Watch as Christian Gebhardt from sport auto pushes the McLaren 620R around Nürburgring. The McLaren 620R features M838TE 3.8-liter twin-turbocharged V8 that found in the GT4 racing car. That engine makes a monstrous 612 hp and 457 lb-ft of torque. That power will propel the car from a standstill to 62 mph in just 2.9 seconds. The vehicle can do 124 mph in just 8.1 seconds. It tops out at 200 mph.