23x4 - Top Gear

William Woollard reports from the Ultimate Truck Show at Stoneleigh in Warwickshire on the biggest, fastest and safest trucks on the scene. Steve Webster has been world motorcycle sidecar champion for the last three years. Tiff Needell takes the place of his regular passenger around the challenging Cadwell Park circuit in Lincolnshire to try out one of the most dangerous and spectacular jobs in motor sport. For the disabled, mobility itself is a challenge. Simon Barnes of the One in Four programme investigates how to go about learning to drive and buying a car if you are confined to a wheelchair. Plus Jeremy Clarkson examines the return of the car with a boot, with three new models which started life as hatchbacks.