Mazda · gas
Mazda Mazda3 fuel economy & road trip cost
The Mazda Mazda3 (2015–2025) is rated at 32 combined MPG with a 13.2 gallon tank, giving roughly 338 miles between stops once you keep a sensible reserve.
Combined MPG
32
Tank
13.2 gal
Usable range
338 mi
Cost per mile
$0.108
Gas cost per 100 miles in a Mazda Mazda3
| Pump price ($/gal) | 100 miles | 300 miles | Full tank |
|---|---|---|---|
| $3.00 | $9.38 | $28.13 | $39.60 |
| $3.50 | $10.94 | $32.81 | $46.20 |
| $4.00 | $12.50 | $37.50 | $52.80 |
| $4.50 | $14.06 | $42.19 | $59.40 |
| $5.00 | $15.63 | $46.88 | $66.00 |
Highway-heavy trips usually beat the combined rating; city traffic and roof loads reduce it.
Popular trips in a Mazda Mazda3
- Las Vegas to Phoenix · ~$33
- Las Vegas to Los Angeles · ~$29
- Los Angeles to San Francisco · ~$44
- Los Angeles to San Diego · ~$14
- Los Angeles to Las Vegas · ~$29
- San Francisco to Los Angeles · ~$44
- New York to Boston · ~$24
- New York to Washington · ~$26
- New York to Philadelphia · ~$10
- Chicago to Indianapolis · ~$21
- Chicago to Detroit · ~$30
- Chicago to St. Louis · ~$33
Other Mazda 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.