
The GT63 Pro model offers a more track-focused experience with increased power, improved aerodynamics, and enhanced cooling. Key features include a 4.0-liter twin-turbo V-8 engine producing 603 horsepower and 627 lb-ft of torque, double high-temperature radiators, standard carbon-ceramic brakes, and 21-inch forged alloy wheels with Michelin Pilot Sport 5 tires. The GT63 Pro also has a redesigned front fascia with carbon fiber air deflectors and a fixed rear wing.

The 2025 Mercedes-AMG GT63 Pro has 603 horsepower, which is 26 more horsepower than the standard AMG GT 63. This increase in power comes from the retuned 4.0-liter twin-turbo V8 engine.

The 0-60 mph acceleration time for the GT63 Pro is 3.1 seconds. This is achieved by the 4.0-liter twin-turbo V-8 engine, which produces 603 horsepower and 627 lb-ft of torque. The improved aerodynamics and cooling system also contribute to the car's impressive performance on the track.