New Cars March 18, 2026 10 min read

Mercedes-AMG GT 63 Coupé: The Return of the Front-Engine Grand Tourer

AMG's new flagship blends 612 hp V8 muscle with genuine long-distance refinement

James Harrington

Editor-in-Chief

Mercedes-AMG GT 63 Coupé: The Return of the Front-Engine Grand Tourer

There is a school of thought within the automotive industry that the front-engine, rear-drive grand tourer is an anachronism—a format rendered obsolete by mid-engine dynamics and electric powertrains. Mercedes-AMG disagrees, and the GT 63 Coupé is their definitive counter-argument.

At its heart sits AMG's hand-built M178 4.0-litre twin-turbo V8, producing 612 bhp and 664 lb-ft of torque. Power reaches all four wheels through a 9-speed MCT (Multi-Clutch Technology) transmission with a wet-start clutch replacing the traditional torque converter. The 0-62 mph sprint takes 3.2 seconds. Top speed is electronically limited to 196 mph. These are hypercar numbers from a car that could comfortably transport you from London to Monaco in a single sitting.

Design Philosophy

The GT 63 is long, low, and wide—its proportions dictated by the front-mid-mounted engine sitting entirely behind the front axle line and the transaxle-mounted gearbox at the rear. This layout yields a 47:53 front-to-rear weight distribution that is optimal for balanced handling. The active rear-axle steering sharpens turn-in at low speeds and stabilises the car at the autobahn velocities it was designed to sustain.

Inside, the cabin is a masterclass in restrained luxury. Nappa leather, open-pore wood, and brushed aluminium create an atmosphere that is unmistakably Mercedes but distinctly sporting. The AMG-specific steering wheel—flat-bottomed, thick-rimmed, with integrated drive mode rotary dials—is among the finest in the industry.

On the Road

At a cruise, the GT 63 is serene. The V8 ticks over at barely 1,500 rpm at motorway speeds, the cabin insulated from wind and road noise by acoustic glass and extensive sound deadening. The air suspension soaks up surface imperfections with the assurance of an S-Class. You could drive this car for 600 miles and arrive feeling refreshed.

But select Race mode, and the character transformation is complete. The exhaust valves open, revealing a deep, mechanical bark that hardens into a full-throated roar above 5,000 rpm. The suspension drops and stiffens. The throttle response sharpens to a knife-edge. And the rear axle, which has been imperceptibly steering you through corners with precision, now allows the driver to adjust the car's attitude with throttle alone—a talent that rewards skill and experience.

The Mercedes-AMG GT 63 Coupé is a car that knows exactly what it is. It is not an electric vehicle. It is not a hybrid. It is a twin-turbo V8 grand tourer built for people who love driving, who appreciate engineering, and who understand that some experiences cannot be replicated by software and batteries. In an industry obsessed with the future, it is a glorious celebration of the present.

James Harrington

Editor-in-Chief

Former motorsport engineer with 22 years of experience covering Formula 1 and endurance racing. James has reported from every F1 circuit on the calendar and holds a mechanical engineering degree from Imperial College London.

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