Horsepower

Torque

AMG GT 53 3.0 turbo 6 cyl. hybrid

429 HP

384 lbs.-ft.

AMG GT 63 4.0 turbo V8

577 HP

590 lbs.-ft.

AMG GT 63 S 4.0 turbo V8

630 HP

664 lbs.-ft.

Quattroporte S 3.0 turbo V6

424 HP

406 lbs.-ft.

Quattroporte GTS 3.8 turbo V8

523 HP

524 lbs.-ft.

Fuel Economy and Range

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On the EPA test cycle the AMG GT 53 gets better fuel mileage than the Quattroporte S Q4 (19 city/24 hwy vs. 16 city/23 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 Quattroporte doesn’t offer a system that can shut down part of the engine.

Regenerative brakes improve the AMG GT 4-Door 53’s fuel efficiency by converting inertia back into energy instead of wasting it. The Quattroporte doesn’t offer a regenerative braking system.

Environmental Friendliness

? 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/10

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes AMG GT 4-Door higher (5 to 6 out of 10) than the Maserati Quattroporte (1). This means the AMG GT 4-Door produces up to 45.9 pounds less smog-producing pollutants than the Quattroporte every 15,000 miles.

Transmission

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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 Quattroporte.

The AMG GT 4-Door’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The Quattroporte doesn’t offer launch control.

Brakes and Stopping

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

AMG GT 53

AMG GT 63

AMG GT opt.

Quattroporte S

Quattroporte GTS

Front Rotors

14.2 inches

15.4 inches

15.8 inches

14.2 inches

15 inches

Rear Rotors

14.2 inches

14.2 inches

14.2 inches

13.8 inches

13.6 inches

The AMG GT 4-Door offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The Quattroporte doesn’t offer ceramic brake rotors.

Tires and Wheels

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For better traction, the AMG GT 4-Door has larger standard tires than the Quattroporte (F:255/45R19 & R:285/40R19 vs. F:245/45R19 & R:275/40R19). The AMG GT 63 S’ tires are larger than the largest tires available on the Quattroporte (F:265/40R20 & R:295/35R20 vs. F:245/40R20 & R:285/35R20).

Suspension and Handling

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

For better handling and stability, the average track (width between the wheels) on the AMG GT 4-Door is 1.5 inches wider in the front and .6 inches wider in the rear than the track on the Quattroporte.

Chassis

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The AMG GT 4-Door is 8 inches shorter than the Quattroporte, making the AMG GT 4-Door easier to handle, maneuver and park in tight spaces.

Cargo Capacity

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The AMG GT 4-Door’s optional rear seats fold to accommodate long and bulky cargo. The Quattroporte doesn’t offer folding rear seats.

Ergonomics

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Unlike the driver-only memory system in the Quattroporte, the AMG GT 4-Door has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The AMG GT 4-Door offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Quattroporte doesn’t offer a heads-up display.

If the windows are left open on the AMG GT 4-Door the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Quattroporte can only operate the windows from inside the vehicle, with the ignition on.

The AMG GT 4-Door’s Active Parking Assist can parallel park by itself, with the driver only controlling speed with the brake pedal. The Quattroporte doesn’t offer an automated parking system.

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