Audi A6 engine produces 23 HP more power than Mercedes C class, whereas torque is 40 NM more than Mercedes C class. Despite the higher power, Audi A6 reaches 100 km/h speed 0.1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
11.5
11.2
Real fuel consumption:
11.7 l/100km
10.8 l/100km
The Mercedes C class is a better choice when it comes to fuel economy. By specification Audi A6 consumes 0.3 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 45 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A6 consumes 0.9 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
70 litres
62 litres
Full fuel tank distance:
600 km in combined cycle
550 km in combined cycle
820 km on highway
750 km on highway
590 km with real consumption
570 km with real consumption
Audi A6 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
4x4 - AWD (all-wheel-drive)
All wheel drive (AWD, 4x4)
Engines
Average engine lifespan:
460'000 km
420'000 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 Audi A6 engine could be longer.
Engine production duration:
3 years
10 years
Engine spread:
Installed on at least 2 other car models, including Audi A4, Audi A8
Installed on at least 2 other car models, including Mercedes E klase, Mercedes CLK
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:
434 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
