Real MPG: BMW 4 Series Convertible (2021 on) 420d Automatic

Submit your Real MPG




Submit
-
Official MPG
(NEDC)
55.4–57.6
Official MPG
(WLTP)
-
Real MPG
-
Real MPG
Average
-
of Official MPG
(WLTP)

More engines available for this model:

Engine Official MPG (NEDC) Official MPG (WLTP) Real MPG Avg. Real MPG %  
420i Automatic - 40.4–41.5 mpg 43.7 mpg 107%* Submit
430d MHEV Automatic - 50.4–52.3 mpg - -* Submit
430i Automatic - 38.7–40.4 mpg - -* Submit
M440d xDrive MHEV Automatic - 45.6 mpg 47.5 mpg 104%* Submit
M440i xDrive - 35.3 mpg 38.8 mpg 110%* Submit
*Based on WLTP MPG values

Read the Honest John review...

BMW 4 Series Convertible (2021 on)

Excellent all-round comfort. Great performance in the M440i and M4. Surprisingly practical for a four-seat convertible.