Both cars are available with petrol and diesel engines. BMW 5 series is available also with hybrid engines. Hybrid engines offer superior fuel efficiency and reduced emissions compared to conventional engine types.
BMW 4 series petrol engines consumes on average 1 litres less fuel per 100 km than BMW 5 series. On average, BMW 4 series equipped with diesel engines consume 0.7 litres less fuel per 100 km than the BMW 5 series. This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!
BMW 4 series is smaller. BMW 4 series is 30 cm shorter than the BMW 5 series, 4 cm narrower, while the height of BMW 4 series is 10 cm lower.
Trunk capacity:
445 litres
530 litres
Trunk max capacity: with rear seats folded down
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530 litres
BMW 5 series has more luggage space. BMW 4 series has 85 litres less trunk space than the BMW 5 series.
Turning diameter:
11.8 meters
12.4 meters
The turning circle of the BMW 4 series is 0.6 metres less than that of the BMW 5 series, which means BMW 4 series can be easier to manoeuvre in tight streets and parking spaces.
