Mercedes C class is more dynamic to drive. Mercedes C class engine produces 134 HP more power than Audi A4, whereas torque is 150 NM more than Audi A4. Thanks to more power Mercedes C class reaches 100 km/h speed 1.7 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
11.5
9.4
Real fuel consumption:
13.5 l/100km
10.3 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 2.1 litres more fuel per 100 km than the Audi A4, which means that if you drive 15,000 km in a year, the Mercedes C class could require 315 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 3.2 litres more fuel per 100 km than the Audi A4.
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 Audi A4 engine could be longer.
Engine production duration:
10 years
5 years
Engine spread:
Used also on Mercedes SLK
Installed on at least 2 other car models, including Audi A6, Audi A8
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Dimensions
Length:
4.53 m
4.55 m
Width:
1.73 m
1.77 m
Height:
1.42 m
1.43 m
Mercedes C class is smaller. Mercedes C class is 2 cm shorter than the Audi A4, 4 cm narrower, while the height of Mercedes C class is 1 cm lower.
Trunk capacity:
no data
445 litres
Turning diameter:
10.8 meters
11.1 meters
The turning circle of the Mercedes C class is 0.3 metres less than that of the Audi A4.
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
