- Newest year: 2018
- Gas
- Small SUVs
2015-2018 BMW X4 MPG & Fuel Cost
4 model years · 21–23 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 1 of 10 small SUV configurations, MY2018. Ranked against all rated configurations, not sales-weighted.
2015-2018 BMW X4 at a glance
The 2015-2018 BMW X4 covers 4 model years in the EPA database (9 configurations in all), rated 21–23 MPG combined. The newest model year, 2018, costs about $3,510 a year to fuel for its most efficient version, the xDrive28i 2.0L 4-cyl turbo AWD (23 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2016, 2017 and 2018.
2015-2018 BMW X4 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2018 | Gas | 21–23 MPG | $3,510–$3,880 | Ratings changed |
| 2017 | Gas | 21–23 MPG | $3,550–$3,780 | Ratings changed |
| 2016 | Gas | 21–23 MPG | $3,550–$3,880 | Ratings changed |
| 2015 | Gas | 21–23 MPG | $3,510–$3,740 | First year |
What the 2018 xDrive28i 2.0L 4-cyl turbo AWD costs to drive
Per month
$293
$3,510 a year ÷ 12
Per 25 miles
$5.85
Per 100 miles
$23.40
Five years
$17,550
5 × the yearly cost, prices held at today's level
vs the small SUV median
$550more a year
Class median $2,960 a year, MY2018
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 BMW X4 MPG
Versus 2017: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,550 to $3,510, $40 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| xDrive28i (Most efficient) | 2.0L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,510 |
| M40i | 3.0L 6-cyl turbo | AWD | 18 | 25 | 21 | $3,880 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2017 BMW X4 MPG
21–23 MPG · $3,550–$3,780/yr
Versus 2016: The most efficient configuration stays at 23 MPG. Its annual cost stays at $3,550.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| xDrive28i (Most efficient) | 2.0L 4-cyl turbo | AWD | 20 | 27 | 23 | $3,550 |
| M40i | 3.0L 6-cyl turbo | AWD | 19 | 26 | 21 | $3,780 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2016 BMW X4 MPG
21–23 MPG · $3,550–$3,880/yr
Versus 2015: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,510 to $3,550, $40 more.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| xDrive28i (Most efficient) | 2.0L 4-cyl turbo | AWD | 20 | 27 | 23 | $3,550 |
| xDrive35i | 3.0L 6-cyl turbo | AWD | 19 | 26 | 21 | $3,750 |
| M40i | 3.0L 6-cyl turbo | AWD | 18 | 25 | 21 | $3,880 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2015 BMW X4 MPG
21–23 MPG · $3,510–$3,740/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| xDrive28i (Most efficient) | 2.0L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,510 |
| xDrive35i | 3.0L 6-cyl turbo | AWD | 19 | 26 | 21 | $3,740 |
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 xDrive28i 2.0L 4-cyl turbo AWD: $4,190 in California and $3,050 in Texas, a $1,140 difference.
- California $4,190
- Washington $3,940
- New York $3,470
- Florida $3,210
- Texas $3,050
Similar cars
Closest combined MPG among MY2018 small SUV models.
Generations
- 2015-2018 (F26)
- 2019-2025 (G02)
Frequently asked questions
What gas mileage does the 2015-2018 BMW X4 get?
EPA rates the 2015-2018 BMW X4 at 21–23 MPG combined across 9 configurations and 4 model years. The most efficient version, the 2018 xDrive28i 2.0L 4-cyl turbo AWD, is rated 23 MPG (20 city, 28 highway).
Which years had the best MPG in the 2015-2018 BMW X4?
Every model year of the 2015-2018 BMW X4 tops out at 23 MPG combined, so no year is better than another.
Did EPA ratings change during the 2015-2018 BMW X4?
Yes. Ratings changed in 2016, 2017 and 2018.
How much does it cost to fuel a 2018 BMW X4 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the xDrive28i 2.0L 4-cyl turbo AWD costs about $3,510 a year. Across all 2 configurations the cost runs $3,510–$3,880 a year. That is a $370 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2018 BMW X4 100 miles?
About $23.40 per 100 miles for the xDrive28i 2.0L 4-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $23.40 and $25.87 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2018 BMW X4 more efficient in the city or on the highway?
The xDrive28i 2.0L 4-cyl turbo AWD is rated 20 city and 28 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2018 BMW X4 compare with other small SUV configurations?
The xDrive28i 2.0L 4-cyl turbo AWD costs about $3,510 a year to fuel, $550 more than the class median of $2,960, and less than 1 of 10 small SUV configurations. The comparison covers all 223 rated small SUV configurations for MY2018, not weighted by sales.
Is the 2018 BMW X4 different from the 2017 model?
The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,550 to $3,510, $40 less. EPA lists 2 configurations for 2018 against 2 configurations for 2017. See the 2017 BMW X4 for that year.