Per Motor Trend:
The GT2 is, quite simply, the finest road-going Porsche of all time. Yes, better even than the $450,000, V-10-powered Carrera GT exoticar. Really.
0-60 mph
Porsche 911 GT2 3.4 sec
Chevrolet Corvette Z06 3.5 sec
Dodge Viper SRT-10 3.7 sec
Ferrari F430 F1 3.7 sec
Lamborghini Gallardo 3.8 sec
Quarter mile
Porsche 911 GT2 11.4 sec @ 127.9 mph
Chevrolet Corvette Z06 11.5 sec @ 127.1 mph
Dodge Viper SRT-10 11.7 sec @ 124.4 mph
Ferrari F430 F1 11.7 sec @ 122.8 mph
Lamborghini Gallardo 12.1 sec @ 116.3 mph
Braking, 60-0 mph
Porsche 911 GT2 98 feet
Ferrari F430 F1 100 feet
Dodge Viper SRT-10 102 feet
Chevrolet Corvette Z06 104 feet
Lamborghini Gallardo 111 feet
Lateral Acceleration
Porsche 911 GT2 1.10 g
Chevrolet Corvette Z06 1.05 g
Dodge Viper SRT-10 0.99 g
Lamborghini Gallardo 0.92 g
Ferrari F430 F1 NA
http://www.motortrend.com/roadtests/coupes/112_0805_2008_porsche_911_GT2_first_test/index.html
motortrend didnt add the GT-R because they have yet to drive a USDM version so ill just cover my ass before the wolves come in