Audi A6 is more dynamic to drive. Audi A6 engine produces 23 HP more power than Mercedes C class, whereas torque is 40 NM more than Mercedes C class. Thanks to more power Audi A6 reaches 100 km/h speed 1 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
9.9
11.1
The Audi A6 is a better choice when it comes to fuel economy. Audi A6 consumes 1.2 litres less fuel per 100 km than the Mercedes C class, which means that by driving the Audi A6 over 15,000 km in a year you can save 180 litres of fuel.
Fuel tank capacity:
70 litres
62 litres
Full fuel tank distance:
700 km in combined cycle
550 km in combined cycle
950 km on highway
780 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:
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:
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
