Originally Posted by Robin_NL
TBH you can and may not compare a good awd system(Nissan GTR) to what a WRC rallycar has. Let alone the Quattro(semi Haldex) and X Drive systems.
The Audi AWD system is only Haldex based on the cars with transversely mounted engine, like the A3/S3/TT. The real quattro system has TorSen differentials.