BMW 3 series is more dynamic to drive. BMW 3 series and Mercedes C class have the same engine power, but BMW 3 series torque is 15 NM more than Mercedes C class. BMW 3 series reaches 100 km/h speed 1.1 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.6
6.1
Real fuel consumption:
6.1 l/100km
6.0 l/100km
By specification BMW 3 series consumes 0.5 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 75 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.1 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
63 litres
62 litres
Full fuel tank distance:
1120 km in combined cycle
1010 km in combined cycle
1400 km on highway
1340 km on highway
1030 km with real consumption
1030 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Engines
Engine production duration:
9 years
8 years
Engine spread:
Used also on BMW 5 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:
4.47 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.
