Real MPG: BMW 6 Series Convertible (2011 - 2018) 640i Automatic
Submit your Real MPG
35.8
Official MPG(NEDC)
26.0–28.0
Real MPG
27.0
Real MPGAverage
75%
of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 640d | 49.6–50.4 mpg | - | 38.0 mpg | 76% | |
| 640d Automatic | 50.4 mpg | - | 37.4 mpg | 74% | |
| 640i | 35.8–36.2 mpg | - | 28.9 mpg | 80% | |
| 650i | 30.7 mpg | - | - | - | |
| 650i Automatic | 26.4 mpg | - | - | - |
Read the Honest John review...
BMW 6 Series Convertible (2011 - 2018)
Incredibly smooth and refined. One of the best convertibles at minimising wind turbulance with the top down. Very well equipped as standard. Good ride quality.
Rivals
| BMW 6 Series Convertible (2011 - 2018) | 35.7 | avg mpg |
| Renault Wind (2010 - 2012) | 36.5 | avg mpg |
| Mercedes-Benz SL (2012 - 2020) | 31.0 | avg mpg |
| Mercedes-Benz E-Class Cabriolet (2010 - 2017) | 40.5 | avg mpg |
