BMW 3 series and BMW 5 series have the same engine power, the torque is the same for both cars.
Fuel consumption
Fuel consumption (l/100km):
7.2
7.6
Real fuel consumption:
7.1 l/100km
7.9 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.4 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 60 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.8 litres less fuel per 100 km than the BMW 5 series.
Fuel tank capacity:
61 litres
70 litres
Full fuel tank distance:
840 km in combined cycle
920 km in combined cycle
1050 km on highway
1140 km on highway
850 km with real consumption
880 km with real consumption
BMW 5 series gets more mileage on one fuel tank.
Drive type
Wheel drive type:
4x4 - AWD (all-wheel-drive)
All wheel drive (AWD, 4x4)
Engines
Average engine lifespan:
420'000 km
480'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a BMW 5 series engine could be longer.
Engine production duration:
12 years
12 years
Engine spread:
Installed on at least 6 other car models, including BMW 5 sērija, BMW X5, BMW 7 sērija, BMW X3, BMW X6
Installed on at least 4 other car models, including BMW 3 sērija, BMW X5, BMW X3, BMW X6
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 3 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:
1.42 m
1.47 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
520 litres
Trunk max capacity: with rear seats folded down
no data
520 litres
BMW 5 series has more luggage space. BMW 3 series has 60 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.
