
Audi RS4Audi is celebrating 25 years of the quattro 4WD system and, to mark this, are launching the new RS4 at Geneva. First used on the RS2 Avant in 1993, the RS badge is the ultimate expression of Audi values and the models have always shown a dedicated (and expensive) approach to design modifications to achieve their goals. The RS4 continues this philosophy with an extensively modified 4.2 litre V8 motor giving a massive 420ps output. Other modifications...