2026 Mazda 3 5-Door 2WD vs 2027 Kia K4
| EPA figure | 2026 Mazda 3 5-Door 2WD | 2027 Kia K4 |
|---|---|---|
| Model year | 2026 | 2027 |
| Body · drive | Midsize · Front-Wheel Drive · Gas | Midsize · Front-Wheel Drive · Gas |
| Combined MPG | 29 | 28 |
| City / highway MPG | 26 / 34 | 26 / 33 |
| Fuel a year | $2,300 | $2,400 |
| Tailpipe CO₂ (g/mi) | 302 | 314 |
| Engine | 2.5 L 4-cyl | 1.6 L 4-cyl turbo |
| Transmission | Automatic (S6) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.