2021 Mazda 3 4-Door 4WD vs 2021 Mazda 6
| EPA figure | 2021 Mazda 3 4-Door 4WD | 2021 Mazda 6 |
|---|---|---|
| Model year | 2021 | 2021 |
| Body · drive | Compact · 4-Wheel Drive · Gas | Midsize · Front-Wheel Drive · Gas |
| Combined MPG | 27 | 26 |
| City / highway MPG | 23 / 32 | 23 / 31 |
| Fuel a year | $2,500 | $2,600 |
| Tailpipe CO₂ (g/mi) | 334 | 335 |
| Engine | 2.5 L 4-cyl turbo | 2.5 L 4-cyl turbo |
| Transmission | Automatic (S6) | Automatic (S6) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.