This article is from the VW Performance FAQ, by with numerous contributions by Jan Vandenbrande others.
A:Yes, all VWs do this. [From drbob27@aol.com (Drbob27)]
The reason VWs do this is that VW minimizes front wheel
drive understeer by making the rear roll stiffness much
greater than the front. When the car rolls, the back is
so resistant it picks up the inside rear. The sway bars
(actually the ratio of front/rear roll stiffness from
bars and springs) CAUSES the wheel to lift. Porsche 911s
used to lift the inside front for the same reason
(reversed). It's one of the reasons people hold VWs in
high esteem as responsive, while similar cars are cited
for understeer. I used to race a Scirocco Showroom Stock.
In a corner, the mark of a truly excellent turn was to
pick up the inside rear smoothly to 4-6 inches and hold
it there steadily through the turn. Less competence
showed if the wheel bobbed up and down.
 
Continue to: