Ahead of it's appearance at the show Porsche have sent out these hi-res images, as well as the video at the bottom of the article, which show in fantastic detail the inner workings of the Carrera 4's all wheel drive system.
The Porsche Carrera 4 has a 3.4 litre flat six engine with 350bhp and 0-60mph in 4.5 seconds. The Carrera 4s has a 3.8 litre engine with 400bhp and 0-60mph in 3.8 seconds. Both versions are mated to a 7 speed manual gearbox or optional 7 speed DPK semi-auto.