Vroom Vroom

The team takes a look at the new Lexus RX 400h. Is it any good? Lady Isabella Hervey takes on the Cat & Mouse Challenge.

The team tests out the Vauxhall Astra VXR. DJ Spoony accepts the Cat & Mouse Challenge.

Dame Kelly Holmes swaps her running shoes for a car dressed up as a mouse and Emma Parker Bowles takes in some rebel racing.

"Coronation Street" star Ken Morley takes us for a spin and the Jaguar X-Type comes under the spotlight.

The team finds out what happens to a car when it is driven using only first gear and how much g-force can be created in a Porsche 911 Turbo.

An epic battle of the giants begins as the Noble M400 goes up against the BMW M5 in a quarter-mile drag race. Bruno Senna takes the new Mercedes M-Class for a test drive.

Emma Parker Bowles tries her hand at motocross. A little old lady and a Formula One driver do battle on the racetrack. Who will prevail?

Boyzone's Shane Lynch attempts to knock Major James Hewitt off the top of the Cat & Mouse leaderboard. Emma Parker Bowles gets a crash course in dealing with road rage.