BMW 3 series is more dynamic to drive. BMW 3 series engine produces 17 HP more power than Mercedes C class, but torque is 30 NM less than Mercedes C class. Thanks to more power BMW 3 series reaches 100 km/h speed 1.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
8.9
7.4
Real fuel consumption:
10.0 l/100km
8.2 l/100km
The Mercedes C class is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 1.5 litres more fuel per 100 km than the Mercedes C class, which means that if you drive 15,000 km in a year, the BMW 3 series could require 225 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 1.8 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
63 litres
66 litres
Full fuel tank distance:
700 km in combined cycle
890 km in combined cycle
950 km on highway
1170 km on highway
630 km with real consumption
800 km with real consumption
Mercedes C class gets more mileage on one fuel tank.
Dimensions
Length:
4.52 m
4.58 m
Width:
1.82 m
1.77 m
Height:
1.42 m
1.45 m
BMW 3 series is 6 cm shorter than the Mercedes C class, 5 cm wider, while the height of BMW 3 series is 3 cm lower.
Trunk capacity:
460 litres
475 litres
BMW 3 series has 15 litres less trunk space than the Mercedes C class.
Turning diameter:
11 meters
10.8 meters
The turning circle of the BMW 3 series is 0.2 metres more than that of the Mercedes C class.
BMW 3 series has fewer problems. According to annual technical inspection data Mercedes C class has serious deffects in 15 percent more cases than BMW 3 series, so BMW 3 series quality is probably better
