Overview: Stuntman Steve Truglia tries to beat a world record by driving round the biggest loop-the-loop ever constructed. Retired Formula One competitor David Coulthard competes against Tiff Needell in an extreme van-driving challenge and Tim Shaw discovers whether buying an old banger results in cheap motoring. Tom Ford examines the Citroen C3 Picasso's suitability for a modern family man and Jonny Smith takes the Audi R8 V10 out on Spanish roads.