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Jaguar road car tops 363km/h at Bonneville

 

Jaguar has set the fastest top speed ever for a roadgoing Jaguar with a 225.675mph (363.188km/h) run by an XFR prototype in a secret speed trial at the Bonneville Salt Flats in Utah, USA

The car – powered by the all-new AJ-V8 Gen III engine – beat Jaguar's previous speed record of 217.1mph (349.4km/h) set in the XJ220 mid-engined sports car in 1992.

Paul Gentilozzi – the owner of Rocketsports Racing who successfully led the Jaguar XKR to five series victories between 2001 and 2006 in the American Trans Am – drove the XFR on the record-breaking run.

Running with minor aerodynamic and safety modifications to meet the requirements for a Bonneville run, the 225mph top speed was achieved with additional horsepower liberated by a remapped ECU, a modified air intake and exhaust system and revised supercharger settings.

No internal engine components were changed and the six-speed automatic transmission was standard, including the gear ratios. 

Jaguar managing director, Mike O'Driscoll, says the supercharged 510bhp XFR – and XKR – add “a thrilling new dimension to the Jaguar line-up.

“We have sharpened the R models, fine-tuning them to deliver a totally focused experience for driving enthusiasts, with the new AJ-V8 Gen III engines delivering refined power and performance and unmatched efficiency.

"This sharper edge – the quicker steering rack, outstanding grip and stability and improved stopping-power – has been achieved by using advanced Jaguar technologies such as Adaptive Dynamics (the latest in computer-controlled suspension and traction control), a new electronic Active Differential Control and significantly uprated brakes."

Gentilozzi says that during his long racing career he has competed from the “southern tip of New Zealand to Le Mans. Along the way, I’ve been privileged to drive and own so many exciting cars but I've never driven one that was as exciting to drive fast as this Jaguar."

The new XFR – the first XF to carry the R badge – has a supercharged 5.0-litre V8 engine developing 510PS and 625Nm of torque and can accelerate to 100km/h in 4.9 seconds.

 


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