Compare the2022 Porsche PanameraVS 2021 Mercedes AMG GT 4-Door

Both the Panamera and AMG GT 4-Door have child safety locks to prevent children from opening the rear doors. The Panamera has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The AMG GT 4-Door’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

The Porsche Panamera has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags helps prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The AMG GT 4-Door doesn’t offer a front passenger side knee airbag.

The Panamera offers available whiplash protection, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the whiplash protection system moves the headrests forward to prevent neck and spine injuries. The AMG GT 4-Door doesn’t offer a whiplash protection system.

A passive infrared night vision system optional on the Panamera helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard and even aims one of the vehicle’s headlights in the direction of the person or object. The AMG GT 4-Door doesn’t offer a night vision system.

The Panamera’s standard lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. A lane departure warning system costs extra on the AMG GT 4-Door.

Both the Panamera and the AMG GT 4-Door have standard driver and passenger frontal airbags, front 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 crash mitigating brakes, blind spot warning systems and around view monitors.

The Panamera’s corrosion warranty is 7 years longer than the AMG GT 4-Door’s (12 vs. 5 years).

J.D. Power and Associates’ 2021 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks Porsche 15th in initial quality. With 30 more problems per 100 vehicles, Mercedes is ranked 25th.

J.D. Power and Associates’ 2021 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 36 more problems per 100 vehicles, Mercedes is ranked 15th.

From surveys of all its subscribers, Consumer Reports’ January 2021 Auto Issue reports that Porsche vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Porsche 11 places higher in reliability than Mercedes.

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

As tested in Motor Trend the Panamera 4S 2.9 turbo V6 is faster than the AMG GT 53 3.0 turbo 6-cylinder hybrid:

On the EPA test cycle the Panamera Sedan running on electricity gets better mileage than the AMG GT 4-Door:

On the EPA test cycle the Panamera Sedan running its gasoline engine gets better mileage than the AMG GT 4-Door:

The Panamera 4 E-Hybrid can drive on battery power alone for up to 19 miles. The AMG GT 4-Door must run its internal combustion engine to move.

Regardless of its engine, regenerative brakes improve the Panamera’s fuel efficiency by converting inertia back into energy instead of wasting it. Mercedes only offers a regenerative brake system on the AMG GT 4-Door 43/53.

The Panamera’s standard fuel tank has 2.6 gallons more fuel capacity than the AMG GT 4-Door (23.7 vs. 21.1 gallons).

The Panamera offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The AMG GT 4-Door doesn’t offer an SMG or a conventional manual transmission.

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

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

For better traction, the Panamera has larger standard tires than the AMG GT 4-Door (F:265/45R19 & R:295/40R19 vs. F:255/45R19 & R:285/40R19).

The Panamera offers active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The AMG GT 4-Door doesn’t offer an active sway bar system.

The Panamera offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Mercedes doesn’t offer an active suspension on the AMG GT 4-Door.

The Panamera’s front to rear weight distribution is more even (52% to 48%) than the AMG GT 4-Door’s (54% to 46%). This gives the Panamera more stable handling and braking.

The Panamera GTS handles at 1.02 G’s, while the AMG GT 53 pulls only 1.00 G’s of cornering force in a Car and Driver skidpad test.

The Panamera Turbo executes Motor Trend’s “Figure Eight” maneuver quicker than the AMG GT 53 (23.9 seconds @ .86 average G’s vs. 24.3 seconds @ .81 average G’s).

For better maneuverability, the Panamera w/Rear Axle Steering’s turning circle is 2.6 feet tighter than the AMG GT 4-Door’s (37.4 feet vs. 40 feet).

The Porsche Panamera may be more efficient, handle and accelerate better because it weighs up to about 350 pounds less than the Mercedes AMG GT 4-Door.

The front grille of the Panamera uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The AMG GT 4-Door doesn’t offer active grille shutters.

The Panamera offers available computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The AMG GT 4-Door doesn’t offer active noise cancellation.

Because it has more passenger and cargo room, the EPA rates the Panamera Sedan a Large car, while the AMG GT 4-Door is rated a Compact.

The Panamera offers optional seating for 5 passengers; the AMG GT 4-Door can only carry 4.

The Panamera Sport Turismo has 12 cubic feet more passenger volume than the AMG GT 4-Door (108 vs. 96).

For enhanced passenger comfort on long trips the Panamera’s available rear seats recline. The AMG GT 4-Door’s rear seats don’t recline.

The Panamera has a much larger trunk with its rear seat up than the AMG GT 4-Door (17.6 vs. 12.7 cubic feet).

The Panamera Sport Turismo has a much larger trunk with its rear seat up than the AMG GT 4-Door (18.3 vs. 12.7 cubic feet).

A control in the cargo area automatically lowers the Panamera’s rear seats, to make changing between passengers and cargo easier. The AMG GT 4-Door doesn’t offer automatic folding seats.

J.D. Power and Associates surveys of service recipients show that Porsche service is better than Mercedes. J.D. Power ranks Porsche first in service department satisfaction. With a 32% lower rating, Mercedes is ranked 6th.

The Panamera’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The AMG GT 4-Door does not have an oil pressure gauge.

To improve rear visibility by keeping the rear window clear, the Panamera offers an optional rear wiper. The AMG GT 4-Door doesn’t offer a rear wiper.

A power rear sunshade is optional in the Panamera (except Sport Turismo) and power rear side window sunshades are optional in the Panamera to help block heat and glare for the rear passengers. The AMG GT 4-Door doesn’t offer rear side window sunshades.

Optional air conditioned front and rear seats keep the Panamera’s passengers comfortable and take the sting out of hot leather in summer. The AMG GT 4-Door doesn’t offer air-conditioned seats in the rear.

Both the Panamera and the AMG GT 4-Door offer optional massaging front seats. The Panamera also offers optional massaging rear seats in order to maximize comfort and eliminate fatigue on long trips. Massaging rear seats aren’t available in the AMG GT 4-Door.

The Porsche Panamera comes in four door hatchback and station wagon bodystyles; the Mercedes AMG GT 4-Door isn’t available as a station wagon.

The Panamera is available in both rear-wheel drive and all-wheel drive configurations. The AMG GT 4-Door doesn’t offer a two-wheel drive configuration.

The Porsche Panamera outsold the Mercedes AMG GT by 11% during 2020.