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:
136 HP
101 HP
Torque:
190 NM
140 NM
Acceleration 0-100 km/h:
11.4 seconds
11.9 seconds
Mercedes E class is more dynamic to drive. Mercedes E class engine produces 35 HP more power than Audi A4, whereas torque is 50 NM more than Audi A4. Thanks to more power Mercedes E class reaches 100 km/h speed 0.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
9.1
8.0
Real fuel consumption:
9.0 l/100km
8.1 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Mercedes E class consumes 1.1 litres more fuel per 100 km than the Audi A4, which means that if you drive 15,000 km in a year, the Mercedes E class could require 165 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes E class consumes 0.9 litres more fuel per 100 km than the Audi A4.
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 Mercedes E class engine could be longer.
Engine production duration:
8 years
4 years
Engine spread:
Installed on at least 2 other car models, including Mercedes CLK, Mercedes SLK
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:
4.80 m
4.48 m
Width:
1.80 m
1.73 m
Height:
1.44 m
1.42 m
Mercedes E class is larger. Mercedes E class is 32 cm longer than the Audi A4, 7 cm wider, while the height of Mercedes E class is 2 cm higher.
Trunk capacity:
515 litres
440 litres
Mercedes E class has more luggage capacity. Mercedes E class has 75 litres more trunk space than the Audi A4.
Turning diameter:
11.3 meters
11.1 meters
The turning circle of the Mercedes E class is 0.2 metres more than that of the Audi A4.
Mercedes E class has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A4, so Mercedes E class quality could be a bit better.