Mercedes-AMG is known for its performance sedans like the GT63 SE Performance which comes with a complex 4.0-litre V8 biturbo hybrid powertrain. Now, the company has come up with its most powerful vehicle yet, but it took a completely different path to get there. The new GT 4-door coupe is a 1,153 hp, all-electric beast with an all-new lean and light powertrain.
To create a vehicle that could compete with Porsche’s electric Taycan, Mercedes-AMG came up with the 800-volt AMG.EA platform. It uses three new “axial-flux” motors that combine high power with low weight and size. The front motor is only 3.5 inches thick, but redlines at more than 15,000 rpm and only comes on for added performance or regenerative braking. The two rear motors (each about 3.2 inches high) are mated to a single-speed transmission and can reach speeds of just over 13,000 rpm. The entire powertrain weighs just 309 pounds.
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However, those little motors combined with a 106kWh battery can pump out quite a bit of power. The GT55 version produces a maximum of 805 hp and 1,328 lb-ft of torque, while the GT63 version produces 1,153 hp and 1,475 lb-ft of torque. This will propel the GT63 from 0 to 60 mph in 2.0 seconds, besting Porsche’s 940 hp Taycan Turbo S by 0.3 seconds. If you’re keen on the throaty ICE engine sound, the GT models can artificially simulate the AMG V8, including gear changes.
The GT is a new type of battery for 4-door users, developed in collaboration with the company’s Formula 1 program. Mercedes-AMG said it uses very tall (four+ inches) cylindrical cells that allow for longer life and faster charging performance, as well as a higher energy density of 298Wh/kg. It also has a non-conductive oil cooling system designed to keep the cells at the same temperature.
Powered by up to 800 volts and 800 amps, the GT 4-Door can charge at more than 600 kilowatts, which will take it from 10 to 80 percent full in 11 minutes. Mercedes-AMG says the GT55 and GT63 models (which both use the same capacity battery) are rated at 370 to 470 miles on Europe’s WLTP cycle, which equates to more than 300 miles of EPA range.
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To accommodate all that horsepower, the GT 4-door has multilink front and rear suspension, with the standard air suspension supported by electronic dampers and AMG’s Active Ride Control. For everyday driving, the car will be slowed primarily by regenerative braking, but during more sporty maneuvers, the 5,400-pound vehicle can be stopped with carbon-ceramic disc brakes at the front and steel rotor discs at the rear.
Outside, the GT 4-door has a shapely aerodynamic design with a 0.22 drag coefficient, with bulging fenders, a panoramic glass roof and handsome stripes on the hood and side. It looks and feels quite long, five inches more than the Taycan. At the front are running lights in the shape of Mercedes’ three-pointed star, as well as a large grille that is mostly cosmetic but allows air to enter below, controlled by louvers to cool the battery. The rear taillights (all six of them) also show the Mercedes logo, perhaps not at the viewer. extremely Sure about the brand.
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The sporty interior features bolstered seats and a large central screen as well as a dedicated front passenger display. The length, as well as the battery configuration, allows ample passenger space. The driver can choose from no less than seven drive modes, nine traction control settings and a warm-up feature alerts the driver when the tires and motor are at the ideal temperature. There’s also a panel that provides statistics on your racetrack performance.
The 2027 Mercedes-AMG GT55 4-door coupe will arrive later this year, while a high-performance GT63 version will go on sale in 2027. Prices haven’t been revealed, but Porsche’s Taycan Turbo S could reach more than $200,000. Since the GT63 is likely to perform better than this, you can guess that it will be priced in that neighborhood as well.
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