Road and Track just ran the Nissan GT-R, Porsche Turbo and a Corvette Z06 around the track. The results are surprising to me: The GT-R absolutely spanks the other two. Pretty amazing...
Lap Times:
Nissan GT-R 1:56.9
Porsche Turbo 2:02.1
Corvette Z06 2:02.2
Here is a link to the PDF:
http://www.roadandtrack.com/assets/d...ct_OnTrack.pdf