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2020 BMW

M8 Gran Coupe

Auto (S8), 8 cyl, 4.4 L, Turbo

2020 BMW M8 Gran Coupe (photo 1 of 3)

Photo may show a different model year; you're viewing the 2020.

PhotoGhostofakinaCC BY-SA 4.0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/22/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S8)EPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
PremiumEPA, from EPA, last updated 6/22/2026

Engine & performance

Cyl
8EPA, from EPA, last updated 6/22/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/22/2026
Start-stop system
YesEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
21 mpgEPA, from EPA, last updated 6/22/2026
MPG City
15 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
17 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$4,550EPA, from EPA, last updated 6/22/2026
CO₂
518 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
3/10EPA, from EPA, last updated 6/22/2026
Smog score
3/10
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026
SmartWay certified
No

Dimensions & capacity

Length
191 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width
75 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height
53 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase
111 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight
4,489 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Safety NHTSA, model year

Recalls
3
Owner complaints
5
Reported injuries
1

Reported problems NHTSA owner complaints, model year

  • VEHICLE SPEED CONTROL22%
  • ELECTRICAL SYSTEM11%
  • ENGINE11%
  • FORWARD COLLISION AVOIDANCE11%
  • FUEL/PROPULSION SYSTEM11%
  • POWER TRAIN11%

Source: NHTSA owner complaints, 9 total.

Known issues manufacturer service bulletins, model year

127 service bulletins filed with NHTSA for this model year

  • Sep 19, 2025ENGINEB011724

    The Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the engine’s center fuel injector bore area that resulted after this location was periodically contaminated by engine coolant residue over time. This special program’s coverage is 15 years / 150,000 miles as determined from the vehicle's original in-service / first d

  • Jun 17, 2025ENGINEB063525

    Engine Return

  • Dec 11, 2024ENGINEB010821

    The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date

  • Apr 15, 2024ENGINE AND ENGINE COOLINGB170324

    BMW AG has issued a Delivery Stop (effective April 15, 2024) on certain Model Year 2018 - 2023 BMW vehicles that were produced between November 7, 2017, and September 9, 2022.

  • Jan 16, 2024ELECTRICAL SYSTEMB510819

    The basic conditions for initializing the power windows are not met.

  • Jan 11, 2024ELECTRICAL SYSTEMB611305

    The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.

  • Jan 8, 2024STEERINGB360121

    At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21.

  • Jan 5, 2024EQUIPMENT:ELECTRICAL:INFOTAINMENTB610524

    The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 – “HU-H: Reset” will be stored in the HU-H3.

  • and 119 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
4 yr / 50k mi
Roadside assistance
4 yr
Maintenance
3 yr / 36k mi
EV battery
8 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.