BMW 3 series is more dynamic to drive. BMW 3 series engine produces 7 HP more power than Mercedes C class, but torque is 20 NM less than Mercedes C class. Thanks to more power BMW 3 series reaches 100 km/h speed 0.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
9.4
9.5
Real fuel consumption:
10.3 l/100km
10.0 l/100km
By specification BMW 3 series consumes 0.1 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 15 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.3 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
63 litres
62 litres
Full fuel tank distance:
670 km in combined cycle
650 km in combined cycle
860 km on highway
880 km on highway
610 km with real consumption
620 km with real consumption
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 fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 25 percent more cases than Mercedes C class, so Mercedes C class quality is probably significantly better
