2023 Mercedes-AMG GT43 / GT53 / GT63 Review, Pricing, and Specs

Heather

Overview

The 2023 Mercedes-AMG GT sedan synthesizes performance and presence in a way that few four-doors can. Mechanically, it’s a distant relative of the GT sports car, but no matter—it behaves much the same. The inline-six in the GT43 and GT53 models have plenty of muscle but its the twin-turbo V-8-powered GT63 models that are the apex predators of the lineup. Handling is satisfyingly sporty for such a large vehicle—and brilliant in the most aggressive models. The fact that you can bring three passengers along on your joy rides is an added plus. Despite the car’s performance potential, it doesn’t skimp on luxury; the interior is nicely tailored in fine materials and dotted with modern conveniences. Rear-seat headroom isn’t as generous here as it is in the E63 sedan, but the GT’s low fastback roofline offsets that deficit with a more exotic look.

What’s New for 2023?

The V-8­–powered GT63 and GT63 S models are back for 2023 after taking a year-long break. These high-performance variants of the GT sedan receive the same styling updates that the GT43 and GT53 models received last year. In addition, a range-topping GT63 S E-Performance model joins the lineup with a whopping 830-horsepower plug-in hybrid powertrain.

Pricing and Which One to Buy

We’d suggest going with the mid-range GT53, which offers plenty of horsepower and a pleasant driving experience. We’d add the Warmth and Comfort package, which adds a heated steering wheel, heated front armrests, and rapid-heating elements for the front seats. The Driver Assistance package is also appealing, as it adds a host of technologies including adaptive cruise control, lane-keeping assist, and blind-spot monitoring. Then again, we were seduced by the 630-hp GT63 S when we last drove it.

Engine, Transmission, and Performance

Under the hoods of both the GT43 and GT53 is a robust 3.0-liter inline-six-cylinder engine that features a turbocharger, an intercooler, an electric supercharger, and a small electric motor. From a stop, the electric motor and supercharger fill in the brief lapse in torque delivery before the turbo is spinning out full boost. The 3.0-liter, which packs a combined 429 horsepower in the GT53, snaps necks whenever you touch the accelerator. In our testing the GT53, which features a conventional nine-speed automatic transmission, it accelerated to 60 mph in 4.1 seconds, and its sporty suspension delivered flat, responsive cornering and sports-car levels of grip. The GT63 and GT63 S are powered by a thunderous 4.0-liter V-8. It’s a technological tour de force with dry-sump oiling, direct injection, and two turbochargers mounted in its V. It’s rated at 575 horsepower in the GT63, and cranked up to 630 horsepower in the GT63 S. These models also get a dual-clutch nine-speed automatic transmission and air suspension. In our testing, the GT63 S needed just 2.9 seconds to reach 60 mph. That’s as quick as a Porsche Panamera Turbo. An even more powerful GT63 S E-Performance plug-in hybrid model has been confirmed for 2023 and uses a rear-mounted electric motor to boost combined horsepower to a 830 hp. Tarmac everywhere need be worried.

mercedes amg gt 63 s 4matic kraftstoffverbrauch kombiniert wltp 13,5–13,0 l100 km, co2 emissionen kombiniert wltp 308–295 gkm 2022 exterieur selenitgrau magno interieur leder exklusiv nappa titangrau pearlschwarz mit gelben kontrastziernähten, performance lenkrad in leder nappa mit lenkradtasten  mercedes amg gt 63 s 4matic fuel consumption combined wltp 135–130 l100 km, co2 emissions combined wltp 308–295 gkm 2022 exterior selenite grey magno interior exclusive leather nappa titan grey pearlblack with yellow stitching, steering wheel in nappa leather with steering wheel buttonsView Photos

Mercedes-Benz AG – Communications & Marketing|Car and Driver

Fuel Economy and Real-World MPG

With such extreme performance, it’s no surprise the Mercedes-AMG GT sedan is thirsty, but its EPA fuel-economy estimates aren’t as dire as you might expect. Both the GT43 and GT53 are rated for 19/25 mpg city/highway; a GT53 model returned 27 mpg in our 75-mph highway fuel economy test. Ratings for the twin-turbo V-8 models have not yet been released. For more information about the GT’s fuel economy, visit the EPA’s website.

