2021 BMW M4 Coupe — Full Specifications
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The 2021 BMW M4 Coupe is a coupe powered by a 3L 6-cyl turbo premium gasoline engine. It returns around 23 mpg (UK) / 19 mpg (US EPA) combined. Owners often keep a BMW M4 Coupe workshop manual to hand for servicing and repairs.
Compared with the 2020 BMW M4 Coupe: Fuel economy is essentially unchanged at around 23 mpg (UK) combined. The engine line-up listed by EPA is unchanged. EPA passenger volume changes from 90 to 87 cu ft.
Full Specifications
| Engine | 3L 6-cyl turbo |
|---|---|
| Transmission | Manual 6-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Coupe |
| Passenger Volume (EPA) | 87 cu ft (2,464 L) |
| Luggage Volume (EPA) | 12 cu ft (340 L) |
| Fuel Economy (UK) | 23 combined / 19 urban / 28 extra-urban mpg |
| Fuel Economy (US EPA) | 19 combined / 16 city / 23 highway mpg |
| CO₂ Emissions | 293 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,350 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2021 BMW M4 Coupe, all with the 3L 6-cyl turbo engine. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3L 6-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 23 | 19 (16/23) | 293 | $4,350 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 87 cubic feet (about 2,464 litres) and luggage volume at 12 cubic feet (about 340 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2021 BMW M4 Coupe
Running Costs: 2021 BMW M4 Coupe
Covering around 8,000 miles a year in a 2021 BMW M4 Coupe at 23 mpg combined, expect roughly 1,581 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,350 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2021 BMW M4 Coupe Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 2 safety recall campaigns that include the 2021 BMW M4 Coupe (as of 6 October 2026). Most affected areas: Seat belts (1), Service brakes (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Seat belts — campaign 21V554000, reported 21 July 2021. Risk: During a crash, a seat belt retractor that does not function as intended increases the risk of injury.
- Service brakes — campaign 21V062000, reported 10 February 2021. Risk: A loss of ABS and a reduction in braking assistance can increase the risk of a crash.
Owners have filed 1 complaint with NHTSA about the 2021 BMW M4 Coupe. The most-reported areas are Service brakes (1).
Used-buyer checklist for the 2021 BMW M4 Coupe
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Brakes (1 recall campaign · 1 owner complaint) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Seat belts (1 recall campaign) — Check every belt latches and retracts properly and that any restraint recalls were completed.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the BMW M4 Coupe compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 23 mpg figure is 2 mpg below that average. Its 293 g/km CO₂ figure is 15 g/km higher than the 278 g/km average for coupes on this site. This comparison is based on 1072 coupes in our dataset.
BMW models in our database average about 28 mpg (UK) combined on their most efficient configuration; the 2021 BMW M4 Coupe's 23 mpg is 5 mpg below that make average. Its 293 g/km CO₂ figure is 53 g/km higher than the 240 g/km BMW average.
Of the 12 BMW M4 Coupe model years we cover, the 2021 ranks 7th for combined fuel economy on its best configuration (23 mpg UK combined, against a high of 24 mpg). See every BMW M4 Coupe year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2021 BMW M4 Coupe
Frequently Asked Questions
What engine does the 2021 BMW M4 Coupe have?
It's fitted with a 3L 6-cyl turbo premium gasoline engine, paired with a manual 6-spd transmission.
What is the fuel economy of the 2021 BMW M4 Coupe?
The most efficient configuration returns around 23 mpg (UK) combined, or 19 mpg on the US EPA cycle.
How much does the 2021 BMW M4 Coupe cost to fuel per year?
The US EPA estimates about $4,350 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2021 BMW M4 Coupe have any recalls?
NHTSA lists 2 safety recall campaigns that include the 2021 BMW M4 Coupe (as of 6 October 2026). Most affected areas: Seat belts (1), Service brakes (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2021 BMW M4 Coupe?
Among the 1 owner complaints filed with NHTSA, the most-reported areas are Service brakes (1 complaint). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2021 BMW M4 Coupe have?
EPA measures interior passenger volume at 87 cubic feet (about 2,464 litres) and luggage volume at 12 cubic feet (about 340 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the BMW M4 Coupe's fuel economy good for a coupe?
It returns around 23 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track.