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 4×4 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.