2021 Mazda 6 — 2.5L 4-cyl, S6 automatic, FWD
This 2021 Mazda 6 (2.5L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR
29
MPG combined (26 city / 35 hwy)
$2,150
est. fuel cost / year (EPA, 15k mi)
302 g/mi
tailpipe CO₂
Other 2021 Mazda 6 trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.5L 4-cyl, S6 automatic, FWD | REGULAR | 26 | $2,400 |
EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.