Mercedes C class is more dynamic to drive. Mercedes C class engine produces 80 HP more power than Audi A4, whereas torque is 190 NM more than Audi A4. Thanks to more power Mercedes C class reaches 100 km/h speed 4.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.1
5.4
Real fuel consumption:
7.9 l/100km
5.6 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 1.7 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 255 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 2.3 litres more fuel per 100 km than the Audi A4.
Mercedes C class is 6 cm longer than the Audi A4, width is practically the same , while the height of Mercedes C class is 5 cm higher.
Trunk capacity:
470 litres
390 litres
Trunk max capacity: with rear seats folded down, if possible
1384 litres
1250 litres
Mercedes C class has more luggage capacity. Mercedes C class has 80 litres more trunk space than the Audi A4. The maximum boot capacity (with all rear seats folded down) is larger in Mercedes C class (by 134 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 15 percent more cases than Audi A4, so Audi A4 quality is probably better