BMW 3 series is more dynamic to drive. BMW 3 series engine produces 41 HP more power than BMW 5 series, whereas torque is 15 NM more than BMW 5 series. Thanks to more power BMW 3 series reaches 100 km/h speed 0.9 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.2
9.8
Real fuel consumption:
9.0 l/100km
9.9 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 2.6 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 390 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.9 litres less fuel per 100 km than the BMW 5 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
7 years
Engine spread:
Installed on at least 2 other car models, including BMW 5 sērija, BMW 6 sērija
Installed on at least 6 other car models, including BMW 3 sērija, BMW X5, BMW 7 sērija, BMW X3, BMW Z4
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 2006 3.0 engine: Relatively reliable engine. Most of the problems are related to the fuel injection system, spark plugs and coils, and the Vanos phase control system. Problems with the high-pressure fuel pump were common in ... More about BMW 3 sērija 2006 3.0 engine
Dimensions
Length:
4.58 m
4.84 m
Width:
1.78 m
1.85 m
Height:
1.40 m
1.47 m
BMW 3 series is smaller. BMW 3 series is 26 cm shorter than the BMW 5 series, 7 cm narrower, while the height of BMW 3 series is 7 cm lower.
Trunk capacity:
440 litres
520 litres
BMW 5 series has more luggage space. BMW 3 series has 80 litres less trunk space than the BMW 5 series.
BMW 5 series has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 10 percent more cases than BMW 5 series, so BMW 5 series quality is probably slightly better
