Timing belt usually needs to be replaced more often than the chain, but it is usually significantly cheaper. Timing belt motors are generally quieter and less vibrating than chain motors.
Performance
Power:
140 HP
136 HP
Torque:
320 NM
340 NM
Acceleration 0-100 km/h:
10 seconds
9.9 seconds
Audi A6 engine produces 4 HP more power than Mercedes E class, but torque is 20 NM less than Mercedes E class. Despite the higher power, Audi A6 reaches 100 km/h speed 0.1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
6.7
6.5
Real fuel consumption:
7.8 l/100km
7.9 l/100km
By specification Audi A6 consumes 0.2 litres more fuel per 100 km than the Mercedes E class, which means that if you drive 15,000 km in a year, the Audi A6 could require 30 litres more fuel. But when we compare the real fuel consumption reported by users, Audi A6 consumes 0.1 litres less fuel per 100 km than the Mercedes E class.
Fuel tank capacity:
70 litres
65 litres
Full fuel tank distance:
1040 km in combined cycle
1000 km in combined cycle
890 km with real consumption
820 km with real consumption
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Engine production duration:
4 years
8 years
Engine spread:
Used only for this car
Installed on at least 2 other car models, including Mercedes C klase, Mercedes Vito
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:
4.92 m
4.82 m
Width:
1.86 m
1.82 m
Height:
1.46 m
1.45 m
Audi A6 is larger. Audi A6 is 10 cm longer than the Mercedes E class, 4 cm wider, while the height of Audi A6 is 1 cm higher.
Trunk capacity:
546 litres
540 litres
Audi A6 has 6 litres more trunk space than the Mercedes E class.
Turning diameter:
12 meters
11.4 meters
The turning circle of the Audi A6 is 0.6 metres more than that of the Mercedes E class, which means Audi A6 can be harder 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
