Ross Noble and Charlie Boorman join Tiff and Jason to play with some offroad toys, Jason drives the Porsche 911 GT3 RS, Vicky puts Mercedes' "Air Cap" to the test on an E-class convertible and Jonny drives the Audi A8.
| Name | Type | Role | |
|---|---|---|---|
| Ross Noble | Guest Star | ||
| Charlie Boorman | Guest Star |