Audi A4 is more dynamic to drive. Audi A4 engine produces 38 HP more power than Mercedes C class, whereas torque is 20 NM more than Mercedes C class. Thanks to more power Audi A4 reaches 100 km/h speed 1.2 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
10.7
11.8
Real fuel consumption:
11.1 l/100km
11.3 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Audi A4 consumes 1.1 litres less fuel per 100 km than the Mercedes C class, which means that by driving the Audi A4 over 15,000 km in a year you can save 165 litres of fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 0.2 litres less fuel per 100 km than the Mercedes C class.
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:
6 years
10 years
Engine spread:
Used also on Audi A6
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.
Audi A4 2004 3.1 engine: The engine is prone to piston ring sticking and oil consumption, often requiring replacement of the pistons with forged ones. Frequent oil changes can help mitigate this issue, as can occasional high-speed ... More about Audi A4 2004 3.1 engine
Dimensions
Length:
4.59 m
4.54 m
Width:
1.77 m
1.73 m
Height:
1.43 m
1.47 m
Audi A4 is larger, but slightly lower. Audi A4 is 5 cm longer than the Mercedes C class, 4 cm wider, while the height of Audi A4 is 4 cm lower.
Trunk capacity:
442 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 20 percent more cases than Audi A4, so Audi A4 quality is probably better
