2020 Mercedes AMG GT 4-Door vs. 2020 Porsche Panamera

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 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 2020/02/21

The AMG GT 4-Door’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Panamera doesn’t offer pre-crash pretensioners.

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 Panamera doesn’t offer backup collision prevention brakes.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the AMG GT 4-Door. But it costs extra on the Panamera.

To help make backing safer, the AMG GT 4-Door’s cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Panamera doesn’t offer a cross-path warning system.

The AMG GT 4-Door’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Panamera doesn’t offer a driver alert monitor.

Both the AMG GT 4-Door and the Panamera have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available lane departure warning systems and around view monitors.

Warranty

© 1999 - 2020 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 2020/02/21

There are over 2 times as many Mercedes dealers as there are Porsche dealers, which makes it much easier should you ever need service under the AMG GT 4-Door’s warranty.

Reliability

© 1999 - 2020 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 2020/02/21

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 Porsche vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 2 more problems per 100 vehicles, Porsche is ranked 15th.

Engine

© 1999 - 2020 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 2020/02/21

The AMG GT 4-Door has more powerful engines than the Panamera:

Horsepower

Torque

AMG GT 53 3.0 turbo 6-cylinder 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.

Panamera 3.0 turbo V6

330 HP

330 lbs.-ft.

Panamera 4S 2.9 turbo V6

440 HP

405 lbs.-ft.

Panamera GTS 4.0 turbo V8

453 HP

457 lbs.-ft.

Panamera 4 E-Hybrid 2.9 turbo V6 hybrid

457 HP

516 lbs.-ft.

Panamera Turbo 4.0 turbo V8

550 HP

567 lbs.-ft.

As tested in Car and Driver the AMG GT 53 is faster than the Porsche Panamera (base engine):

AMG GT 4-Door

Panamera

Zero to 60 MPH

4.1 sec

4.7 sec

Zero to 100 MPH

10.4 sec

11.6 sec

5 to 60 MPH Rolling Start

5 sec

5.5 sec

Quarter Mile

12.8 sec

13.3 sec

Speed in 1/4 Mile

109 MPH

107 MPH

Environmental Friendliness

© 1999 - 2020 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 2020/02/21

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 Porsche Panamera (3 to 5). This means the AMG GT 4-Door produces up to 23.4 pounds less smog-producing pollutants than the Panamera 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 Panamera.

Brakes and Stopping

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

AMG GT

Panamera

Front Rotors

14.2 inches

13.8 inches

Rear Rotors

14.2 inches

13 inches

In an emergency stopping situation, many drivers don’t press the brakes with enough force to stop the vehicle in the shortest distance. The AMG GT 4-Door has a standard brake assist system to detect emergency braking situations (by how hard and how quickly the brake pedal is pressed) and then automatically apply maximum braking immediately in order to help prevent a collision. The Panamera doesn’t offer a brake assist feature.

The AMG GT 4-Door stops shorter than the Panamera:

AMG GT

Panamera

70 to 0 MPH

151 feet

156 feet

Car and Driver

60 to 0 MPH

100 feet

104 feet

Motor Trend

Suspension and Handling

© 1999 - 2020 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 2020/02/21

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

The AMG GT 63 S handles at 1.03 G’s, while the Panamera Turbo pulls only .94 G’s of cornering force in a Car and Driver skidpad test.

The AMG GT 63 S executes Motor Trend’s “Figure Eight” maneuver quicker than the Panamera 4S (23.1 seconds @ .91 average G’s vs. 24 seconds @ .84 average G’s).

Ergonomics

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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 Panamera doesn’t offer a remote starting system.

The AMG GT 4-Door’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. An easy entry system costs extra on the Panamera.

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 Panamera can only operate the windows from inside the vehicle, with the ignition on.

The AMG GT 4-Door’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The Panamera’s cruise control switches are unlit, making them difficult to find at night and operate safely.

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 Panamera doesn’t offer heated windshield washer nozzles.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the AMG GT 4-Door has standard extendable sun visors. The Panamera doesn’t offer extendable visors.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes AMG GT 4-Door has a standard wireless phone charging system (Qi) in the center console and for the rear passengers. The Panamera doesn’t offer wireless personal charging.

The AMG GT 4-Door’s Active Parking Assist can parallel park or back into a parking spot by itself, stopping and changing direction automatically. The Panamera doesn’t offer an automated parking system.

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

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