2015 BMW 550i vs 2015 BMW 640i Coupe
| EPA figure | 2015 BMW 550i | 2015 BMW 640i Coupe |
|---|---|---|
| Model year | 2015 | 2015 |
| Body · drive | Midsize · Rear-Wheel Drive · Gas | Subcompact · Rear-Wheel Drive · Gas |
| Combined MPG | 20 | 25 |
| City / highway MPG | 17 / 25 | 21 / 31 |
| Fuel a year | $4,100 | $3,300 |
| Tailpipe CO₂ (g/mi) | 439 | 361 |
| Engine | 4.4 L 8-cyl turbo | 3.0 L 6-cyl turbo |
| Transmission | Automatic (S8) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.