Real MPG: BMW 4 Series (2020 on)
Most affordable 420i is possibly the best 4 Series on sale. Incredible to drive. Superb interior. Feels more special than a 3 Series.
Its bold looks aren't to everyone's tastes. Prices start from around £40,000.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 420d Automatic | - | 55.4–61.4 mpg | - | -* | |
| 420i Automatic | - | 42.2–44.1 mpg | - | -* | |
| 420i xDrive Automatic | - | 40.4–41.5 mpg | - | -* | |
| 430d MHEV xDrive Automatic | - | 51.4–52.3 mpg | - | -* | |
| 430i Automatic | - | 40.4–42.2 mpg | - | -* | |
| M440d MHEV xDrive Automatic | - | 47.9 mpg | - | -* | |
| M440i xDrive | - | 36.7 mpg | - | -* |
Read the Honest John review...
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BMW 4 Series (2020 on)
Most affordable 420i is possibly the best 4 Series on sale. Incredible to drive. Superb interior. Feels more special than a 3 Series.
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