BMW · Small SUVs · Gasoline
BMW X4: MPG and annual fuel cost, 2025
The BMW X4 was last rated in the data for model year 2025, at 24 MPG combined, tied for 15th of 20 small SUVs, in the bottom quarter.
- 24MPG combinedtied 15th of 20 in class
- $3,400a year in fueltied 17th of 20 in class
- 372g/mile CO2
Where it stands
Compared only with the gasoline models of its class it is tied for 5th of 8 gasoline small SUVs, in the lower half. The median of that narrower group is 24.5 MPG, against 26 MPG for all small SUVs together.
Across every class it is tied for 12th of 24 gasoline models, in the lower half.
In its class, just ahead of it is the Infiniti QX55 at 25 MPG and just behind it is the BMW X4 Hybrid at 23 MPG.
Fuel cost and CO2
The file prices the fuel for its most efficient version at about $3,400 a year, assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon. That is $475 more than the small SUVs median of $2,925, which makes it tied for 17th of 20 small SUVs, in the bottom quarter.
Tailpipe CO2 is 372 g/mile, 52 g/mile above the small SUVs median of 319.5.
Rated versions
In the city the most efficient version is rated 21 and on the highway 27, 6 better on the open road. 3 versions are rated for 2025. The most efficient, X4 xDrive30i: 2.0 L, 4 cyl, Automatic (S8), AWD, gets 24 MPG; the least efficient listed, X4 M: 3.0 L, 6 cyl, Automatic (S8), AWD, gets 17 MPG, a gap of 7 MPG. With the file's assumptions that gap is worth about $1,450 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| X4 xDrive30i: 2.0 L, 4 cyl, Automatic (S8), AWD | 24 | 21 | 27 | $3,400 | 372 |
| X4 M Competition: 3.0 L, 6 cyl, Automatic (S8), AWD | 17 | 15 | 20 | $4,850 | 519 |
| X4 M: 3.0 L, 6 cyl, Automatic (S8), AWD | 17 | 15 | 20 | $4,850 | 519 |
Year by year
The BMW X4 is in the data for 7 of the 8 model years from 2019 to 2026. Its best combined rating went from 25 in 2019 to 24 MPG in 2025, down 1 MPG. The number of rated versions grew from 2 to 3. Fuel cost for the best version is $3,400 in the latest data against $3,300 in 2019, 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 |
|---|---|---|---|---|---|---|
| 2025 | 3 | 24 | 17 | $3,400 | 372 | 29 |
| 2024 | 3 | 24 | 17 | $3,400 | 369 | 28 |
| 2023 | 3 | 24 | 17 | $3,400 | 369 | 27 |
| 2022 | 3 | 24 | 17 | $3,400 | 370 | 26 |
| 2021 | 4 | 25 | 16 | $3,300 | 351 | 26 |
| 2020 | 4 | 25 | 16 | $3,300 | 356 | 26 |
| 2019 | 2 | 25 | 23 | $3,300 | 360 | 26 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Maserati Grecale Hybrid | Hybrid | 24 | $3,400 | 2025 |
| Cadillac XT6 | Gasoline | 23 | $3,550 | 2025 |
| Infiniti QX55 | Gasoline | 25 | $3,300 | 2025 |
| BMW X4 Hybrid | Hybrid | 23 | $3,550 | 2025 |
| Cadillac XT4 | Gasoline | 26 | $3,150 | 2025 |
Compare and rank
Rankings: Small SUVs.
Data: US EPA and DOE, as prepared in methods and data.