BMW M3 Competition M xDrive Sedan
18 MPG The 2027 BMW M3 Competition M xDrive Sedan is EPA-rated at 18 MPG combined (16 city / 23 highway). Over 15,000 miles a year that is about 833 gallons, $2667 a year in fuel, or $0.178 per mile at $3.20/gal.
Across its full 2022–2027 run it averages 18 MPG, essentially flat across 6 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.139 | $1389 | $2083 | $2778 |
| $3.00/gal | $0.167 | $1667 | $2500 | $3333 |
| $3.20/gal | $0.178 | $1778 | $2667 | $3556 |
| $3.50/gal | $0.194 | $1944 | $2917 | $3889 |
| $4.00/gal | $0.222 | $2222 | $3333 | $4444 |
| $4.50/gal | $0.250 | $2500 | $3750 | $5000 |
| $5.00/gal | $0.278 | $2778 | $4167 | $5556 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2027 | 18 MPG | 16 | 23 | $4300 | 477 | 1 |
| 2026 | 18 MPG | 16 | 23 | $4300 | 477 | 1 |
| 2025 | 18 MPG | 16 | 23 | $4300 | 477 | 1 |
| 2024 | 18 MPG | 16 | 22 | $4300 | 477 | 1 |
| 2023 | 18 MPG | 16 | 22 | $4300 | 477 | 1 |
| 2022 | 18 MPG | 16 | 22 | $4300 | 477 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 227 compact cars models tracked here, the BMW M3 Competition M xDrive Sedan ranks 204 on current figures, against a class average of 26.6 MPG.
Closest more-efficient alternatives in the same class: Peugeot 505 Sedan (18.2), Volkswagen Quantum (18.5), Acura Legend (18.8), Bentley Continental GT (19), BMW M3 Competition Sedan (19).
Tailpipe CO₂ is rated at 477 grams per mile, which works out to roughly 7.2 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW M3 Competition M xDrive Sedan get?
The 2027 BMW M3 Competition M xDrive Sedan is rated at 18 MPG combined by the EPA — 16 city and 23 highway. Across all 6 model years in the database it averages 18 MPG, ranging from 18 to 18 depending on year and trim.
How much does a BMW M3 Competition M xDrive Sedan cost in fuel per year?
At 18 MPG and 15,000 miles a year, it burns about 833 gallons — roughly $2667 a year with fuel at $3.20 a gallon, or $0.178 per mile. The EPA's own published annual figure for the 2027 model is $4300.
Has the BMW M3 Competition M xDrive Sedan become more efficient over time?
Barely. It sits at 18 MPG today against 18 in 2022 — essentially flat across 6 model years, with efficiency gains offset by weight and power creep.
Is the BMW M3 Competition M xDrive Sedan efficient for its class?
It ranks 204 of 227 in the Compact Cars class on current figures, against a class average of 26.6 MPG. That is 8.6 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.