Interior, Comfort, and Cargo

While much of the GT’s interior is shared with the other four-door coupe from Mercedes, the CLS, the large console between its seats appears to have been pulled from the GT sports car. It’s a bit intrusive but makes for a sporty cockpit feel. The interior design overall is futuristic and visually exciting, but some of its ergonomics can take some getting used to. This is also a four-seater, which may be an issue for some families. Aggressively bolstered sport seats are standard and comfortable, while a fat and flat-bottomed steering wheel, aluminum trim, and digital gauge cluster fit the sedan’s high-performance mission. Build quality is exceptional, and the materials are in line with AMG’s pricing. This is a hatchback, and the GT coupe’s rear seats do fold down to increase cargo space, should you want to, ahem, pick up a few two-by-fours from the local Lowe’s. With its rear seats in use, there’s 12.7 cubic feet of space in the rear cargo hold. That’s plenty for most, but the Porsche Panamera offers more.

mercedes amg gt 63 s 4matic kraftstoffverbrauch kombiniert wltp 13,5–13,0 l100 km, co2 emissionen kombiniert wltp 308–295 gkm 2022 exterieur selenitgrau magno interieur leder exklusiv nappa titangrau pearlschwarz mit gelben kontrastziernähten, performance lenkrad in leder nappa mit lenkradtasten  mercedes amg gt 63 s 4matic fuel consumption combined wltp 135–130 l100 km, co2 emissions combined wltp 308–295 gkm 2022 exterior selenite grey magno interior exclusive leather nappa titan grey pearlblack with yellow stitching, steering wheel in nappa leather with steering wheel buttonsView Photos

Mercedes-Benz AG – Communications & Marketing|Car and Driver

Infotainment and Connectivity

Unfortunately, the AMG’s infotainment system, while impressively capable, is complicated and can be frustrating to use. On the upside, its 12.3-inch screen is massive, and Apple CarPlay integration is standard along with wireless phone charging and navigation. Onboard Wi-Fi is available along with a rear-seat central touchscreen display. The front-seat area features three USB ports, and there are two more in the back.

Safety and Driver-Assistance Features

Mercedes packs the AMG GT sedan with active safety-tech systems and driver aids. Standard systems include automatic high-beams, parking sensors, Mercedes Pre-Safe system, blind-spot warning, and rear cross-traffic alert. The list of optional systems is even longer and includes active lane-keeping assist, active steering assist, active emergency-stop assist, and active distance-assist radar cruise control. For more information about the GT’s crash-test results, visit the National Highway Traffic Safety Administration (NHTSA) and Insurance Institute for Highway Safety (IIHS) websites. Key safety features include:

  • Standard automated emergency braking
  • Available lane-departure warning with lane-keeping assist
  • Available adaptive cruise control with semi-autonomous driving mode

Warranty and Maintenance Coverage

With a four-year or 50,000 mile warranty, the Mercedes-AMG GT gets the same standard coverage as every other Mercedes car and SUV. It matches the warranty duration of the Porsche Panamera and BMW 8-series models; however, BMW includes complimentary scheduled maintenance, while Mercedes does not.

  • Limited warranty covers 4 years or 50,000 miles
  • Powertrain warranty covers 4 years or 50,000 miles
  • No complimentary scheduled maintenance

Specifications

Specifications 

2019 Mercedes-AMG GT53 4-Door

VEHICLE TYPE

front-engine, all-wheel-drive, 4-passenger, 4-door hatchback

PRICE AS TESTED

$127,300 (base price: $99,995)

POWERTRAIN

supercharged, turbocharged, and intercooled DOHC 24-valve 3.0-liter inline-6, 429 hp, 384 lb-ft + AC motor, 21 hp, 184 lb-ft; (combined system, 429 hp, 384 lb-ft; 0.9-kWh lithium-ion battery)

TRANSMISSION

9-speed automatic with manual shifting mode

CHASSIS

Suspension (F/R): multilink/multilink

Brakes (F/R): 14.2-in vented disc/14.2-in vented disc

Tires: Michelin Pilot Sport 4S, F: 275/35ZR-21 108Y MO R: 315/30ZR-21 105Y MO

DIMENSIONS

Wheelbase: 116.2 in

Length: 199.2 in

Width: 76.9 in

Height: 57.3 in

Curb weight: 4563 lb

C/D
TEST RESULTS

Zero to 60 mph: 4.1 sec

Zero to 100 mph: 10.4 sec

Zero to 150 mph: 31.3 sec

Rolling start, 5–60 mph: 5.0 sec

Top gear, 30–50 mph: 3.2 sec

Top gear, 50–70 mph: 3.6 sec

Standing ¼-mile: 12.8 sec @ 109 mph

Top speed (governor limited, mfr’s claim): 174 mph

Braking, 70–0 mph: 151 ft

Roadholding, 300-ft-dia skidpad: 1.00 g

C/D
FUEL ECONOMY

Observed: 20 mpg

EPA FUEL ECONOMY

Combined/city/highway: 21/19/24 mpg

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