Highlights Biturbo 2.7-litre V6 Iconic Quattro AWD system Extensive service record New stainless steel exhaust and Bilstein coilovers 6-speed manual transmission Overview Few things in life are as satisfying as a fast estate.

And when it comes to weapons-grade fast estate lunacy, Audi are definitely the ones to beat.

Heck, they pretty much defined the genre with the RS2 in the mid-90s, a dashing blue collaboration with Porsche, fine examples of which now change hands for “if you have to ask you can’t afford it” money.

Of course, having nailed the landing on their first try, the RS2’s success did raise the spectre of the awkward second album.

How exactly does one follow on from a legend? Well, asking the motorsport and engine wizards from Cosworth to liberally spatter their expertise all over the car would be a wonderful way to start.

Which is precisely what Audi did.

Cosworth took the already punchy biturbo V6 from the S4 and set to work.

Inlet manifolds were refined, cylinder h...