JAGUAR has revealed the new XKR and XFR. Featuring all-new AJ-V8 Gen III petrol engines and new AJ-V6D Gen III diesel engines, the XF now delivers more power and more performance with comparable or better fuel economy and emissions than the engines they supersede. The XFR is powered by the all-new supercharged 510PS (510bhp SAE) V8 with acceleration from 0- 60mph in just 4.7 seconds making it the ultimate Jaguar sport saloon. A naturally aspirated 5.0 litre V8, producing 385PS, powers other V8 XFmodels.