Jeremy Clarkson takes the unconventional Renault Vel Satis to what he considers its natural habitat — Swindon — before unleashing his own car on the test track and introducing the now-legendary Cool Wall. Richard Hammond gets behind the wheel of the new BMW Z4, while Jason Dawe assesses a used Volkswagen Golf GTI and oversees the return of the grannies, this time to see whether they can master the art of the handbrake turn. Tara Palmer-Tomkinson is the Star in a Reasonably Priced Car.