2019 Mercedes-AMG GT 4-Door: 630-HP GT 63 S Review

The 2019 Mercedes-AMG GT 4-Door Coupe redefines what a high-performance family car can be. This model fuses the razor-sharp dynamics of a two-door sports car with the versatility of a lifted hatchback, powered by a hand-built twin-turbo V8 engine that propels it to breathtaking speeds. Available in variants like the GT 63 and top-tier GT 63 S, it offers outputs from 577 horsepower up to 630 horsepower, achieving 0-60 mph in as little as 3.1 seconds. While its aggressive styling and firm ride prioritize thrills over outright comfort, it stands out as one of AMG’s most engaging offerings, surpassing even the E 63 S in driver involvement.

Powertrain and Acceleration: V8 Fury Unleashed

At the heart of the GT 4-Door lies Mercedes-AMG’s renowned **4.0-liter twin-turbo V8**, meticulously assembled by a single technician at the Affalterbach factory. This engine delivers a visceral driving experience, with a subdued burble at low revs that erupts into a thunderous roar under full throttle. The GT 63 produces 577 hp and 590 lb-ft of torque, while the GT 63 S ramps up to 630 hp and 664 lb-ft, paired with a nine-speed automatic transmission (updated from the seven-speed in earlier GT models).

• GT 63: 0-62 mph in 3.4 seconds, top speed 193 mph.
• GT 63 S: 0-62 mph in 3.2 seconds, top speed 195 mph (electronically limited).
• Optional Race exhaust amplifies the soundtrack with crackles and pops on overrun.

Performance figures eclipse many supercars, with quarter-mile times around 11 seconds for the S model. The all-wheel-drive system, featuring variable torque split, ensures traction in all conditions, though rear-biased dynamics shine on dry roads.

Chassis Dynamics: Engineered for Precision

The GT 4-Door’s suspension employs advanced **three-chamber air springs** with adaptive dampers, lowering the ride height by 0.6 inches in Sport+ mode for better aerodynamics and cornering. Rear-axle steering enhances maneuverability, reducing the turning circle to that of a compact sedan despite its 196-inch length. AMG Dynamics modes—Basic, Advanced, Pro, Master—fine-tune stability control, differential, and AWD for everything from slippery roads to track days.

Even in Comfort, the ride remains firm like a BMW M5, prioritizing feedback over plushness. On twisty roads, it corners flat with minimal dive, thanks to optimized five-link rear suspension geometry.

Design and Aerodynamics: Aggressive Yet Practical

Externally, the GT 4-Door stretches the GT coupe’s lines into a sleek fastback with a **Panamericana grille**, massive air intakes, and an active rear wing that deploys at speed for downforce. At 5.05 meters long, it dwarfs typical sedans but maintains a low 1.44-meter height for superior stability. The hatchback tailgate boosts cargo space to 12.7 cubic feet with seats up, expanding significantly when folded.

• LED matrix headlights with adaptive high-beam.
• 20- or 21-inch AMG wheels shod in high-performance tires.
• Optional carbon-ceramic brakes for fade-free stopping.

Its polarizing ‘four-door coupe’ shape signals intent: this is no bland saloon.

Interior Luxury: Tech-Heavy Cockpit

Step inside, and the cabin rivals any Mercedes flagship. Dual 12.3-inch digital displays form the **MBUX infotainment suite** (predecessor to MBUX in later models), controlled via touchpad or steering-wheel buttons. Luxurious materials—leather, wood, carbon fiber—create a premium ambiance, with configurable ambient lighting in 64 colors.

Front seats offer excellent bolstering for high-g cornering, though low sills demand a duck to enter. Rear space impresses for a coupe-like roofline: ample legroom and headroom for adults on shorter trips, plus optional rear touchscreen for climate and entertainment. European models include a three-seat bench; U.S. gets two-place setups.

Drawbacks include the fiddly touchpad replacing a clickwheel, and a busy center console packed with drive-mode toggles.

Safety and Technology Features

Standard kit includes adaptive cruise control, lane-keeping assist, and blind-spot monitoring. The 2019 model earns top crash ratings, bolstered by a rigid chassis derived from the E-Class platform but reinforced for performance. AMG Track Pace logs lap times and telemetry via the instrument cluster.

• Active brake assist with pedestrian detection.
• 360-degree camera and parking sensors.
• Pre-Safe impulse side bolsters for side impacts.

Fuel Economy and Ownership Costs

Expect **17-21 mpg combined**, thirstier in Sport modes due to the V8’s appetite. MSRP started at $99,000 for the base GT 63, climbing to $150,000+ for loaded GT 63 S models with options. A 4-year/50,000-mile warranty covers the powertrain, with service intervals at 10,000 miles.

Performance Against Rivals

The GT 4-Door outpaces the BMW M5 (3.2s 0-60) and Audi RS7 in agility, though the M5 offers more rear space. Porsche Panamera Turbo S matches speed but lacks the AMG’s V8 drama. It’s pricier but justifies with exclusivity.

Pros and Cons at a Glance

• Pros: Explosive acceleration, sharp handling, premium interior, practical cargo.
• Cons: Firm ride, high price, complex controls, limited rear access.

FAQs

Is the 2019 AMG GT 4-Door suitable for daily driving?

Yes, Comfort mode tames the ride for commutes, with good space and tech, though it’s firmer than luxury sedans.

What engine powers the GT 63 S?

A hand-built 4.0L twin-turbo V8 with 630 hp and 664 lb-ft.

How does it compare to the E 63 S?

Sharper steering and lower stance make it more engaging, with similar power but better track poise.

What’s the cargo capacity?

12.7 cu ft behind seats, up to 45.9 cu ft folded—hatchback design adds versatility.

Does it have all-wheel drive?

Yes, 4MATIC+ with drift mode for rear-wheel bias.