BMW 5 series engine produces 14 HP less power than Mercedes E class, whereas torque is 40 NM less than Mercedes E class. Despite less power, BMW 5 series reaches 100 km/h speed 0.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.7
8.2
Real fuel consumption:
9.0 l/100km
9.8 l/100km
The BMW 5 series is a better choice when it comes to fuel economy. By specification BMW 5 series consumes 1.5 litres less fuel per 100 km than the Mercedes E class, which means that by driving the BMW 5 series over 15,000 km in a year you can save 225 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 5 series consumes 0.8 litres less fuel per 100 km than the Mercedes E class.
Fuel tank capacity:
70 litres
65 litres
Full fuel tank distance:
1040 km in combined cycle
790 km in combined cycle
1290 km on highway
1030 km on highway
770 km with real consumption
660 km with real consumption
BMW 5 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
350'000 km
440'000 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:
6 years
13 years
Engine spread:
Installed on at least 2 other car models, including BMW 3 sērija, BMW 1 sērija
Installed on at least 3 other car models, including Mercedes C klase, Mercedes CLK, Mercedes SLK
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:
4.84 m
4.82 m
Width:
1.85 m
1.82 m
Height:
1.47 m
1.45 m
Both cars are similar in size. BMW 5 series is 2 cm longer than the Mercedes E class, 3 cm wider, while the height of BMW 5 series is 2 cm higher.
Trunk capacity:
520 litres
540 litres
Despite its longer length, BMW 5 series has 20 litres less trunk space than the Mercedes E class. This could mean that the BMW 5 series uses more space in the cabin, so the driver and passengers could be more spacious and comfortable.
Mercedes E class has fewer problems. According to annual technical inspection data BMW 5 series has serious deffects in 20 percent more cases than Mercedes E class, so Mercedes E class quality is probably better