But Audi remains dedicated to the wagon cause, and has produced a very special edition of its go fast RS6 model, the GT Avant. Based mostly on the RS6 Avant Performance, which sees power upped ...

There’s a proper motor under the bonnet of this RS6 – a four-litre V8 with a pair of turbochargers strapped to it, thumping out 592bhp and 590lb ft of torque. That’s about 150 horses and ...