G-Power Tunes Mercedes-AMG’s Menacing GT R Up To 789HP

If you’ve taken a gander at Mercedes-AMG’s GT R, you’re well-informed of the fact that it’s one of the most powerful vehicles in Europe. However, if the factory platform’s half-thousand horsepower don’t swoon you, the German-based tuning company, G-Power, has just what you need.

It’s not a simple feat to redefine the European “muscle car,” but the minds at G-Power have devised a way to elaborate on the already-monstrous GT R. Thanks to the company’s Performance Software V4 electronics tune, modified turbochargers, CNC-optimized housings, and weight-optimized forged pistons, the vehicle has finally broken into the realm of 700-horsepower. AMG’s M178 motor stands at the center of it all — a twin-turbocharged 4.0-liter V8 that emits 789 horsepower and 627 lb-ft of torque — around 200 more than the all-original platform. In order to sedate the incredible 111 lb-ft increase in torsional power, the company has opted to reinforce the car’s seven-speed dual-clutch automatic transmission, giving drivers peace-of-mind when tearing up the blacktop in Mercedes’ new dream machine.

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