BMW 3 series is a more dynamic driving. Mercedes C class engine produces 7 HP less power than BMW 3 series, whereas torque is 30 NM less than BMW 3 series. Due to the lower power, Mercedes C class reaches 100 km/h speed 0.8 seconds later.
Fuel consumption
Fuel consumption (l/100km):
6.5
5.4
Real fuel consumption:
6.7 l/100km
6.3 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 1.1 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 165 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 0.4 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
66 litres
61 litres
Full fuel tank distance:
1010 km in combined cycle
1120 km in combined cycle
1320 km on highway
1380 km on highway
980 km with real consumption
960 km with real consumption
Engines
Engine production duration:
8 years
17 years
Engine spread:
Used only for this car
Installed on at least 6 other car models, including BMW 5 sērija, BMW 1 sērija, BMW X3, BMW X1
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 3 series might be a better choice in this respect.
Dimensions
Length:
4.58 m
4.53 m
Width:
1.77 m
1.82 m
Height:
1.45 m
1.42 m
Mercedes C class is 5 cm longer than the BMW 3 series, 5 cm narrower, while the height of Mercedes C class is 3 cm higher.
Trunk capacity:
475 litres
460 litres
Mercedes C class has 15 litres more trunk space than the BMW 3 series.
Turning diameter:
10.8 meters
11 meters
The turning circle of the Mercedes C class is 0.2 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.