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:
150 HP
140 HP
Torque:
340 NM
320 NM
Acceleration 0-100 km/h:
10.1 seconds
9.7 seconds
Mercedes C class engine produces 10 HP more power than Audi A4, whereas torque is 20 NM more than Audi A4. Despite the higher power, Mercedes C class reaches 100 km/h speed 0.4 seconds later.
Fuel consumption
Fuel consumption (l/100km):
6.1
5.7
Real fuel consumption:
6.9 l/100km
6.8 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 0.4 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 60 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 0.1 litres more fuel per 100 km than the Audi A4.
Fuel tank capacity:
62 litres
70 litres
Full fuel tank distance:
1010 km in combined cycle
1220 km in combined cycle
1310 km on highway
1550 km on highway
890 km with real consumption
1020 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
833 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
