Anyone following DRIVE’s Chris Harris on Twitter, will know that he recently bought a battered Audi S4 Avant from a family member – for a bargain price. The channel’s latest video sees his new acquisition go head-to-head with Ingolstadt’s brand new RS 4 model.
Clearly, with a supercharged 248 kW (333 hp) 3.0-litre V6 lurking beneath the hood of the S4, it was never going to give the 331 kW (450 hp) 4.2 FSI-engined RS 4 much of a fight. However, after a little software tweak by the guys from Revo Technik, the tatty clanger now produces around 298 kW (400 hp). Let’s see how it gets on…