BMW 3 series is more dynamic to drive. BMW 3 series engine produces 4 HP less power than Mercedes E class, but torque is 10 NM more than Mercedes E class. Despite less power, BMW 3 series reaches 100 km/h speed 1.6 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
9.2
10.7
The BMW 3 series is a better choice when it comes to fuel economy. BMW 3 series consumes 1.5 litres less fuel per 100 km than the Mercedes E class, which means that by driving the BMW 3 series over 15,000 km in a year you can save 225 litres of fuel.
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 Mercedes E class engine could be longer.
Engine production duration:
7 years
9 years
Engine spread:
Installed on at least 3 other car models, including BMW 5 sērija, BMW 7 sērija, BMW Z3
Used also on Mercedes S klase
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 3 series might be a better choice in this respect.
Dimensions
Length:
4.43 m
4.74 m
Width:
1.70 m
1.74 m
Height:
1.39 m
1.43 m
BMW 3 series is smaller. BMW 3 series is 31 cm shorter than the Mercedes E class, 4 cm narrower, while the height of BMW 3 series is 4 cm lower.
Trunk capacity:
435 litres
no data
Turning diameter:
10 meters
11.2 meters
The turning circle of the BMW 3 series is 1.2 metres less than that of the Mercedes E class, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
Mercedes E class has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 30 percent more cases than Mercedes E class, so Mercedes E class quality is probably significantly better
