BMW 3 series is more dynamic to drive. BMW 3 series engine produces 15 HP more power than Mercedes E class, whereas torque is 64 NM more than Mercedes E class. Thanks to more power BMW 3 series reaches 100 km/h speed 4.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.5
6.7
Real fuel consumption:
6.6 l/100km
6.4 l/100km
By specification BMW 3 series consumes 0.2 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 30 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.2 litres more fuel per 100 km than the Mercedes E class.
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:
6 years
17 years
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes E class 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 90 percent more cases than Mercedes E class, so Mercedes E class quality is probably significantly better
