BMW 3 series engine produces 34 HP less power than Mercedes E class, whereas torque is 60 NM less than Mercedes E class. Due to the lower power, BMW 3 series reaches 100 km/h speed 0.1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.7
7.4
Real fuel consumption:
8.0 l/100km
7.6 l/100km
The Mercedes E class is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.3 litres more fuel per 100 km than the Mercedes E class, which means that if you drive 15,000 km in a year, the BMW 3 series could require 45 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.4 litres more fuel per 100 km than the Mercedes E class.
Fuel tank capacity:
65 litres
65 litres
Full fuel tank distance:
840 km in combined cycle
870 km in combined cycle
1100 km on highway
1220 km on highway
810 km with real consumption
850 km with real consumption
Engines
Average engine lifespan:
420'000 km
700'000 km
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:
9 years
8 years
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Dimensions
Length:
4.43 m
4.80 m
Width:
1.70 m
1.80 m
Height:
1.39 m
1.42 m
BMW 3 series is smaller. BMW 3 series is 37 cm shorter than the Mercedes E class, 10 cm narrower, while the height of BMW 3 series is 3 cm lower.
Trunk capacity:
435 litres
520 litres
Mercedes E class has more luggage space. BMW 3 series has 85 litres less trunk space than the Mercedes E class.
Turning diameter:
10 meters
11.3 meters
The turning circle of the BMW 3 series is 1.3 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 25 percent more cases than Mercedes E class, so Mercedes E class quality is probably significantly better