TheGT3 RS is powered by a 3.8 liter flat-six engine that delivers a total of 450 HP and 317 lb.-ft of torque, this means specific output of more than 118 bhp per litre from the six-cylinder, an extremely high figure for natural-aspiration technology. The can can sprint from 0 to 60 mph in seconds and can hit a top speed of 193 mph. Of course performance comes with a price: $133,750.
The Cup car carries the same engine setup, but weighs 170 kilos less than the RS road going car. It features a front spoiler lip that is 15 millimeters lower than the GT3 RS and a rear wing that is now 1.70 meters, up from the original 1.46 meters.
gallery: Porsche 911 GT3 Cup
gallery: Porsche 911 GT3 RS