BMW X3 M Competition
17 MPG The 2024 BMW X3 M Competition is EPA-rated at 17 MPG combined (15 city / 20 highway). Over 15,000 miles a year that is about 882 gallons, $2824 a year in fuel, or $0.188 per mile at $3.20/gal.
Across its full 2020–2024 run it averages 16.6 MPG, improving by 1 MPG over 5 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 | $0.147 | $1471 | $2206 | $2941 |
| $3.00/gal | $0.176 | $1765 | $2647 | $3529 |
| $3.20/gal | $0.188 | $1882 | $2824 | $3765 |
| $3.50/gal | $0.206 | $2059 | $3088 | $4118 |
| $4.00/gal | $0.235 | $2353 | $3529 | $4706 |
| $4.50/gal | $0.265 | $2647 | $3971 | $5294 |
| $5.00/gal | $0.294 | $2941 | $4412 | $5882 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2024 | 17 MPG | 15 | 20 | $4550 | 519 | 1 |
| 2023 | 17 MPG | 15 | 20 | $4550 | 519 | 1 |
| 2022 | 17 MPG | 15 | 20 | $4550 | 519 | 1 |
| 2021 | 16 MPG | 14 | 19 | $4800 | 546 | 1 |
| 2020 | 16 MPG | 14 | 19 | $4800 | 546 | 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 130 small sport utility vehicle 4wd models tracked here, the BMW X3 M Competition ranks 126 on current figures, against a class average of 29.3 MPG.
Closest more-efficient alternatives in the same class: Ford Bronco Badlands 4WD (17.5), Ford Bronco Sasquatch 4WD (18), Jeep Wrangler 4dr 4WD (18.5), Dodge Journey AWD (19), Porsche Macan GTS (19).
Tailpipe CO₂ is rated at 519 grams per mile, which works out to roughly 7.8 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW X3 M Competition get?
The 2024 BMW X3 M Competition is rated at 17 MPG combined by the EPA — 15 city and 20 highway. Across all 5 model years in the database it averages 16.6 MPG, ranging from 16 to 17 depending on year and trim.
How much does a BMW X3 M Competition cost in fuel per year?
At 17 MPG and 15,000 miles a year, it burns about 882 gallons — roughly $2824 a year with fuel at $3.20 a gallon, or $0.188 per mile. The EPA's own published annual figure for the 2024 model is $4550.
Has the BMW X3 M Competition become more efficient over time?
Yes. It has gone from 16 MPG in 2020 to 17 in 2024 — an improvement of 1 MPG, or 6% across 5 model years.
Is the BMW X3 M Competition efficient for its class?
It ranks 126 of 130 in the Small Sport Utility Vehicle 4WD class on current figures, against a class average of 29.3 MPG. That is 12.3 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.