2018 BMW 650i Convertible vs 2018 BMW 740i xDrive
| EPA figure | 2018 BMW 650i Convertible | 2018 BMW 740i xDrive |
|---|---|---|
| Model year | 2018 | 2018 |
| Body · drive | Subcompact · Rear-Wheel Drive · Gas | Large · All-Wheel Drive · Gas |
| Combined MPG | 20 | 23 |
| City / highway MPG | 17 / 25 | 20 / 29 |
| Fuel a year | $4,100 | $3,550 |
| Tailpipe CO₂ (g/mi) | 449 | 382 |
| 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.