Real MPG: BMW 6 Series Convertible (2011 - 2018) 640d

Submit your Real MPG

49.6–50.4

Official MPG
(NEDC)

28.3–42.9

Real MPG

36.9

Real MPG
Average

74%

of Official MPG
(NEDC)

More engines available for this model:

Engine	Official MPG (NEDC)	Official MPG (WLTP)	Real MPG Avg.	Real MPG %
640d Automatic	50.4 mpg	-	37.1 mpg	74%	Submit
640i	35.8–36.2 mpg	-	28.9 mpg	80%	Submit
640i Automatic	35.8 mpg	-	28.7 mpg	80%	Submit
650i	30.7 mpg	-	-	-	Submit
650i Automatic	26.4 mpg	-	20.8 mpg	79%	Submit

*Based on WLTP MPG values

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)	35.3	avg mpg
Renault Wind (2010 - 2012)	36.8	avg mpg
Mercedes-Benz SL (2012 - 2020)	29.6	avg mpg
Volvo C70 (2010 - 2013)	39.0	avg mpg