Originally Posted by Tangsta
Been there, done that.
Handles great. Although I do notice some slippage before dsc kicks in and it starts transferring power. I can see why people would say that xDrive feels more "reactive" than Q5 quattro, but I wouldn't give up rwd bias for fwd.
That said, with my Dunlop Wintersports, DSC almost never comes on... unless I mash the pedal on ice just to see it work.
The Q5 also has a RWD bias (40/60) just like the X3. It debuted for 2009 with the same updated version of Quattro that was introduced in the B8 A4.