Why Ayrton Senna was the Best - S15.E5

Richard takes the Volkswagen Touareg 4x4 to Sweden for a race against some snowmobilers. James travels to Germany where he attempts to break his personal speed record in a brand-new version of the Bugatti Veyron. Jeremy Clarkson looks at the reasons why Ayrton Senna is considered the best driver of his generation.