BMW 328d xDrive
34 MPG The 2018 BMW 328d xDrive is EPA-rated at 34 MPG combined (30 city / 40 highway). Over 15,000 miles a year that is about 441 gallons, $1412 a year in fuel, or $0.094 per mile at $3.20/gal.
Across its full 2014–2018 run it averages 34 MPG, essentially flat across 5 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 | $0.074 | $735 | $1103 | $1471 |
| $3.00/gal | $0.088 | $882 | $1324 | $1765 |
| $3.20/gal | $0.094 | $941 | $1412 | $1882 |
| $3.50/gal | $0.103 | $1029 | $1544 | $2059 |
| $4.00/gal | $0.118 | $1176 | $1765 | $2353 |
| $4.50/gal | $0.132 | $1324 | $1985 | $2647 |
| $5.00/gal | $0.147 | $1471 | $2206 | $2941 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2018 | 34 MPG | 30 | 40 | $2300 | 303 | 1 |
| 2017 | 34 MPG | 30 | 40 | $2300 | 303 | 1 |
| 2016 | 34 MPG | 30 | 40 | $2300 | 299 | 1 |
| 2015 | 34 MPG | 31 | 41 | $2300 | 294 | 1 |
| 2014 | 34 MPG | 31 | 41 | $2300 | 295 | 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 227 compact cars models tracked here, the BMW 328d xDrive ranks 22 on current figures, against a class average of 26.6 MPG.
Closest more-efficient alternatives in the same class: Mazda 2 (34.5), Toyota Yaris (34.5), Toyota Corolla Hatchback (35), BMW 328d (36), Hyundai Accent (36).
Tailpipe CO₂ is rated at 303 grams per mile, which works out to roughly 4.5 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW 328d xDrive get?
The 2018 BMW 328d xDrive is rated at 34 MPG combined by the EPA — 30 city and 40 highway. Across all 5 model years in the database it averages 34 MPG, ranging from 34 to 34 depending on year and trim.
How much does a BMW 328d xDrive cost in fuel per year?
At 34 MPG and 15,000 miles a year, it burns about 441 gallons — roughly $1412 a year with fuel at $3.20 a gallon, or $0.094 per mile. The EPA's own published annual figure for the 2018 model is $2300.
Has the BMW 328d xDrive become more efficient over time?
Barely. It sits at 34 MPG today against 34 in 2014 — essentially flat across 5 model years, with efficiency gains offset by weight and power creep.
Is the BMW 328d xDrive efficient for its class?
It ranks 22 of 227 in the Compact Cars class on current figures, against a class average of 26.6 MPG. That is 7.4 better 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.