying details, including new alloy wheel styles. The 20-inch
Nevis wheel is unique to XFR, while the new 19-inch Artura wheel is
available as an option on the 3.0 V6 petrol and 3.0 V6 diesel and
is standard equipment on the naturally aspirated version of the new
5.0-litre petrol V8.
The new engines offer dipstick-free monitoring with oil level
sensing, and XF also now offers a Brake Pad Wear function.
So more than ever, the new XF, XF Portfolio and XFR challenge
the rules, delivering that unique Jaguar personality summed up in
the two words: 'Sporting Luxury'. The new range offers a superb
blend of performance, value for money and contemporary
desirability, which means Jaguar's acclaimed XF has now moved even
further ahead of its rivals in the sports saloon market.
For further information please contact:
Tim Krieger
Marketing and Public Affairs Manager
Jaguar Australia
Phone: (02) 9020 1505
Email: tkrieger@jaguar.com
Website: www.jaguar.com.au
Anthea Karpathakis
Marketing and Public Affairs Specialist
Jaguar Australia
Phone: (02) 9020 1507
Email: akarpath@jaguar.com
Website: www.jaguar.com.au