Compare the Volkswagen-VW Touareg R50 4.9 V10 - [2008] vs Citroen AX Sport - [1987]. 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 Citroen AX Sport. We'll leave it up to you to decide which is your favourite.