The 2016 Porsche 911 GT3 RS has a 3.8 with 500 horsepower and 354 lb-ft of torque, a lighter body and a top speed of 198 mph. The 2016 Ruf RGT has a 4.2 with 525 horsepower and 369 lb-ft, a lighter body, and a top speed of 200 mph. Plus a manual, and the widest rear tires Michelin makes.
Apart from the Porsche GT3 RS only available with a PDK automatic while the Ruf is manual-only, the other significant difference are the engines. The 991 uses a direct-injection mill with lots of computers and less mechanical connections, while Ruf bored out the old one from the 997 connected to a six-speed stick … More