BMW 3 series is more dynamic to drive. BMW 3 series engine produces 13 HP more power than Mercedes C class, but torque is 10 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):
9.3
11.3
The BMW 3 series is a better choice when it comes to fuel economy. BMW 3 series consumes 2 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 300 litres of fuel.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
7 years
10 years
Engine spread:
Installed on at least 6 other car models, including BMW 5 sērija, BMW X5, BMW 7 sērija, BMW X3, BMW Z4
Installed on at least 8 other car models, including Mercedes E klase, Mercedes ML, Chrysler Crossfire
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.
BMW 3 sērija 2003 3.0 engine: The BMW M54B30 is a 3.0-liter naturally aspirated inline-six producing about 231 hp, produced between 2000 and 2006. It is widely regarded as one of BMW’s more successful engines of that era, known for smooth operation and strong performance. With proper maintenance, these engines often ... More about BMW 3 sērija 2003 3.0 engine
Dimensions
Length:
4.48 m
4.54 m
Width:
1.74 m
1.73 m
Height:
1.41 m
1.47 m
BMW 3 series is 6 cm shorter than the Mercedes C class, 1 cm wider, while the height of BMW 3 series is 6 cm lower.
Trunk capacity:
435 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.
