BMW · gas
BMW 3 Series fuel economy & road trip cost
The BMW 3 Series (2015–2025) is rated at 29 combined MPG with a 15.6 gallon tank, giving roughly 362 miles between stops once you keep a sensible reserve.
Combined MPG
29
Tank
15.6 gal
Usable range
362 mi
Cost per mile
$0.119
Gas cost per 100 miles in a BMW 3 Series
| Pump price ($/gal) | 100 miles | 300 miles | Full tank |
|---|---|---|---|
| $3.00 | $10.34 | $31.03 | $46.80 |
| $3.50 | $12.07 | $36.21 | $54.60 |
| $4.00 | $13.79 | $41.38 | $62.40 |
| $4.50 | $15.52 | $46.55 | $70.20 |
| $5.00 | $17.24 | $51.72 | $78.00 |
Highway-heavy trips usually beat the combined rating; city traffic and roof loads reduce it.
Popular trips in a BMW 3 Series
- Las Vegas to Phoenix · ~$36
- Las Vegas to Los Angeles · ~$32
- Los Angeles to San Francisco · ~$49
- Los Angeles to San Diego · ~$16
- Los Angeles to Las Vegas · ~$32
- San Francisco to Los Angeles · ~$49
- New York to Boston · ~$27
- New York to Washington · ~$29
- New York to Philadelphia · ~$11
- Chicago to Indianapolis · ~$23
- Chicago to Detroit · ~$33
- Chicago to St. Louis · ~$37
Other BMW models
Fuel figures on this page are modelled estimates built from published EPA combined MPG ratings and curated regional pump-price baselines. They are not live station quotes — always confirm the price at the pump before you travel.