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:
130 HP
115 HP
Torque:
285 NM
250 NM
Acceleration 0-100 km/h:
9.9 seconds
12.1 seconds
Audi A4 is more dynamic to drive. Audi A4 engine produces 15 HP more power than Mercedes C class, whereas torque is 35 NM more than Mercedes C class. Thanks to more power Audi A4 reaches 100 km/h speed 2.2 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.5
6.1
Real fuel consumption:
5.9 l/100km
6.0 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Audi A4 consumes 0.6 litres less fuel per 100 km than the Mercedes C class, which means that by driving the Audi A4 over 15,000 km in a year you can save 90 litres of fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 0.1 litres less fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
70 litres
62 litres
Full fuel tank distance:
1270 km in combined cycle
1010 km in combined cycle
1590 km on highway
1340 km on highway
1180 km with real consumption
1030 km with real consumption
Audi A4 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Engine production duration:
8 years
8 years
Engine spread:
Installed on at least 3 other car models, including Volkswagen Passat, Audi A6, Skoda Superb
Installed on at least 2 other car models, including Mercedes E 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. Audi A4 might be a better choice in this respect.
Audi A4 has fewer problems. According to annual technical inspection data Mercedes C class has serious deffects in 20 percent more cases than Audi A4, so Audi A4 quality is probably better