BMW 5 series engine produces 14 HP more power than BMW 3 series, whereas torque is 60 NM more than BMW 3 series.
Fuel consumption
Fuel consumption (l/100km):
7.8
6.7
Real fuel consumption:
8.3 l/100km
7.3 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 5 series consumes 1.1 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 165 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 5 series consumes 1 litres more fuel per 100 km than the BMW 3 series.
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
9 years
Engine spread:
Used only for this car
Used also on 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 sērija 2004 2.5 engine: Overall, the M57 diesel engine is known for its high reliability and can deliver an exceptionally long service life when properly maintained with high-quality fuel and oil. Fuel quality is especially critical ... More about BMW 5 sērija 2004 2.5 engine
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.
