Even though the RS6’s big, 4-litre twin-turbo V8-powered ... at the same speed as every hot hatch or mid-range saloon on the autobahn. These monster outputs are achieved by adding Abt ...

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 ...