BMW M6 Gran Coupe Review: 552 BHP, 0-62 MPH, Pros

The BMW M6 Gran Coupe stands as a bold fusion of supercar acceleration, four-door practicality, and executive refinement. Produced from 2012 to 2019, this model elevated the 6 Series lineup with its aggressive styling and twin-turbo V8 prowess, delivering 552 horsepower in a package that’s as comfortable on highways as it is thrilling on twisty roads.

Striking Design That Demands Attention

From every angle, the M6 Gran Coupe exudes presence. Its elongated silhouette combines the sleek lines of a coupe with the utility of sedan doors, creating a profile that’s both elegant and menacing. The front fascia features enlarged air intakes and a distinctive kidney grille, flanked by adaptive LED headlights that give it a predatory glare.

Flared wheel arches accommodate the wider track, while M-specific ‘gills’ on the front fenders add a touch of motorsport flair. Unique side mirrors and massive 20-inch alloy wheels fill the arches perfectly, emphasizing its stance. Carbon fiber elements, including the roof and rear diffuser, not only reduce weight but also enhance the aerodynamic profile. At the rear, quad exhaust tips signal its performance intent, drawing eyes immediately.

This design philosophy balances subtlety with aggression—understated enough to blend into traffic for those unfamiliar, yet instantly recognizable to enthusiasts. Measuring over five meters long and nearly 1.9 meters wide, its dimensions underscore its grand touring credentials.

Powertrain: A Twin-Turbo V8 Beast

At the heart lies a 4.4-liter twin-turbocharged V8 engine, shared with the M5 but tuned for gran coupe efficiency. Standard output delivers 552 bhp (423 kW) and 680 Nm of torque, propelling it from 0-62 mph in just 4.2 seconds. The optional Competition Package ups this to 592 bhp and 700 Nm, shaving even more time off acceleration.

Paired with a seven-speed dual-clutch transmission, shifts are lightning-quick and precise, rivaling Porsche’s PDK in responsiveness. The engine revs smoothly with a characterful growl, especially when pushed hard, though it demands premium fuel and returns around 9.9 L/100km in mixed driving.

This table highlights the raw figures that make the M6 a highway devourer.

Chassis and Handling Dynamics

Despite its 1,900 kg curb weight, the M6 Gran Coupe feels planted thanks to iron-fisted suspension control and massive brakes. The Active M differential redistributes torque to the rear wheel with the most grip, aiding cornering poise even on wet roads.

However, its size is noticeable on tight, twisty routes—roll is minimal, but physical limits cap enthusiasm in confined spaces. A lower seating position amplifies the sense of width, though it’s only marginally broader than the M5. Stiffer suspension than the M5 enhances turn-in but can feel harsh on poor surfaces, especially with 20-inch wheels.

• Strengths: Exceptional stability at high speeds, sharp steering, and traction management.
• Challenges: Weight and dimensions hinder agility on backroads; traction struggles in the wet.

Drive modes allow tailoring—from compliant Comfort for daily use to track-focused settings that unleash its potential.

Interior Refinement and Comfort

Step inside, and luxury takes center stage. Nappa leather seats are heated and cooled, wrapping occupants in support during high-speed runs. The cabin blends sporty elements like Alcantara headliner with premium touches, including a Bang & Olufsen sound system that fills the space with clarity.

Ambient lighting bathes controls in subtle hues, enhancing the nighttime drive. Infotainment is intuitive, with physical knobs complementing the screen. However, rear space is tighter than the M5’s saloon layout, better suited for two adults than a full family. Front seats offer excellent adjustment, but the sloping roofline cramps headroom for taller passengers.

Practicality and Everyday Usability

As a four-door, it trumps the standard M6 Coupe in versatility, with a usable boot and child-friendly rear access. Yet, its grand tourer nature prioritizes style over outright space—expect compromises for long-legged rears. Ride quality shines on smooth roads, absorbing imperfections while maintaining composure.

It’s more practical than convertibles but less so than saloons, positioning it as a stylish choice for executives seeking exclusivity.

Ownership Costs and Reliability

High running costs are the trade-off for this performance. Expect steep insurance, tire wear from 20-inch rubber, and premium fuel demands. Maintenance aligns with M-division standards—pricey but reliable if serviced properly.

Depreciation hits hard initially, but well-kept examples hold value among collectors. Fuel efficiency lags behind diesels like the 640d, making it a weekend toy for many.

Pros and Cons at a Glance

This comparison captures the M6’s dual personality.

Who Should Buy the BMW M6 Gran Coupe?

Ideal for affluent drivers craving M-division thrills with a dash of practicality. It excels as a long-distance cruiser or occasional track weapon, outshining pure saloons in style while matching their pace. Rivals like the Mercedes-AMG E63 or Audi RS7 offer similar power, but the M6’s gran coupe charm sets it apart.

In a market shifting to hybrids, this V8 icon remains a purist’s delight—raw, unfiltered, and unapologetic.

Frequently Asked Questions (FAQs)

Is the BMW M6 Gran Coupe faster than the M5?

Both share similar powertrains, but the Gran Coupe’s sleeker shape and weight savings make it marginally quicker in some tests.

How reliable is the M6 Gran Coupe?

BMW M cars are durable with proper maintenance, though turbo and DCT components require vigilance.

What’s the fuel economy like?

Expect 20-25 mpg combined; real-world figures dip under aggressive driving.

Can it handle track days?

Yes, with optional packs enhancing brakes and aero—many owners praise its composure.

Is the rear seating practical for adults?

Suitable for shorter trips; the sloping roof limits space compared to saloons.

Final Driving Impressions

The M6 Gran Coupe is relentless—power surges with every stab of the throttle, the chassis grips tenaciously, and the cabin cocoons you in luxury. It’s not the nimblest M car, but its blend of speed, comfort, and presence makes it unforgettable. For those who can afford it, it’s a statement of refined power.