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2021 BMW M8 review

Research, photos, specs, and expertise

BMW M8 highlights

Customer rating

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RepairPal reliability rating

(data not available)

Pros

  • Rapid, effortless acceleration at all speeds
  • Top-notch interior materials and construction
  • Excellent driving position
  • Comfortable and quiet interior

Cons

  • Lacks the raw performance thrills of some rivals
  • Button-heavy interior looks a bit cluttered
  • Fuel economy is increasingly a liability

Mileage (EPA estimate)

15 city, 21 highway, 17 combined

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The 2021 BMW M8 Gran Coupe is one of the world’s most powerful and dynamic four-doors

Blessed with striking good looks and stunning performance, the 2021 BMW M8 Gran Coupe represents the pinnacle of sedan performance from BMW. The M8 is powered by a twin-turbocharged V8 engine paired with an eight-speed transmission and all-wheel drive, and the suspension has been tuned to maximize every last bit of horsepower and grip possible. The BMW M8 Gran Coupe holds its own against competition like the Audi RS 7, Mercedes-AMG GT 63 S sedan and Porsche Panamera Turbo S, and nobody could ever accuse those cars of being slouches in the performance department.

Yet the M8 is perfectly livable on a day-to-day basis. While the suspension is firm, it’s not so harsh to make daily driving unreasonable. The interior is awash in premium materials and trim, never failing to remind the driver that this is a high-end luxury car. The rear seat is roomy enough for two passengers, and there’s even decent trunk space. Among the few downsides are the infotainment system’s steep learning curve, and poor fuel economy that’s not surprising for a car like this.

All BMW M8 years

Not sure what year to select? Learn about each BMW M8 generation from 2020 to 2025

What is new for the 2021 BMW M8?

  • The M8 is available in a new trim called the Gran Coupe.
  • The Competition trim has been discontinued for 2021.
  • M8 trims have been upgraded with Rear Sunshade, Power Hatch/Deck Lid, and Android Auto as standard equipment this year.
  • Run Flat Tires features are now available as options on select trims.

2021 BMW M8 trims

Curious how BMW M8 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

Gran Coupe:

  • 600-hp, 553-lb-ft of torque 4.4L
  • Rear Sunshade
  • Memory Seats
  • Front Seat Heaters
  • Power Seats
  • Leather Seats
  • Remote Start
  • Rear View Camera
  • Lane Departure Warning

What We Like

Performance: Any BMW with an “M” in its name is focused on performance, and the 2021 M8 Gran Coupe is no exception. Its engine puts out 600 horsepower, or 617 when equipped with the Competition package. Then there’s the slick-shifting eight-speed automatic transmission, the standard all-wheel drive, the sport-tuned suspension, the brakes, and the steering…put it all together and the M8 Gran Coupe is simply stunning to drive.

Luxury: In the case of the M8 Gran Coupe, luxury means so much more than a long list of features. To be sure, it has that, from leather seats and powerful climate control to a premium audio system, and pretty much everything else you’d want or expect. But part of luxury car ownership is that feeling of exclusivity that comes with it, and there are few cars that feel more special than this striking looking and driving four-door.

Practicality: The M8 Gran Coupe is no substitute for an SUV, but considering its sleek roofline and high performance, it’s actually a reasonable daily driver. The suspension is tuned to smooth out sharper bumps on the road, there is a ton of legroom, and even headroom is good considering the low roofline. 

What Needs Improvement

Fuel Economy: With an EPA-estimated 17 mpg combined rating, the M8 Gran Coupe is not exactly stingy on its fuel consumption.

While that’s not unexpected considering the performance of its twin-turbo V8 engine, it’s getting harder to dismiss considering there are electric cars that can out-accelerate the M8 while burning zero gallons of gas. 

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Ratings & reliability

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BMW M8 features and specs

Curious how BMW M8 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

Gran Coupe 4WD/AWD 4D Sedan

Standard Features

  • 20 Inch Plus Wheels
  • 4WD/AWD
  • A/C Seat(s)
  • ABS Brakes
  • Air Conditioning
  • Alloy Wheels
  • AM/FM Stereo
  • Android Auto
  • Apple CarPlay
  • Automatic Transmission
  • Auxiliary Audio Input
  • Bluetooth Technology
  • Cruise Control
  • Front Seat Heaters
  • Harman Kardon Sound
  • Head Up Display
  • Heated Mirrors
  • Heated Steering Wheel
  • Lane Departure Warning
  • Leather Seats
  • Memory Seat(s)
  • Navigation System
  • Overhead Airbags
  • Power Hatch/Deck Lid
  • Power Locks
  • Power Mirrors
  • Power Seat(s)
  • Power Windows
  • Rear Defroster
  • Rear Spoiler
  • Rear Sunshade
  • Rear View Camera
  • Remote Start
  • Satellite Radio Ready
  • Side Airbags
  • Smart Key
  • Traction Control
  • Turbo Charged Engine

Optional Features

  • Automated Cruise Control
  • Automated Parking
  • Blind Spot Monitor
  • Bowers & Wilkins Audio
  • Leather & Suede Seats
  • Leather Seats
  • Parking Sensors
  • Rear Seat Heaters
  • Rear Spoiler
  • Run Flat Tires
  • Seat Massagers

Drive Wheels

All Wheel (4WD/AWD)

Engine size

4.4L

Horsepower

600

Torque (ft-lbs)

553

Engine type

Turbo Gas

Fuel capacity

20.1

Wheelbase

119.2"

Overall length

200.9"

Width

76.5"

Height

55.9"

Leg room

F 42.1"/R 36.6"

Head room

F 39.1"/R 37.1"

Front tires

P275/35YR20

Rear tires

P285/35YR20

Seating capacity

5

Transmission

Automatic

2021 BMW M8 FAQ

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