2020 BMW 840i xDrive Gran Coupe vs 2020 BMW I8 Coupe
| EPA figure | 2020 BMW 840i xDrive Gran Coupe | 2020 BMW I8 Coupe |
|---|---|---|
| Model year | 2020 | 2020 |
| Body · drive | Midsize · All-Wheel Drive · Gas | Subcompact · All-Wheel Drive · Plug-in hybrid |
| EPA range | — | 18 mi |
| Combined MPGe | — | 69 |
| Combined MPG | 23 | 27 |
| City / highway MPG | 20 / 27 | 26 / 29 |
| Fuel a year | $3,550 | $3,050 |
| Tailpipe CO₂ (g/mi) | 388 | 191 |
| Engine | 3.0 L 6-cyl turbo | 1.5 L 3-cyl turbo |
| Transmission | Automatic (S8) | Automatic 6-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.