Real MPG: BMW 4 Series Convertible (2021 on) 420i Automatic
Submit your Real MPG
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Official MPG(NEDC)
40.4–41.5
Official MPG(WLTP)
43.0–45.0
Real MPG
43.7
Real MPGAverage
107%
of Official MPG(WLTP)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 420d Automatic | - | 55.4–57.6 mpg | - | -* | |
| 430d MHEV Automatic | - | 50.4–52.3 mpg | - | -* | |
| 430i Automatic | - | 38.7–40.4 mpg | - | -* | |
| M440d xDrive MHEV Automatic | - | 45.6 mpg | 47.5 mpg | 104%* | |
| M440i xDrive | - | 35.3 mpg | 38.8 mpg | 110%* |
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.
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