This week, Tom tests Jaguar’s make-or-break executive saloon, the XF. Tiff concludes Fifth Gear’s look at the Nascar 500 by driving one of the 200mph race cars. Vicki pushes Bentley’s 200mph Continental GT Speed to the limit. And Jason finds out if the Lotus Elise SC, the first model to be fitted with a supercharger, is the best version ever.

The episode is now available.