Jaguar unveiled all-new supercharged 510bhp XFR and XKR at NAIAS today, and announced that the new XFR prototype has already run a top speed of 225.675mph (363.188km/h). The new XFR is the first XF to carry the ‘R’ designation which defines Jaguar’s most performance-focused models. Powered by a new supercharged 5.0-litre V8 engine developing 510PS and 625Nm of torque. But for the production car’s electronically limited 155mph top speed, it would be the fastest Jaguar ever, even faster than the 217.1mph (349.4 km/h) set by the XJ220 in 1992. The Jaguar XJ220 held the record for the highest top speed of a production car until the arrival of the McLaren F1 in 1994. High-speed runs play a large role in the history of the Jaguar marque, with this May seeing the 60th anniversary of the Jaguar XK120's record-breaking 132.6mph run set in 1949. Full details of the new models inside.
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