BMW 3 series is a more dynamic driving. Mercedes C class engine produces 14 HP less power than BMW 3 series, whereas torque is 5 NM less than BMW 3 series. Due to the lower power, Mercedes C class reaches 100 km/h speed 1.7 seconds later.
Fuel consumption
Fuel consumption (l/100km):
9.3
7.2
Real fuel consumption:
9.8 l/100km
8.4 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 2.1 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the Mercedes C class could require 315 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 1.4 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
66 litres
63 litres
Full fuel tank distance:
700 km in combined cycle
870 km in combined cycle
950 km on highway
1120 km on highway
670 km with real consumption
750 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
380'000 km
350'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
13 years
7 years
Engine spread:
Used only for this car
Installed on at least 3 other car models, including BMW 5 sērija, BMW X3, BMW Z4
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Dimensions
Length:
4.60 m
4.53 m
Width:
1.77 m
1.82 m
Height:
1.46 m
1.44 m
Mercedes C class is 7 cm longer than the BMW 3 series, 5 cm narrower, while the height of Mercedes C class is 2 cm higher.
Trunk capacity:
485 litres
460 litres
Mercedes C class has more luggage capacity. Mercedes C class has 25 litres more trunk space than the BMW 3 series.
Turning diameter:
10.84 meters
11 meters
The turning circle of the Mercedes C class is 0.16 metres less than that of the BMW 3 series.
Mercedes C class has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 3 series, so Mercedes C class quality could be a bit better.
