BMW 5 series is more dynamic to drive. BMW 5 series engine produces 27 HP more power than BMW 3 series, whereas torque is 20 NM more than BMW 3 series. Thanks to more power BMW 5 series reaches 100 km/h speed 0.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.9
6.0
Real fuel consumption:
9.0 l/100km
7.7 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 5 series consumes 0.9 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 135 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 5 series consumes 1.3 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:
7 years
6 years
Engine spread:
Installed on at least 3 other car models, including BMW 3 sērija, BMW Z4, BMW Z3
Installed on at least 2 other car models, including BMW 5 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.
BMW 3 sērija 2008 2.0 engine: The BMW N43 engine is built around a lightweight alloy cylinder block with a twin-cam, 16-valve head. It uses a dual-pump fuel delivery system—one located inside the tank to transfer fuel and supply the high-pressure pump, which then boosts fuel pressure up to 200 bar. Notably, the system lacks a fine fuel filter and relies only on a ... More about BMW 3 sērija 2008 2.0 engine
Dimensions
Length:
4.84 m
4.53 m
Width:
1.85 m
1.82 m
Height:
1.49 m
1.44 m
BMW 5 series is larger. BMW 5 series is 31 cm longer than the BMW 3 series, 3 cm wider, while the height of BMW 5 series is 5 cm higher.
Trunk capacity:
500 litres
460 litres
Trunk max capacity: with rear seats folded down
no data
1385 litres
BMW 5 series has more luggage capacity. BMW 5 series has 40 litres more trunk space than the BMW 3 series.
BMW 5 series has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 3 series, so BMW 5 series quality could be a bit better.