In this instalment of Chris Harris on Cars, Harris explores the new 2012 Audi RS4 and to do so he decides to look at where the vehicle came from.
In this 17 minutes video Chris Harris drives the new Audi RS4, the original B5 RS4 from 2000, the amazing B7 and then matches the latest version against the 6.2 litre Mercedes C63.
Watch the video below:
