Tiff heads to Italy to drive the latest version of the Maserati Quattroporte, the Sport GT which features a much better gearbox.Jason gives the girls of the pop group Girls Aloud a lesson in driving supercars on a racing circuit which ends in a crash (who woulda guessed?).Jon Bentley investigates how young drivers can get cheaper insurance rates.Fifth Gear Shootout: Vicki races the BMW M5 against the BMW M6.Tom participates in a world record attempt for the most number of cars doing donuts simultaneously.