Both, the Jaguar XK Dynamic R and the Jaguar F-Type R coupe get reviewed while driven on some winding mountain roads in Britain. The Jaguar XK Dynamic R is based on the latest version of the XKR. This means it is powered by a 5.0-litre V8 supercharged engine that puts out 510 PS and 625 Nm of torque. The XK Dynamic R Jag is the last of its breed, since the British company it's ending its production. The F-Type R is powered by a similar engine, but it develops 550 hp and 680 Nm of torque.