2019 Mercedes AMG GT 4-Door vs. 2019 BMW M5

Detailed Review, Specifications & Comparison

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Over 200 people are killed each year when backed over by motor vehicles. The AMG GT 4-Door has a standard Rear Cross Traffic Brake that use rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The M5 doesn’t offer backup collision prevention brakes.

Both the AMG GT 4-Door and the M5 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, blind spot warning systems, rearview cameras, driver alert monitors, available lane departure warning systems and around view monitors.


There are over 10 percent more Mercedes dealers than there are BMW dealers, which makes it easier should you ever need service under the AMG GT 4-Door’s warranty.


J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than BMW vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 8 more problems per 100 vehicles, BMW is ranked 20th.


The AMG GT 63 S’ 4.0 turbo V8 produces 13 more horsepower (630 vs. 617) and 111 lbs.-ft. more torque (664 vs. 553) than the M5 Competition’s optional 4.4 turbo V8.

Fuel Economy and Range

On the EPA test cycle the AMG GT 53 gets better fuel mileage than the M5 (19 city/24 hwy vs. 15 city/21 hwy).

An engine control system that can shut down half of the engine’s cylinders helps improve the AMG GT 4-Door 63/63 S’ fuel efficiency. The M5 doesn’t offer a system that can shut down part of the engine.


A nine-speed automatic is available on the Mercedes AMG GT 4-Door, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the M5.

Brakes and Stopping

For better stopping power the AMG GT 4-Door’s optional front brake rotors are larger than those on the M5:



Front Rotors

15.8 inches

15.6 inches

Tires and Wheels

For better ride, handling and brake cooling the AMG GT 4-Door offers optional 21-inch wheels. The M5’s largest wheels are only 20-inches.

Suspension and Handling

The AMG GT 53 has a standard automatic load leveling suspension to keep ride height level with a heavy load or when towing. The M5 doesn’t offer a load leveling suspension.

The AMG GT 4-Door’s drift compensation steering can automatically compensate for road conditions that would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The M5 doesn’t offer drift compensation steering.

For better handling and stability, the average track (width between the wheels) on the AMG GT 4-Door is 1.8 inches wider in the front and 2.6 inches wider in the rear than the track on the M5.

Cargo Capacity

The AMG GT 4-Door has a larger trunk than the 6 Series Gran Coupe with its rear seat up (12.7 vs. 12 cubic feet).

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Mercedes service is better than BMW. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 23% lower rating, BMW is ranked 11th.


The AMG GT 4-Door has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The M5 doesn’t offer a remote starting system.

Heated windshield washer nozzles are standard on the AMG GT 4-Door to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The M5 doesn’t offer heated windshield washer nozzles.

The AMG GT 4-Door offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The M5 doesn’t offer a house-current electrical outlet.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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