In latest issue of Auto Bild Sportscar Edition Sascha Bert drove Audi R8 5.2 FSI, Nissan GT-R and 997 Turbo on wet Hockenheim GP track.

Outcome? GT-R with Dunlops only 0.35s faster then R8 5.2 FSI(normal P Zero), 997 Turbo over 2s slower.

Acceleration wise? On wet track again 0-200km/h:

R8 5.2 FSI 13.4s

997 Turbo 13.3s

GT-R 13.8s