Quick take
- 577 hp and 590 lb-ft from a handcrafted 4.0-liter biturbo V8, with Mercedes-AMG's own published 0-60 time of 3.3 seconds — figures for a genuinely quick four-door, not a watered-down GT.
- AMG Performance 4MATIC+ all-wheel drive and a 9-speed automatic put power down through all four wheels, prioritizing usable traction over a rear-drive-only setup.
- At 4,740 lbs, this is a substantial car — meaningfully heavier than the two-door GT it shares a name and engine family with, a direct consequence of the extra doors, rear-seat structure, and larger body.
- A more powerful GT 63 S E 4-Door Coupe hybrid variant exists above this one, at 831 hp and a 2.8-second 0-60, for buyers who want the flagship rather than the entry point into GT 63 power.
The engine: still handcrafted, still the headline
Mercedes-AMG's V8 has long been assembled under the company's "One Man, One Engine" program at its Affalterbach facility — a single technician builds each engine start to finish, and signs a plate on the finished unit. The 4.0-liter biturbo V8 in the GT 63 4-Door Coupe carries that same handbuilt provenance, rated at 577 hp between 5,500 and 6,500 rpm and 590 lb-ft of torque across a broad 2,350–5,000 rpm band.
That torque spread matters as much as the peak numbers — a wide, flat torque band means strong pull is available across a large portion of the rev range rather than concentrated in a narrow, harder-to-access window, which is part of what a claimed 3.3-second 0-60 time in a nearly 4,750-lb car actually requires.
Four doors, and what that actually changes
Unlike the original two-door AMG GT, the 4-Door Coupe is built on a genuinely different proposition: usable rear seats and four-door practicality without abandoning the GT nameplate's performance positioning. AMG Performance 4MATIC+ all-wheel drive is standard, putting power to all four wheels rather than offering a rear-drive-only configuration — a deliberate choice for a car meant to be a daily-usable performance sedan-coupe rather than a dedicated track weapon.
The trade-off Mercedes-AMG's own spec sheet makes visible is weight: 4,740 lbs is substantial for a car with these performance figures, a direct consequence of the extra doors, the rear-seat structure, and the larger overall body compared to the two-door GT that shares its engine.
Where the GT 63 sits in its own lineup
The GT 63 4-Door Coupe reviewed here is the entry point into GT 63 power, not the ceiling. Mercedes-AMG also offers the GT 63 S E 4-Door Coupe, a plug-in hybrid variant rated at 831 hp and 1,032 lb-ft, with a claimed 2.8-second 0-60 — a meaningfully quicker and more powerful car for roughly $42,000 more, starting around $200,500. That gap gives buyers a real choice between this car's already-serious performance and a genuinely flagship-tier step above it.
More views: exterior, engine bay, and cockpit detail
Mercedes-AMG's press library for the GT 4-Door Coupe spans studio exterior angles, the engine bay, and cockpit controls — the additional views below round out the picture. Note: one image below (rear studio shot with a charging cable) depicts the plug-in hybrid GT 63 S E variant rather than the standard GT 63 covered in this article's specs, captioned accordingly.
What a press release cannot tell you
Everything above is Mercedes-AMG's own published specification sheet, and the honest caveats are worth stating directly: no outlet has independently verified the 3.3-second 0-60 claim for this exact configuration, and how the car's substantial curb weight affects real-world steering feel, brake fade under repeated hard use, or day-to-day ride comfort is something only a genuine test drive settles. A spec sheet also can't capture cabin noise, interior material quality in person, or how the AMG Performance 4MATIC+ system actually feels distributing power in a fast corner.
The V8's handcrafted provenance is well-documented and not in dispute — it's a genuine, longstanding AMG manufacturing practice, not marketing language invented for this model. What's untested is everything about how this specific four-door body and weight interact with that familiar engine in practice.
| Specification | Mercedes-AMG's figure |
|---|---|
| Model | Mercedes-AMG GT 63 4-Door Coupe (2026 model year) |
| Engine | 4.0-liter handcrafted V8 biturbo |
| Power | 577 hp at 5,500–6,500 rpm |
| Torque | 590 lb-ft at 2,350–5,000 rpm |
| Transmission | AMG SPEEDSHIFT MCT 9-speed automatic |
| Drive | AMG Performance 4MATIC+ all-wheel drive |
| 0-60 mph | 3.3 seconds |
| Curb weight | 4,740 lbs |
| Fuel economy | 15 mpg city / 21 mpg highway |
| Cargo capacity | 16.1 cubic feet |
| US starting price | $158,350 MSRP |
| Higher trim available | GT 63 S E 4-Door Coupe: 831 hp, 2.8 sec 0-60, ~$200,500 |
Common questions
Is the GT 63 4-Door Coupe the same engine as the two-door GT?
It's from the same handcrafted 4.0-liter biturbo V8 family AMG uses across its performance lineup, though specific tuning and output vary by model — this article covers the 4-Door Coupe's own published 577 hp figure.
What's the difference between GT 63 and GT 63 S E?
The S E variant is a plug-in hybrid rated at 831 hp and 1,032 lb-ft with a 2.8-second 0-60, positioned as the flagship above the standard GT 63 4-Door Coupe covered in this article, at a roughly $42,000 higher starting price.
Does the GT 63 4-Door Coupe have usable rear seats?
Yes — that's the core distinction from the original two-door AMG GT. The four-door body and structure are built specifically to offer genuine rear-seat space, not a token gesture toward practicality.
Is "handcrafted" just marketing language for this engine?
No — Mercedes-AMG's "One Man, One Engine" program, where a single technician assembles each V8 and signs it, is a well-documented, longstanding practice at its Affalterbach facility, not a term invented for this specific model.
Has DopamineKart driven this car?
No. Everything in this article reflects Mercedes-AMG's own published specifications, not a first-hand drive.
On paper, the GT 63 4-Door Coupe is a straightforward, confident proposition: a genuine, handcrafted AMG V8, real all-wheel-drive traction, and a body built to make the GT nameplate practical for four people rather than two. It sits deliberately below the GT 63 S E in outright power, which reads less like a limitation and more like AMG giving buyers a real choice within its own lineup.
Whether the substantial curb weight the four-door body demands changes how the car actually feels to drive — versus how it performs on a spec sheet — is exactly the kind of question only a real test drive answers. We'll revisit this once independent testing exists.
Sources. Mercedes-Benz USA — 2026 AMG GT 63 4-Door Coupe, Mercedes-Benz Group Media. All technical figures and pricing reflect Mercedes-AMG's own published data for the US market. Photography is Mercedes-AMG press material, used for editorial reporting and credited per image. No affiliate links appear on this page. This article contains no affiliate links and no buy buttons — DopamineKart does not monetise vehicle coverage.
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