2020 BMW M4 CS vs 2020 BMW M850i xDrive Convertible
| EPA figure | 2020 BMW M4 CS | 2020 BMW M850i xDrive Convertible |
|---|---|---|
| Model year | 2020 | 2020 |
| Body · drive | Compact · Rear-Wheel Drive · Gas | Subcompact · All-Wheel Drive · Gas |
| Combined MPG | 19 | 20 |
| City / highway MPG | 17 / 23 | 17 / 25 |
| Fuel a year | $4,350 | $4,100 |
| Tailpipe CO₂ (g/mi) | 471 | 450 |
| Engine | 3.0 L 6-cyl turbo | 4.4 L 8-cyl turbo |
| Transmission | Automatic (AM-S7) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.