BMW 5 series and Mercedes E class have the same engine power, but BMW 5 series torque is 10 NM less than Mercedes E class. BMW 5 series reaches 100 km/h speed 0.6 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
8.5
10.9
Real fuel consumption:
9.5 l/100km
11.5 l/100km
The BMW 5 series is a better choice when it comes to fuel economy. By specification BMW 5 series consumes 2.4 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 360 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 5 series consumes 2 litres less fuel per 100 km than the Mercedes E class.
Fuel tank capacity:
70 litres
65 litres
Full fuel tank distance:
820 km in combined cycle
590 km in combined cycle
1090 km on highway
810 km on highway
730 km with real consumption
560 km with real consumption
BMW 5 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
350'000 km
420'000 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:
7 years
10 years
Engine spread:
Installed on at least 3 other car models, including BMW 3 sērija, BMW X3, BMW Z4
Installed on at least 2 other car models, including Mercedes C klase, Mercedes CLK
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Dimensions
Length:
4.84 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
Trunk max capacity: with rear seats folded down
no data
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.
Turning diameter:
11 meters
11.4 meters
The turning circle of the BMW 5 series is 0.4 metres less than that of the Mercedes E class, which means BMW 5 series can be easier to manoeuvre in tight streets and parking spaces.
Mercedes E class has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 5 series, so Mercedes E class quality could be a bit better.