Timing belt usually needs to be replaced more often than the chain, but it is usually significantly cheaper. Timing belt motors are generally quieter and less vibrating than chain motors.
Performance
Power:
155 HP
170 HP
Torque:
310 NM
370 NM
Acceleration 0-100 km/h:
9.4 seconds
8.9 seconds
Mercedes C class is a more dynamic driving. Audi A4 engine produces 15 HP less power than Mercedes C class, whereas torque is 60 NM less than Mercedes C class. Due to the lower power, Audi A4 reaches 100 km/h speed 0.5 seconds later.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a Mercedes C class engine could be longer.
Engine production duration:
2 years
8 years
Engine spread:
Installed on at least 2 other car models, including Audi A6, Skoda Superb
Installed on at least 4 other car models, including Mercedes E klase, Mercedes ML, Mercedes G klase
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:
4.55 m
4.53 m
Width:
1.77 m
1.73 m
Height:
1.43 m
1.43 m
Audi A4 is larger. Audi A4 is 2 cm longer than the Mercedes C class, 4 cm wider the height of the cars does not differ significantly.
Trunk capacity:
445 litres
no data
Turning diameter:
11.1 meters
10.8 meters
The turning circle of the Audi A4 is 0.3 metres more than that of the Mercedes C class.
Audi A4 has fewer problems. According to annual technical inspection data Mercedes C class has serious deffects in 10 percent more cases than Audi A4, so Audi A4 quality is probably slightly better