Engine chain usually needs to be replaced less often than the timing belt, but the cost of replacing the chain is usually higher. Chain motors are considered to be more reliable, but noisier and more vibration generating.
Performance
Power:
150 HP
115 HP
Torque:
310 NM
265 NM
Acceleration 0-100 km/h:
12.9 seconds
11.2 seconds
Mercedes S class engine produces 35 HP more power than Audi A6, whereas torque is 45 NM more than Audi A6. Despite the higher power, Mercedes S class reaches 100 km/h speed 1.7 seconds later.
Fuel consumption
Fuel consumption (l/100km):
9.7
6.9
The Audi A6 is a better choice when it comes to fuel economy. Mercedes S class consumes 2.8 litres more fuel per 100 km than the Audi A6, which means that if you drive 15,000 km in a year, the Mercedes S class could require 420 litres more fuel.
Fuel tank capacity:
100 litres
80 litres
Full fuel tank distance:
1030 km in combined cycle
1150 km in combined cycle
Audi A6 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Average engine lifespan:
560'000 km
770'000 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:
13 years
6 years
Engine spread:
Used also on Mercedes G klase
Used also on Audi 100
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes S class might be a better choice in this respect.
Dimensions
Length:
5.11 m
4.80 m
Width:
1.89 m
1.78 m
Height:
1.49 m
1.43 m
Mercedes S class is larger. Mercedes S class is 31 cm longer than the Audi A6, 11 cm wider, while the height of Mercedes S class is 6 cm higher.
Trunk capacity:
no data
510 litres
Turning diameter:
12.1 meters
11.4 meters
The turning circle of the Mercedes S class is 0.7 metres more than that of the Audi A6, which means Mercedes S class can be harder to manoeuvre in tight streets and parking spaces.
