2012 BMW Alpina B7 SWB vs 2012 BMW M6 Convertible
| EPA figure | 2012 BMW Alpina B7 SWB | 2012 BMW M6 Convertible |
|---|---|---|
| Model year | 2012 | 2012 |
| Body · drive | Large · Rear-Wheel Drive · Gas | Compact · Rear-Wheel Drive · Gas |
| Combined MPG | 17 | 16 |
| City / highway MPG | 14 / 22 | 14 / 20 |
| Fuel a year | $4,850 | $5,150 |
| Tailpipe CO₂ (g/mi) | 523 | 555 |
| Engine | 4.4 L 8-cyl turbo | 4.4 L 8-cyl turbo |
| Transmission | Automatic (S6) | Automatic (S7) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.