Real MPG: 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.
Other convertibles at this level have a folding hard-top roof.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 640d | 49.6–50.4 mpg | - | 36.9 mpg | 74% | |
| 640d Automatic | 50.4 mpg | - | 37.1 mpg | 74% | |
| 640i | 35.8–36.2 mpg | - | 28.9 mpg | 80% | |
| 640i Automatic | 35.8 mpg | - | 28.7 mpg | 80% | |
| 650i | 30.7 mpg | - | - | - | |
| 650i Automatic | 26.4 mpg | - | 20.8 mpg | 79% |
Read the Honest John review...
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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) | 35.3 | avg mpg |
| Mercedes-Benz E-Class Cabriolet (2010 - 2017) | 40.2 | avg mpg |
| Volvo C70 (2010 - 2013) | 39.0 | avg mpg |
| MINI Roadster (2012 - 2015) | 40.8 | avg mpg |
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