BMW X4 xDrive30i
24 MPG The 2025 BMW X4 xDrive30i is EPA-rated at 24 MPG combined (21 city / 27 highway). Over 15,000 miles a year that is about 625 gallons, $2000 a year in fuel, or $0.133 per mile at $3.20/gal.
Across its full 2019–2025 run it averages 24.4 MPG, falling by 1 MPG over 7 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 | $0.104 | $1042 | $1563 | $2083 |
| $3.00/gal | $0.125 | $1250 | $1875 | $2500 |
| $3.20/gal | $0.133 | $1333 | $2000 | $2667 |
| $3.50/gal | $0.146 | $1458 | $2188 | $2917 |
| $4.00/gal | $0.167 | $1667 | $2500 | $3333 |
| $4.50/gal | $0.188 | $1875 | $2813 | $3750 |
| $5.00/gal | $0.208 | $2083 | $3125 | $4167 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2025 | 24 MPG | 21 | 27 | $3200 | 372 | 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 | 25 MPG | 23 | 28 | $3100 | 356 | 1 |
| 2019 | 25 MPG | 22 | 29 | $3100 | 360 | 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 X4 xDrive30i ranks 65 on current figures, against a class average of 29.3 MPG.
Closest more-efficient alternatives in the same class: Buick Envision AWD (25), Cadillac XT4 AWD (25), Ford Bronco Sport 4WD (25), Ford EcoSport AWD (25), GMC Terrain AWD (25).
Tailpipe CO₂ is rated at 372 grams per mile, which works out to roughly 5.6 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW X4 xDrive30i get?
The 2025 BMW X4 xDrive30i is rated at 24 MPG combined by the EPA — 21 city and 27 highway. Across all 7 model years in the database it averages 24.4 MPG, ranging from 24 to 25 depending on year and trim.
How much does a BMW X4 xDrive30i cost in fuel per year?
At 24 MPG and 15,000 miles a year, it burns about 625 gallons — roughly $2000 a year with fuel at $3.20 a gallon, or $0.133 per mile. The EPA's own published annual figure for the 2025 model is $3200.
Has the BMW X4 xDrive30i become more efficient over time?
No — it has actually gone backwards, from 25 MPG in 2019 to 24 in 2025. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the BMW X4 xDrive30i efficient for its class?
It ranks 65 of 130 in the Small Sport Utility Vehicle 4WD class on current figures, against a class average of 29.3 MPG. That is 5.3 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.