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The Mercedes-AMG GT 4-Door Coupé is an
executive car Executive car is a British term for a large car which is equivalent to the European E-segment and American full-size classifications. Executive cars are larger than compact executive cars (and the non-luxury equivalent mid-size cars), and small ...
(E-segment) introduced in 2018 by
Mercedes-AMG Mercedes-AMG GmbH, commonly known as AMG, is the high-performance subsidiary of Mercedes-Benz AG. AMG independently hires engineers and contracts with manufacturers to customize Mercedes-Benz AMG vehicles. The company has its headquarters in A ...
marketed as a five-door variant of the AMG GT two-door sports car. Despite the name and style, the car is not based on the sports car, but rather on the E-Class and
CLS-Class The Mercedes-Benz CLS (initially called the CLS-Class) is a series of executive cars produced by Mercedes-Benz since 2004. The original model was a four-door fastback Sedan (car), sedan based on the Mercedes-Benz E-Class, E-Class platform, market ...
.


Specifications

The design of the GT 4-Door Coupé was mainly influenced by the Mercedes-Benz AMG GT Concept introduced a few years before series production. The AMG GT 4-Door Coupé uses a front-engine layout with rear-wheel-drive or 4MATIC+ fully variable
all-wheel-drive An all-wheel drive vehicle (AWD vehicle) is one with a powertrain capable of providing power to all its wheels, whether full-time or on-demand. The most common forms of all-wheel drive are: ;1x1 : All unicycles Reflecting one axle with one w ...
(rear-biased), and is available with either a 3.0 L '' M256''
turbo In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...
/
supercharged In an internal combustion engine, a supercharger compresses the intake gas, forcing more air into the engine in order to produce more power for a given displacement. The current categorisation is that a supercharger is a form of forced induct ...
inline-six engine or a 4.0 L '' M177'' twin-turbocharged
V8 engine A V8 engine is an eight-cylinder piston engine in which two banks of four cylinders share a common crankshaft and are arranged in a V configuration. The first V8 engine was produced by the French Antoinette company in 1904, developed and us ...
. The inline-six engine features a conventional
turbocharger In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...
as well as a mild hybrid system that Mercedes-Benz calls "''EQ Boost''", which uses an electrically driven supercharger and a 48 volt
electric motor An electric motor is an Electric machine, electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a Electromagneti ...
that when combined, produce an extra and of torque in addition to the petrol engine when it is not powering the electrical system. This system traces its roots back to the Mercedes CLS53. The car utilises the rear anti-roll bar to increase chassis stiffness, as well as active aero, including an electronically adjustable rear spoiler and electronically operated front louvers in the front grille, that can open and close to manage airflow through the radiator from the AMG GT R flagship sports car.


Variants


Mercedes-AMG GT 43 4MATIC+ & Mercedes-AMG GT 50 4MATIC+

The GT 43 and the GT 50 are the entry-level variants of the AMG GT 4-Door Coupé and both feature the same M256 3.0L Twincharged inline-six and the 4MATIC+ AWD system. The engine produces and of torque and can accelerate from in 4.9 seconds, with a claimed top speed of . The GT43 and GT50 are the same car (GT43 is the worldwide version, GT50 is the China only version)


Mercedes-AMG GT 53 4MATIC+

The GT 53 is the more powerful version of the GT 43. It features the same 3.0L turbo/supercharged inline-six, but with higher outputs. The engine produces and of torque. The starter-generator and electrically driven supercharger called EQ boost supplements the engine temporarily with and of torque while under full acceleration. It can accelerate from in 4.5 seconds, along with attaining a top speed of as tested by the manufacturer. The suspension uses steel springs and adaptive dampers and the gearbox is a 9-speed unit that uses a conventional torque converter. The GT53 can be optioned with the more aggressive "Aero Package". this package includes a more pronounced front splitter, with lager air vents to allow for more efficient cooling, combined with a deeper and larger rear diffusor and both fixed or movable (electronically) rear wing.


Mercedes-AMG GT 63 4MATIC+

The GT 63 is a high performance, better equipped variant of the GT 4-Door and features the AMG M177 4.0L twin-turbocharged V8 engine, which produces and . It has a claimed acceleration time of 3.4 seconds and a top speed of as tested by the manufacturer. The GT 63 also has an optional selectable "Drift Mode" which directs power solely to the rear wheels. The car comes standard with an electronically controlled limited-slip rear differential and rear-wheel steering, and features an MCT gearbox with a wet clutch to handle the extra power. The GT 63 uses AMG's multi-chamber air suspension for a sportier, more adaptive ride and has cylinder deactivation mode for increased efficiency.


Mercedes-AMG GT 63 S 4MATIC+

The GT 63S is the top-of-the-line variant of the GT 4-Door and features the same 4.0L M177 twin-turbocharged V8 engine as in the GT 63, but receives further tuning to produce and of torque. The GT 63S will reportedly accelerate from in 3.2 seconds and attain a top speed of as tested by the manufacturer. Auto Bild tested in 3.0 seconds, in 6.6 seconds and in 10.2 seconds. Additionally, all of the equipment and features from the GT 63, as well as the selectable "Drift Mode", which directs power solely to the rear wheels, comes as standard on the GT 63S as well.


Mercedes-AMG GT 63 S E-Performance

The GT 63 S E-Performance is an upcoming top-of-the-line, flagship variant of the GT 4-Door. It will be the first car to be launched under Mercedes’ new E Performance brand. It features the same 4.0L M177 Biturbo V8 engine, with the same electric motor powertrain as the Mercedes-Benz AMG GT Concept. The engine alone produces from 5,500 to 6,500 rpm, and from 2,500 to 4,500 rpm. It is supplemented by a rear-mounted electric motor that spins up a maximum of 204 PS for 10-second blasts and can continually provide 95 PS, and of torque. Its combined power output is , with of torque, making it the most powerful production AMG model ever made. The sprint time can be achieved in less than three seconds. The powertrain will be named ‘V8 Biturbo E-Performance’. As for the PHEV system, the 6.1 kWh battery pack with the electric motor can commit to a pure EV range of 12 km at speeds of up to .https://paultan.org/2021/09/02/mercedes-amg-gt63s-e-performance-revealed-first-amg-phev-with-843-ps-1470-nm-12-km-ev-range/


References

{{Mercedes-Benz timeline 2020 to date GT 4-Door Coupé Cars introduced in 2018 2020s cars Hatchbacks All-wheel-drive vehicles Vehicles with four-wheel steering Full-size vehicles