BMW X3 sDrive30i
25 MPG The 2024 BMW X3 sDrive30i is EPA-rated at 25 MPG combined (23 city / 29 highway). Over 15,000 miles a year that is about 600 gallons, $1920 a year in fuel, or $0.128 per mile at $3.20/gal.
Across its full 2019–2024 run it averages 25.8 MPG, falling by 1 MPG over 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 | $0.100 | $1000 | $1500 | $2000 |
| $3.00/gal | $0.120 | $1200 | $1800 | $2400 |
| $3.20/gal | $0.128 | $1280 | $1920 | $2560 |
| $3.50/gal | $0.140 | $1400 | $2100 | $2800 |
| $4.00/gal | $0.160 | $1600 | $2400 | $3200 |
| $4.50/gal | $0.180 | $1800 | $2700 | $3600 |
| $5.00/gal | $0.200 | $2000 | $3000 | $4000 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2024 | 25 MPG | 23 | 29 | $3100 | 352 | 1 |
| 2023 | 25 MPG | 23 | 29 | $3100 | 352 | 1 |
| 2022 | 25 MPG | 23 | 29 | $3100 | 352 | 1 |
| 2021 | 27 MPG | 25 | 29 | $2850 | 332 | 1 |
| 2020 | 27 MPG | 25 | 29 | $2850 | 332 | 1 |
| 2019 | 26 MPG | 23 | 30 | $2950 | 344 | 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 74 small sport utility vehicle 2wd models tracked here, the BMW X3 sDrive30i ranks 45 on current figures, against a class average of 34.8 MPG.
Closest more-efficient alternatives in the same class: Buick Envision FWD (26), Cadillac XT4 FWD (26), GMC Terrain FWD (26), Infiniti QX50 (26), Mitsubishi Eclipse Cross 2WD (26).
Tailpipe CO₂ is rated at 352 grams per mile, which works out to roughly 5.3 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW X3 sDrive30i get?
The 2024 BMW X3 sDrive30i is rated at 25 MPG combined by the EPA — 23 city and 29 highway. Across all 6 model years in the database it averages 25.8 MPG, ranging from 25 to 27 depending on year and trim.
How much does a BMW X3 sDrive30i cost in fuel per year?
At 25 MPG and 15,000 miles a year, it burns about 600 gallons — roughly $1920 a year with fuel at $3.20 a gallon, or $0.128 per mile. The EPA's own published annual figure for the 2024 model is $3100.
Has the BMW X3 sDrive30i become more efficient over time?
No — it has actually gone backwards, from 26 MPG in 2019 to 25 in 2024. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the BMW X3 sDrive30i efficient for its class?
It ranks 45 of 74 in the Small Sport Utility Vehicle 2WD class on current figures, against a class average of 34.8 MPG. That is 9.8 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.