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2021 BMW 4 Series fuel consumption
4 versions rated. Official figures from the Australian Government’s Green Vehicle Guide.
Fuel use, combined
6.5–6.6 L/100km
lower is better
Cost to run a year
$1,119–$1,931
at 14,000km
CO₂ from the exhaust
149–151 g/km
per kilometre
Uses 18% less fuel than the typical 2021 car, which averaged 7.9 L/100km.
Every 2021 BMW 4 Series version
| Version | Engine | Fuel use | City | Highway | Cost/year | CO₂ |
|---|---|---|---|---|---|---|
| 420i Gran Coupe Sedan Auto | 2L 4cyl Turbo Petrol 98RON | 6.5 | 7.9 | 5.8 | $1,902 | 149 Better than average |
| 430i Gran Coupe Sedan Auto | 2L 4cyl Turbo Petrol 98RON | 6.6 | 8.1 | 5.8 | $1,931 | 151 Slightly better than average |
| i4 eDrive40 Sedan Auto | Pure Electric | – | – | – | $1,119 | – Better than average |
| i4 M50 Sedan Auto | Pure Electric | – | – | – | $1,290 | – Better than average |
BMW 4 Series in other years
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Figures come from a standardised laboratory test, so every car is measured the same way. Your own fuel use will differ with traffic, load, tyre pressure and how you drive. Running costs assume 14,000km a year at recent average fuel prices.