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:
122 HP
140 HP
Torque:
270 NM
320 NM
Acceleration 0-100 km/h:
11.9 seconds
9.8 seconds
Audi A4 is a more dynamic driving. Mercedes C class engine produces 18 HP less power than Audi A4, whereas torque is 50 NM less than Audi A4. Due to the lower power, Mercedes C class reaches 100 km/h speed 2.1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
6.6
5.8
Real fuel consumption:
7.2 l/100km
7.3 l/100km
By specification Mercedes C class consumes 0.8 litres more fuel per 100 km than the Audi A4, which means that if you drive 15,000 km in a year, the Mercedes C class could require 120 litres more fuel. But when we compare the real fuel consumption reported by users, Mercedes C class consumes 0.1 litres less fuel per 100 km than the Audi A4.
Fuel tank capacity:
62 litres
70 litres
Full fuel tank distance:
930 km in combined cycle
1200 km in combined cycle
1190 km on highway
1480 km on highway
860 km with real consumption
950 km with real consumption
Audi A4 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
5 years
Engine spread:
Installed on at least 2 other car models, including Mercedes E klase, Mercedes Vito
Installed on at least 2 other car models, including Audi A6, Audi A3
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes C class might be a better choice in this respect.
Dimensions
Length:
4.53 m
4.59 m
Width:
1.73 m
1.77 m
Height:
1.43 m
1.43 m
Mercedes C class is smaller. Mercedes C class is 6 cm shorter than the Audi A4, 4 cm narrower the height of the cars does not differ significantly.
Trunk capacity:
no data
460 litres
Trunk max capacity: with rear seats folded down
no data
720 litres
Turning diameter:
10.8 meters
11.1 meters
The turning circle of the Mercedes C class is 0.3 metres less than that of the Audi A4.
Audi A4 has fewer problems. According to annual technical inspection data Mercedes C class has serious deffects in 25 percent more cases than Audi A4, so Audi A4 quality is probably significantly better