2026 BMW M340i xDrive Sedan vs 2026 Mazda 3 4-Door 4WD
| EPA figure | 2026 BMW M340i xDrive Sedan | 2026 Mazda 3 4-Door 4WD |
|---|---|---|
| Model year | 2026 | 2026 |
| Body · drive | Compact · All-Wheel Drive · Hybrid | Compact · 4-Wheel Drive · Gas |
| Combined MPG | 29 | 29 |
| City / highway MPG | 26 / 33 | 26 / 34 |
| Fuel a year | $2,850 | $2,300 |
| Tailpipe CO₂ (g/mi) | 304 | 306 |
| Engine | 3.0 L 6-cyl turbo | 2.5 L 4-cyl |
| Transmission | Automatic (S8) | Automatic (S6) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.