2015 BMW M4 Convertible vs 2015 BMW M6 Convertible
| EPA figure | 2015 BMW M4 Convertible | 2015 BMW M6 Convertible |
|---|---|---|
| Model year | 2015 | 2015 |
| Body · drive | Subcompact · Rear-Wheel Drive · Gas | Subcompact · Rear-Wheel Drive · Gas |
| Combined MPG | 20 | 17 |
| City / highway MPG | 17 / 26 | 15 / 22 |
| Fuel a year | $4,100 | $4,850 |
| Tailpipe CO₂ (g/mi) | 440 | 516 |
| Engine | 3.0 L 6-cyl turbo | 4.4 L 8-cyl turbo |
| Transmission | Manual 6-spd | Manual 6-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.