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
129 HP
Torque:
290 NM
300 NM
Acceleration 0-100 km/h:
11.1 seconds
11.5 seconds
Audi A6 is more dynamic to drive. Audi A6 engine produces 11 HP more power than Mercedes E class, but torque is 10 NM less than Mercedes E class. Thanks to more power Audi A6 reaches 100 km/h speed 0.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.6
7.3
Audi A6 consumes 0.3 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 45 litres more fuel.
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
16 years
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.
Audi A6 1996 2.5 engine: Quite reliable engine if not overheated. Occasionally, the high pressure fuel pump can cause problems.
Dimensions
Length:
4.80 m
4.80 m
Width:
1.78 m
1.80 m
Height:
1.43 m
1.42 m
Both cars are similar in size. Audi A6 and Mercedes E class are practically the same length.
Trunk capacity:
510 litres
520 litres
Audi A6 has 10 litres less trunk space than the Mercedes E class.
Turning diameter:
11.4 meters
11.3 meters
The turning circle of the Audi A6 is 0.1 metres more than that of the Mercedes E class.
Mercedes E class has fewer problems. According to annual technical inspection data Audi A6 has serious deffects in 10 percent more cases than Mercedes E class, so Mercedes E class quality is probably slightly better