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 3.2 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.5
6.1
Real fuel consumption:
6.5 l/100km
6.0 l/100km
By specification BMW 3 series consumes 0.6 litres less fuel per 100 km than the Mercedes C class, which means that by driving the BMW 3 series over 15,000 km in a year you can save 90 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.5 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
63 litres
62 litres
Full fuel tank distance:
1140 km in combined cycle
1010 km in combined cycle
1430 km on highway
1340 km on highway
960 km with real consumption
1030 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.