2017 BMW 540i vs 2017 BMW 640i Coupe
| EPA figure | 2017 BMW 540i | 2017 BMW 640i Coupe |
|---|---|---|
| Model year | 2017 | 2017 |
| Body · drive | Midsize · Rear-Wheel Drive · Gas | Subcompact · Rear-Wheel Drive · Gas |
| Combined MPG | 24 | 24 |
| City / highway MPG | 20 / 30 | 21 / 30 |
| Fuel a year | $3,400 | $3,400 |
| Tailpipe CO₂ (g/mi) | 374 | 368 |
| Engine | 3.0 L 6-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.