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

Submit your Real MPG

35.8–36.2

Official MPG
(NEDC)

26.5–32.0

Real MPG

28.9

Real MPG
Average

80%

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	-	36.9 mpg	74%	Submit
640d Automatic	50.4 mpg	-	37.4 mpg	74%	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)	35.4	avg mpg
MINI Roadster (2012 - 2015)	40.9	avg mpg
Mercedes-Benz E-Class Cabriolet (2010 - 2017)	40.2	avg mpg
Renault Wind (2010 - 2012)	37.3	avg mpg