BMW 330i Sedan
31 MPG The 2026 BMW 330i Sedan is EPA-rated at 31 MPG combined (28 city / 35 highway). Over 15,000 miles a year that is about 484 gallons, $1548 a year in fuel, or $0.103 per mile at $3.20/gal.
Across its full 2022–2026 run it averages 30 MPG, improving by 1 MPG over 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 | $0.081 | $806 | $1210 | $1613 |
| $3.00/gal | $0.097 | $968 | $1452 | $1935 |
| $3.20/gal | $0.103 | $1032 | $1548 | $2065 |
| $3.50/gal | $0.113 | $1129 | $1694 | $2258 |
| $4.00/gal | $0.129 | $1290 | $1935 | $2581 |
| $4.50/gal | $0.145 | $1452 | $2177 | $2903 |
| $5.00/gal | $0.161 | $1613 | $2419 | $3226 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2026 | 31 MPG | 28 | 35 | $2500 | 286 | 1 |
| 2025 | 31 MPG | 28 | 35 | $2500 | 286 | 1 |
| 2024 | 29 MPG | 25 | 34 | $2650 | 308 | 1 |
| 2023 | 29 MPG | 25 | 34 | $2650 | 308 | 1 |
| 2022 | 30 MPG | 26 | 36 | $2550 | 298 | 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 330i Sedan ranks 30 on current figures, against a class average of 26.6 MPG.
Closest more-efficient alternatives in the same class: Honda Civic 2Dr (32), Toyota Echo (32), Nissan Versa (32.5), Volkswagen Golf (32.5), Toyota Corolla Hatchback XSE (33).
Tailpipe CO₂ is rated at 286 grams per mile, which works out to roughly 4.3 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW 330i Sedan get?
The 2026 BMW 330i Sedan is rated at 31 MPG combined by the EPA — 28 city and 35 highway. Across all 5 model years in the database it averages 30 MPG, ranging from 29 to 31 depending on year and trim.
How much does a BMW 330i Sedan cost in fuel per year?
At 31 MPG and 15,000 miles a year, it burns about 484 gallons — roughly $1548 a year with fuel at $3.20 a gallon, or $0.103 per mile. The EPA's own published annual figure for the 2026 model is $2500.
Has the BMW 330i Sedan become more efficient over time?
Yes. It has gone from 30 MPG in 2022 to 31 in 2026 — an improvement of 1 MPG, or 3% across 5 model years.
Is the BMW 330i Sedan efficient for its class?
It ranks 30 of 227 in the Compact Cars class on current figures, against a class average of 26.6 MPG. That is 4.4 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.