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Jaguar XFR claws into power race

2009-01-12 09:15
Vehicle Specs
Manufacturer Jaguar
Model XF
Power 5l, V8
Jaguar’s strikingly stylish XF range now has the power to upset German performance rivals thanks to a direct-injection 5l V8.

Though the XF range is only a year old - and aesthetically nearly perfect - it has been trounced in all-out power comparisons by German competitors.

Cat getting its claws back

The 4.2-litre supercharged XF is set to be replaced by a naturally aspirated 5l V8 (283kW/515Nm) and the performance oriented XFR joins the range (375kW/625Nm) too.

Drivers of RS, M and AMG badged German medium executive saloons might have to share their right-hand lane hogging rights now, thanks to the unveiling of the XFR at the Detroit auto show.

The fastest four-door Jaguar yet features an Eaton 'Twin Vortex' supercharger with four lobes per rotor instead of three, reducing supercharger whine, which should allow the V8 soundtrack to be purer for more audible enjoyment.

XFR features an active rear-differential able to distribute torque up to a 90% bias under full power at the limits of traction - think of it as really clever electronic limited-slip differential made for controlled power-sliding.

Ensuring the XFR package is dynamically commensurate to its power output are larger brakes and a quicker steering ratio. Damping is now managed by a continuously-variable Bilstein system, replacing the CATS dual-setting sport suspension.

Distinguishing the XFR from lesser XF models are 20-inch wheels, a requisite performance body kit with a new front bumper and two double exhaust pipes.

Jaguar’s XF sequential shift has been improved too. Adaptive dynamics (unsurprisingly featuring damper control) can now be set on standard, winter and dynamic modes by the driver via the Jaguar Drive Control system.

The upgraded XF 5l V8 should arrive in North American and European dealerships by March, with the XFR following in April.
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