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:
170 HP
140 HP
Torque:
400 NM
320 NM
Acceleration 0-100 km/h:
8.6 seconds
10 seconds
Mercedes E class is more dynamic to drive. Mercedes E class engine produces 30 HP more power than Audi A6, whereas torque is 80 NM more than Audi A6. Thanks to more power Mercedes E class reaches 100 km/h speed 1.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.7
6.7
Fuel tank capacity:
65 litres
70 litres
Full fuel tank distance:
970 km in combined cycle
1040 km in combined cycle
840 km with real consumption
890 km with real consumption
Audi A6 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Engine production duration:
8 years
4 years
Engine spread:
Used also on Mercedes C klase
Used only for this car
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes E class might be a better choice in this respect.
Dimensions
Length:
4.82 m
4.92 m
Width:
1.82 m
1.86 m
Height:
1.45 m
1.46 m
Mercedes E class is smaller. Mercedes E class is 10 cm shorter than the Audi A6, 4 cm narrower, while the height of Mercedes E class is 1 cm lower.
Trunk capacity:
540 litres
546 litres
Mercedes E class has 6 litres less trunk space than the Audi A6.
Turning diameter:
11.4 meters
12 meters
The turning circle of the Mercedes E class is 0.6 metres less than that of the Audi A6, which means Mercedes E class can be easier to manoeuvre in tight streets and parking spaces.
Audi A6 has fewer problems. According to annual technical inspection data Mercedes E class has serious deffects in 10 percent more cases than Audi A6, so Audi A6 quality is probably slightly better
