2020 BMW M340i vs 2020 BMW M4 Convertible Competition
| EPA figure | 2020 BMW M340i | 2020 BMW M4 Convertible Competition |
|---|---|---|
| Model year | 2020 | 2020 |
| Body · drive | Compact · Rear-Wheel Drive · Gas | Subcompact · Rear-Wheel Drive · Gas |
| Combined MPG | 25 | 20 |
| City / highway MPG | 22 / 30 | 17 / 25 |
| Fuel a year | $3,300 | $4,100 |
| Tailpipe CO₂ (g/mi) | 353 | 450 |
| Engine | 3.0 L 6-cyl turbo | 3.0 L 6-cyl turbo |
| Transmission | Automatic (S8) | Manual 6-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.