BMW X3 xDrive30i
29 MPG The 2025 BMW X3 xDrive30i is EPA-rated at 29 MPG combined (27 city / 33 highway). Over 15,000 miles a year that is about 517 gallons, $1655 a year in fuel, or $0.110 per mile at $3.20/gal.
Across its full 2009–2025 run it averages 24.1 MPG, improving by 9.5 MPG over 10 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 | $0.086 | $862 | $1293 | $1724 |
| $3.00/gal | $0.103 | $1034 | $1552 | $2069 |
| $3.20/gal | $0.110 | $1103 | $1655 | $2207 |
| $3.50/gal | $0.121 | $1207 | $1810 | $2414 |
| $4.00/gal | $0.138 | $1379 | $2069 | $2759 |
| $4.50/gal | $0.155 | $1552 | $2328 | $3103 |
| $5.00/gal | $0.172 | $1724 | $2586 | $3448 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2025 | 29 MPG | 27 | 33 | $2650 | 299 | 1 |
| 2024 | 24 MPG | 21 | 28 | $3200 | 369 | 1 |
| 2023 | 24 MPG | 21 | 28 | $3200 | 369 | 1 |
| 2022 | 24 MPG | 21 | 28 | $3200 | 370 | 1 |
| 2021 | 25 MPG | 23 | 29 | $3100 | 351 | 1 |
| 2020 | 26 MPG | 24 | 29 | $2950 | 345 | 1 |
| 2019 | 25 MPG | 22 | 29 | $3100 | 360 | 1 |
| 2018 | 25 MPG | 22 | 29 | $3100 | 359 | 1 |
| 2010 | 19.5 MPG | 17 | 24 | $3950 | 456 | 2 |
| 2009 | 19.5 MPG | 16.5 | 23.5 | $3950 | 456 | 2 |
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 xDrive30i ranks 25 on current figures, against a class average of 29.2 MPG.
Closest more-efficient alternatives in the same class: Toyota RAV4 AWD LE (30), Lexus NX 300h AWD (31), Nissan Rogue AWD (31), Nissan Rogue AWD SL/Platinum (31), Honda CR-V AWD (33).
Tailpipe CO₂ is rated at 299 grams per mile, which works out to roughly 4.5 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW X3 xDrive30i get?
The 2025 BMW X3 xDrive30i is rated at 29 MPG combined by the EPA — 27 city and 33 highway. Across all 10 model years in the database it averages 24.1 MPG, ranging from 19 to 29 depending on year and trim.
How much does a BMW X3 xDrive30i cost in fuel per year?
At 29 MPG and 15,000 miles a year, it burns about 517 gallons — roughly $1655 a year with fuel at $3.20 a gallon, or $0.110 per mile. The EPA's own published annual figure for the 2025 model is $2650.
Has the BMW X3 xDrive30i become more efficient over time?
Yes. It has gone from 19.5 MPG in 2009 to 29 in 2025 — an improvement of 9.5 MPG, or 49% across 10 model years.
Is the BMW X3 xDrive30i efficient for its class?
It ranks 25 of 130 in the Small Sport Utility Vehicle 4WD class on current figures, against a class average of 29.2 MPG. That is 0.2 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.