Porsche released official details for the new Porsche 911 GT3 Cup 2013. The 911 GT3 Cup will be run exclusively in the Porsche Mobil 1 Supercup in 2013. The car for one-make racing made its debut on the occasion of the end of motorsport season “Night of Champions” celebration at the R&D Centre in Weissach. The 3.8L six-cylinder flat engine generates 460 hp at 7,500 rpm, surpassing the predecessor by 10 hp.
Porsche 911 GT3 Cup 2013 Review