Overview: What better way to drive old racing cars than on the limit at Silverstone? William Woollard meets enthusiasts of the Vintage Sports Car Club who do just that. Four-wheel drive has enormous benefits for road cars. Chris Goffey tests the latest Cavalier 4x4 against newcomers from Citroën and Peugeot. Tony Mason reports from the Radio Times Rally Quest finals, and Tiff Needell performs stunts with some of the best drivers.