Compare the Volkswagen-VW Touareg R50 4.9 V10 - [2008] vs Jaguar XJ V6 - [2012]. Find out which car is the fastest, most powerful, lightest or has the biggest engine in our top trumps style comparison page. Find out which car has the highest top speed or is the fastest accelerating, is it the Volkswagen-VW Touareg R50 4.9 V10 or the Jaguar XJ V6. We'll leave it up to you to decide which is your favourite.