2025 BMW M340i Sedan vs 2027 Mercedes-Benz C300
| EPA figure | 2025 BMW M340i Sedan | 2027 Mercedes-Benz C300 |
|---|---|---|
| Model year | 2025 | 2027 |
| Body · drive | Compact · Rear-Wheel Drive · Hybrid | Compact · Rear-Wheel Drive · Hybrid |
| Combined MPG | 29 | 29 |
| City / highway MPG | 27 / 33 | 25 / 35 |
| Fuel a year | $2,850 | $2,850 |
| Tailpipe CO₂ (g/mi) | 299 | 307 |
| Engine | 3.0 L 4-cyl turbo | 2.0 L 4-cyl turbo |
| Transmission | Automatic (S8) | Automatic 9-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.