It really does look fantastic. I see them all the time where I live. Considering the fact that the new Carrera S does 7:37.9 at Nurburgring and we are told the F8x is about 10 seconds quicker than the E9x which did the lap in 8:05. Thats the best answer you're going to get for now I think
991 Carrera S
http://fastestlaps.com/cars/porsche_991_carrera_s.html
E9x
http://fastestlaps.com/cars/bmw_m3_e92.html
F8x
http://f80.bimmerpost.com/forums/sho...d.php?t=934947