Mercedes performance division AMG has just announced its new biturbo V8 engine, making 536-hp and 590 ft-lbs of torque (563-hp and 664 ft-lbs of torque with the AMG Performance Package).

The PRO in GT 63 PRO 4MATIC+ stands for go-faster upgrades that help this fellow lap any given racetrack in less time than the standard 63 ...

But it’s the Nurburgring, in the Mercedes-AMG ... the UK the changes the GT R bring to the mix are very obvious. Not least the sound, that charismatic 4.0-litre V8 biturbo wailing with more ...

The Mercedes-AMG GT R is anexhilarating sports car, powered by a formidable 4.0-liter twin-turbocharged V8 driving the rear wheels. Messing with the traction control system while driving in wet ...

Power from the 4.0-litre twin-turbo V8 rises from 503bhp in ... straight line performance, as Mercedes–AMG engineers have been rigorously testing the GT R at the Nurburgring to make it much ...