BMW 3 series is more dynamic to drive. BMW 3 series engine produces 14 HP more power than BMW 5 series, whereas torque is 20 NM more than BMW 5 series. Thanks to more power BMW 3 series reaches 100 km/h speed 0.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.4
9.5
Real fuel consumption:
10.4 l/100km
11.0 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 2.1 litres less fuel per 100 km than the BMW 5 series, which means that by driving the BMW 3 series over 15,000 km in a year you can save 315 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.6 litres less fuel per 100 km than the BMW 5 series.
Fuel tank capacity:
63 litres
70 litres
Full fuel tank distance:
850 km in combined cycle
730 km in combined cycle
1080 km on highway
950 km on highway
600 km with real consumption
630 km with real consumption
Engines
Average engine lifespan:
350'000 km
380'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
7 years
7 years
Engine spread:
Installed on at least 2 other car models, including BMW 5 sērija, BMW 6 sērija
Installed on at least 8 other car models, including BMW 3 sērija, BMW X5, BMW 7 sērija, BMW 1 sērija
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 5 series might be a better choice in this respect.
Dimensions
Length:
4.52 m
4.84 m
Width:
1.82 m
1.85 m
Height:
1.44 m
1.49 m
BMW 3 series is smaller. BMW 3 series is 32 cm shorter than the BMW 5 series, 3 cm narrower, while the height of BMW 3 series is 5 cm lower.
Trunk capacity:
460 litres
500 litres
Trunk max capacity: with rear seats folded down
1385 litres
no data
BMW 5 series has more luggage space. BMW 3 series has 40 litres less trunk space than the BMW 5 series.
BMW 3 series has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 5 series, so BMW 3 series quality could be a bit better.
