Overview:Jason Plato races the Maserati Gran Turismo with olympic cyclist Bradley Wiggins, Tiff Needell pits the Renault Megane R26.R against the Caterham CDX sports car and Vicki Butler-Henderson assesses the speed of the BMW 330d. Tim Shaw gives advice on protecting vehicles from theft, Jonny Smith reviews the new Ford Ka and Tom Ford tests the storage space in the Fiat Qubo with the help of a Guns 'N' Roses tribute band.