BMW · Small SUVs · Hybrid
BMW X3 Hybrid: MPG and annual fuel cost, 2026
In model year 2026 the BMW X3 Hybrid is rated at 29 MPG combined, tied for 56th of 113 small SUVs, in the lower half.
- 29MPG combinedtied 56th of 113 in class
- $2,850a year in fueltied 83rd of 113 in class
- 299g/mile CO2
Where it stands
Compared only with the hybrid models of its class it is tied for 16th of 23 hybrid small SUVs, in the lower half. The median of that narrower group is 36 MPG, against 29 MPG for all small SUVs together.
Across every class it is tied for 39th of 88 hybrid models, in the upper half.
BMW has 23 models in the 2026 data. This one ranks 9th of them on combined rating, against a make median of 28 MPG.
In its class, just ahead of it is the Buick Encore at 30 MPG and just behind it is the BMW X1 at 28 MPG.
Fuel cost and CO2
At 15,000 miles a year with 55% of them in the city, with premium gasoline at $5.48 per gallon, the annual fuel bill of the most efficient version is about $2,850. That is $550 more than the small SUVs median of $2,300, which makes it tied for 83rd of 113 small SUVs, in the lower half.
Tailpipe CO2 is 299 g/mile, about level with the small SUVs median of 298 g/mile.
Rated versions
In the city the most efficient version is rated 27 and on the highway 33, 6 better on the open road. 2 versions are rated for 2026. The most efficient, X3 xDrive30: 2.0 L, 4 cyl hybrid, Automatic (S8), AWD, gets 29 MPG; the least efficient listed, X3 M50: 3.0 L, 6 cyl hybrid, Automatic (S8), AWD, gets 27 MPG, a gap of 2 MPG. With the file's assumptions that gap is worth about $200 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| X3 xDrive30: 2.0 L, 4 cyl hybrid, Automatic (S8), AWD | 29 | 27 | 33 | $2,850 | 299 |
| X3 M50: 3.0 L, 6 cyl hybrid, Automatic (S8), AWD | 27 | 25 | 30 | $3,050 | 320 |
Year by year
The BMW X3 Hybrid is in the data for 5 of the 8 model years from 2019 to 2026. Its best combined rating went from 23 in 2022 to 29 MPG in 2026, up 6 MPG. The number of rated versions grew from 1 to 2. Fuel cost for the best version is $2,850 in the latest data against $3,550 in 2022, although the file applies today's fuel prices to every model year, so that change comes from the rating, not from prices.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2026 | 2 | 29 | 27 | $2,850 | 299 | 29 |
| 2025 | 2 | 29 | 27 | $2,850 | 299 | 29 |
| 2024 | 1 | 23 | 23 | $3,550 | 378 | 28 |
| 2023 | 1 | 23 | 23 | $3,550 | 378 | 27 |
| 2022 | 1 | 23 | 23 | $3,550 | 379 | 26 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Subaru Crosstrek | Gasoline | 29 | $2,300 | 2026 |
| Volkswagen Tiguan | Gasoline | 29 | $2,300 | 2026 |
| Lincoln Nautilus Hybrid | Hybrid | 30 | $2,250 | 2026 |
| Mercedes-Benz GLB-Class Hybrid | Hybrid | 28 | $2,950 | 2026 |
| Mitsubishi Outlander Hybrid | Hybrid | 28 | $2,400 | 2026 |
Rated almost identically and covered by this page:
- Mercedes-Benz GLA-Class Hybrid 29 MPG, $2,850 a year, 3 versions, last rated 2026
Compare and rank
Rankings: Small SUVs, Hybrid, BMW, Hybrid small SUVs.
Data: US EPA and DOE, as prepared in methods and data.