BMW 3 series is more dynamic to drive. BMW 3 series engine produces 35 HP more power than Mercedes C class, whereas torque is 80 NM more than Mercedes C class. Thanks to more power BMW 3 series reaches 100 km/h speed 3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.9
6.7
Real fuel consumption:
7.8 l/100km
6.7 l/100km
The Mercedes C class is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.2 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 30 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 1.1 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
63 litres
62 litres
Full fuel tank distance:
910 km in combined cycle
920 km in combined cycle
1160 km on highway
1210 km on highway
800 km with real consumption
920 km with real consumption
Engines
Engine production duration:
9 years
8 years
Engine spread:
Installed on at least 2 other car models, including BMW 1 sērija, BMW X3
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.
Dimensions
Length:
4.47 m
4.53 m
Width:
1.74 m
1.73 m
Height:
1.42 m
1.43 m
Both cars are similar in size. BMW 3 series is 6 cm shorter than the Mercedes C class, 1 cm wider, while the height of BMW 3 series is 1 cm lower.
Trunk capacity:
440 litres
no data
Turning diameter:
10 meters
10.8 meters
The turning circle of the BMW 3 series is 0.8 metres less than that of the Mercedes C class, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
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.
