- Newest year: 2026
- Hybrid
- Small SUVs
2025-2026 BMW X3 MPG & Fuel Cost
2 model years · 27–29 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 3 of 10 small SUV configurations, MY2026. Ranked against all rated configurations, not sales-weighted.
2025-2026 BMW X3 at a glance
The 2025-2026 BMW X3 covers 2 model years in the EPA database (4 configurations in all), rated 27–29 MPG combined. The newest model year, 2026, costs about $2,750 a year to fuel for its most efficient version, the xDrive30 2.0L 4-cyl turbo AWD (29 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2026.
2025-2026 BMW X3 by model year
What the 2026 xDrive30 2.0L 4-cyl turbo AWD costs to drive
Per month
$229
$2,750 a year ÷ 12
Per 25 miles
$4.58
Per 100 miles
$18.33
Five years
$13,750
5 × the yearly cost, prices held at today's level
vs the small SUV median
$500more a year
Class median $2,250 a year, MY2026
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2026 BMW X3 MPG
Versus 2025: The most efficient configuration stays at 29 MPG. Its annual cost stays at $2,750.
Hybrid configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| xDrive30 (Most efficient) | 2.0L 4-cyl turbo | AWD | 27 | 33 | 29 | $2,750 |
| M50 | 3.0L 6-cyl turbo | AWD | 25 | 30 | 27 | $2,940 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 BMW X3 MPG
27–29 MPG · $2,750–$2,940/yr
Hybrid configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| xDrive30i (Most efficient) | 2.0L 4-cyl turbo | AWD | 27 | 33 | 29 | $2,750 |
| M50i xDrive | 3.0L 4-cyl turbo | AWD | 25 | 30 | 27 | $2,940 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the xDrive30 2.0L 4-cyl turbo AWD: $3,280 in California and $2,390 in Texas, a $890 difference.
- California $3,280
- Washington $3,080
- New York $2,720
- Florida $2,510
- Texas $2,390
Similar cars
Closest combined MPG among MY2026 small SUV models.
Generations
- 2004-2010 (E83)
- 2011-2017 (F25)
- 2018-2024 (G01)
- 2025-2026 (G45)
Frequently asked questions
What gas mileage does the 2025-2026 BMW X3 get?
EPA rates the 2025-2026 BMW X3 at 27–29 MPG combined across 4 configurations and 2 model years. The most efficient version, the 2026 xDrive30 2.0L 4-cyl turbo AWD, is rated 29 MPG (27 city, 33 highway).
Which years had the best MPG in the 2025-2026 BMW X3?
Every model year of the 2025-2026 BMW X3 tops out at 29 MPG combined, so no year is better than another.
Did EPA ratings change during the 2025-2026 BMW X3?
Yes. Ratings changed in 2026.
How does the 2025-2026 BMW X3 compare with the previous generation?
The previous generation (2018-2024 BMW X3) is rated 16–27 MPG combined and costs $2,610–$4,970 a year to fuel; the 2025-2026 model is rated 27–29 MPG and costs $2,750–$2,940 a year.
How much does it cost to fuel a 2026 BMW X3 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the xDrive30 2.0L 4-cyl turbo AWD costs about $2,750 a year. Across all 2 configurations the cost runs $2,750–$2,940 a year. That is a $190 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2026 BMW X3 100 miles?
About $18.33 per 100 miles for the xDrive30 2.0L 4-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $18.33 and $19.60 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2026 BMW X3 more efficient in the city or on the highway?
The xDrive30 2.0L 4-cyl turbo AWD is rated 27 city and 33 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2026 BMW X3 compare with other small SUV configurations?
The xDrive30 2.0L 4-cyl turbo AWD costs about $2,750 a year to fuel, $500 more than the class median of $2,250, and less than 3 of 10 small SUV configurations. The comparison covers all 296 rated small SUV configurations for MY2026, not weighted by sales.
Is the 2026 BMW X3 different from the 2025 model?
The most efficient configuration stays at 29 MPG. Its annual cost stays at $2,750. EPA lists 2 configurations for 2026 against 2 configurations for 2025. See the 2025 BMW X3 for that year.