Think of the Pro as a track-focused upgrade for a car we already like on the street. With more power and subtle dynamic upgrades, the GT63 Pro aims to chip away at the Porsche 911

L ike the Mercedes-AMG GT R Pro when it debuted in 2019, the new Mercedes-AMG GT63 Pro 4Matic+ is the most potent track-focused AMG GT available. But after some laps at the Ascari

Our first drive earlier this year revealed that the move to a new 2+2 platform has turned it into a genuine Porsche 911 rival, despite being related to the less-than-dazzling SL cabriolet. We’ve subsequently lined it up against a 911 Turbo S (issue 324),

We’re full throttle through a damp patch, but the GT63 doesn’t seem bothered. Over the next laps both Peter in the car ahead and the GT 63 encourage me to push on. Braking later or less feels sensible, and getting on the power earlier also feels justified.

The 2025 Mercedes-AMG GT63 Pro features a twin-turbocharged 4.0-liter V-8, here making 603 horsepower and 627 lb-ft of torque. The engine pairs with a nine-speed automatic transmission and 4Matic+ all-wheel drive. The Mercedes-AMG GT63 Pro also comes with active roll stabilization and carbon-ceramic brakes.