Top Gear's latest episode Jeremy Clarkson makes a review about Jaguar XF-R and puts it against the mighty, powerful BMW M5. The Jaguar XFR is the fastest car the company has ever built with a top speed of 225.675mph (363.188km/h). This speed is recorded in January on the Bonneville Salt Flats (Utah, USA) . The Jaguar XFR is powered by a supercharged V8 engine which develops 510PS and 625Nm of torque and can accelerate from 0 to 60 mph in 4.7 seconds. Although - official information says the Jaguar XFR is limited to 155 mph, Clarkson manages to take it well beyond that mark...