BMW 3 series is more dynamic to drive. BMW 3 series engine produces 41 HP more power than Mercedes C class, whereas torque is 70 NM more than Mercedes C class. Thanks to more power BMW 3 series reaches 100 km/h speed 3.6 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.7
6.6
Real fuel consumption:
7.3 l/100km
7.2 l/100km
By specification BMW 3 series consumes 0.1 litres more fuel per 100 km than the Mercedes C class, which means that if you drive 15,000 km in a year, the BMW 3 series could require 15 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.1 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
61 litres
62 litres
Full fuel tank distance:
910 km in combined cycle
930 km in combined cycle
1150 km on highway
1190 km on highway
830 km with real consumption
860 km with real consumption
Engines
Engine production duration:
9 years
8 years
Engine spread:
Used also on BMW 1 sērija
Installed on at least 2 other car models, including Mercedes E klase, Mercedes Vito
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes C class might be a better choice in this respect.
Dimensions
Length:
4.52 m
4.53 m
Width:
1.82 m
1.73 m
Height:
1.42 m
1.43 m
BMW 3 series is 1 cm shorter than the Mercedes C class, 9 cm wider, while the height of BMW 3 series is 1 cm lower.
Trunk capacity:
460 litres
no data
Turning diameter:
11 meters
10.8 meters
The turning circle of the BMW 3 series is 0.2 metres more than that of the Mercedes C class.
Mercedes C class has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 10 percent more cases than Mercedes C class, so Mercedes C class quality is probably slightly better
