Real MPG: BMW 8 Series Gran Coupe (2019 on)
Substantially more practical than two-door 8 Series Coupe, longer body has no impact on ride or handling, generous levels of technology on all models.
Taller passengers may struggle with headroom in the rear, boot is smaller than traditional saloon rivals, cost of running the M850i could become ruinous.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 840d xDrive | - | 38.2–42.8 mpg | - | -* | |
| 840i | - | 33.2–33.6 mpg | 32.2 mpg | 96%* | |
| M850i | - | 25.9–26.4 mpg | - | -* |
Read the Honest John review...
BMW 8 Series Gran Coupe (2019 on)
Substantially more practical than two-door 8 Series Coupe, longer body has no impact on ride or handling, generous levels of technology on all models.
Rivals
| BMW 8 Series Gran Coupe (2019 on) | 32.2 | avg mpg |
| Audi A7 Sportback (2018 on) | 39.1 | avg mpg |
| Mercedes-Benz CLS (2018 - 2023) | 42.2 | avg mpg |
| Audi Q8 (2018 on) | 36.1 | avg mpg |
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