Originally posted by "Someone"
Originally posted by audi s4
The A platform cars use Haldex which is a hydraulic clutch based system. Haldex cars are FWD biased.
http://www.haldex-traction.com/
The B platform cars and all other Audis use TorSen differentials which is a series of worm gears.
http://www.torsen.com/
Ahh much better way of putting it. Thanks.