Mercedes C class is more dynamic to drive. Mercedes C class engine produces 13 HP more power than BMW 3 series, whereas torque is 40 NM more than BMW 3 series. Thanks to more power Mercedes C class reaches 100 km/h speed 0.2 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
8.2
6.5
Real fuel consumption:
8.9 l/100km
8.8 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 1.7 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 255 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 0.1 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
66 litres
63 litres
Full fuel tank distance:
800 km in combined cycle
960 km in combined cycle
1030 km on highway
1180 km on highway
740 km with real consumption
710 km with real consumption
Engines
Average engine lifespan:
440'000 km
350'000 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 C class engine could be longer.
Engine production duration:
13 years
6 years
Engine spread:
Installed on at least 3 other car models, including Mercedes E klase, Mercedes CLK, Mercedes SLK
Installed on at least 2 other car models, including BMW 5 sērija, BMW 1 sērija
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:
4.60 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
Trunk max capacity: with rear seats folded down
no data
1385 litres
Mercedes C class has more luggage capacity. Mercedes C class has 25 litres more trunk space than the BMW 3 series.
Turning diameter:
10.8 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.
