Real MPG: BMW 6 Series Gran Turismo (2017 on)
Masses of comfort in a five-door fastback with looks, style and cabin space in abundance.
Not as sharp to drive as the 6 Series badge and coupe looks might suggest.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 620d | 57.6–58.8 mpg | - | 52.0 mpg | 89% | |
| 620d xDrive | 53.2–54.3 mpg | - | - | - | |
| 630d | 42.1–43.4 mpg | - | - | - | |
| 630d xDrive | 47.9–50.4 mpg | - | 39.7 mpg | 81% | |
| 630i | 51.4–53.3 mpg | 33.6–34.9 mpg | - | -* | |
| 640i xDrive | 34.4–34.8 mpg | - | - | - |
Read the Honest John review...
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BMW 6 Series Gran Turismo (2017 on)
Masses of comfort in a five-door fastback with looks, style and cabin space in abundance.
Rivals
| BMW 6 Series Gran Turismo (2017 on) | 41.5 | avg mpg |
| Volvo V90 (2016 on) | 42.3 | avg mpg |
| Mercedes-Benz E-Class Estate (2016 on) | 50.2 | avg mpg |
| Mercedes-Benz CLS (2018 on) | 42.6 | avg mpg |
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