Jaguar launches storming new XKR-S

Jaguar sets sights on the Audi R8 and Porsche 911 with the 550bhp XKR-S, the British firm's fastest production car yet S marks the spot for the fastest and most powerful production model Jaguar has ever built. This is the XKR-S, and it’s designed to steal sales from the Audi R8 and Porsche 911. It promises to sprint from 0-60mph in only 4.2 seconds – that’s four-tenths quicker than any current