BMW 5 series is a more dynamic driving. BMW 3 series engine produces 41 HP less power than BMW 5 series, whereas torque is 60 NM less than BMW 5 series. Due to the lower power, BMW 3 series reaches 100 km/h speed 2.4 seconds later.
Fuel consumption
Fuel consumption (l/100km):
5.6
5.9
Real fuel consumption:
6.3 l/100km
6.9 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.3 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 45 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:
61 litres
70 litres
Full fuel tank distance:
1080 km in combined cycle
1180 km in combined cycle
1380 km on highway
1480 km on highway
960 km with real consumption
1010 km with real consumption
BMW 5 series gets more mileage on one fuel tank.
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
460 litres
520 litres
BMW 5 series has more luggage space. BMW 3 series has 60 litres less trunk space than the BMW 5 series. The maximum boot capacity (with all rear seats folded down) is larger in BMW 5 series (by 60 litres).
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.