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:
150 HP
170 HP
Torque:
310 NM
370 NM
Acceleration 0-100 km/h:
9.7 seconds
8.9 seconds
Mercedes C class is a more dynamic driving. Audi A6 engine produces 20 HP less power than Mercedes C class, whereas torque is 60 NM less than Mercedes C class. Due to the lower power, Audi A6 reaches 100 km/h speed 0.8 seconds later.
Fuel consumption
Fuel consumption (l/100km):
6.9
6.8
Audi A6 consumes 0.1 litres more fuel per 100 km than the Mercedes C class, which means that if you drive 15,000 km in a year, the Audi A6 could require 15 litres more fuel.
Fuel tank capacity:
70 litres
62 litres
Full fuel tank distance:
1010 km in combined cycle
910 km in combined cycle
1320 km on highway
1210 km on highway
Audi A6 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Average engine lifespan:
350'000 km
480'000 km
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 A4, Audi A8
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:
4.80 m
4.53 m
Width:
1.81 m
1.73 m
Height:
1.45 m
1.43 m
Audi A6 is larger. Audi A6 is 27 cm longer than the Mercedes C class, 8 cm wider, while the height of Audi A6 is 2 cm higher.
Trunk capacity:
551 litres
no data
Turning diameter:
11.7 meters
10.8 meters
The turning circle of the Audi A6 is 0.9 metres more than that of the Mercedes C class, which means Audi A6 can be harder to manoeuvre in tight streets and parking spaces.
Mercedes C class has fewer problems. According to annual technical inspection data Audi A6 has serious deffects in 10 percent more cases than Mercedes C class, so Mercedes C class quality is probably slightly better
