BMW 5 series and BMW 3 series have the same engine power, the torque is the same for both cars. BMW 5 series reaches 100 km/h speed 0.2 seconds later.
Fuel consumption
Fuel consumption (l/100km):
9.4
9.0
Real fuel consumption:
10.1 l/100km
9.8 l/100km
By specification BMW 5 series consumes 0.4 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the BMW 5 series could require 60 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 5 series consumes 0.3 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
70 litres
63 litres
Full fuel tank distance:
740 km in combined cycle
700 km in combined cycle
1000 km on highway
940 km on highway
690 km with real consumption
640 km with real consumption
BMW 5 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
350'000 km
350'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
7 years
7 years
Dimensions
Length:
4.84 m
4.52 m
Width:
1.85 m
1.82 m
Height:
1.47 m
1.42 m
BMW 5 series is larger. BMW 5 series is 32 cm longer than the BMW 3 series, 3 cm wider, while the height of BMW 5 series is 5 cm higher.
Trunk capacity:
520 litres
460 litres
BMW 5 series has more luggage capacity. BMW 5 series has 60 litres more trunk space than the BMW 3 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.
