BMW 4 series is more dynamic to drive. BMW 4 series engine produces 102 HP more power than BMW 5 series, whereas torque is 130 NM more than BMW 5 series. Thanks to more power BMW 4 series reaches 100 km/h speed 2.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.9
7.6
Real fuel consumption:
9.4 l/100km
8.7 l/100km
The BMW 5 series is a better choice when it comes to fuel economy. By specification BMW 4 series consumes 0.3 litres more fuel per 100 km than the BMW 5 series, which means that if you drive 15,000 km in a year, the BMW 4 series could require 45 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 4 series consumes 0.7 litres more fuel per 100 km than the BMW 5 series.
Fuel tank capacity:
60 litres
70 litres
Full fuel tank distance:
750 km in combined cycle
920 km in combined cycle
980 km on highway
1180 km on highway
630 km with real consumption
800 km with real consumption
BMW 5 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
420'000 km
420'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
9 years
6 years
Engine spread:
Installed on at least 7 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X5, BMW 1 sērija, BMW X3, BMW X6
Used also on BMW 3 sērija
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 4 series might be a better choice in this respect.
Dimensions
Length:
4.64 m
4.90 m
Width:
1.83 m
1.86 m
Height:
1.36 m
1.46 m
BMW 4 series is smaller. BMW 4 series is 26 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
520 litres
BMW 5 series has more luggage space. BMW 4 series has 75 litres less trunk space than the BMW 5 series.
Turning diameter:
11.3 meters
11.9 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.