Mercedes C class is a more dynamic driving. Audi A6 engine produces 7 HP more power than Mercedes C class, but torque is 10 NM less than Mercedes C class. Despite the higher power, Audi A6 reaches 100 km/h speed 0.8 seconds later.
Fuel consumption
Fuel consumption (l/100km):
9.6
8.4
Real fuel consumption:
10.7 l/100km
8.9 l/100km
The Mercedes C class is a better choice when it comes to fuel economy. By specification Audi A6 consumes 1.2 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 180 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A6 consumes 1.8 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
70 litres
62 litres
Full fuel tank distance:
720 km in combined cycle
730 km in combined cycle
980 km on highway
1010 km on highway
650 km with real consumption
690 km with real consumption
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Average engine lifespan:
460'000 km
440'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
4 years
13 years
Engine spread:
Used also on Audi A4
Installed on at least 3 other car models, including Mercedes E klase, Mercedes CLK, Mercedes SLK
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
