Audi A3 is more dynamic to drive. Audi A3 engine produces 7 HP more power than Mercedes A class, but torque is 10 NM less than Mercedes A class. Thanks to more power Audi A3 reaches 100 km/h speed 0.9 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
no data
3.5
Fuel tank capacity:
50 litres
40 litres
Dimensions
Length:
4.31 m
4.30 m
Width:
1.79 m
1.78 m
Height:
1.46 m
1.43 m
Both cars are similar in size. Audi A3 is 1 cm longer than the Mercedes A class, width is practically the same , while the height of Audi A3 is 3 cm higher.
Trunk capacity:
380 litres
341 litres
Trunk max capacity: with rear seats folded down
1220 litres
1157 litres
Audi A3 has more luggage capacity. Audi A3 has 39 litres more trunk space than the Mercedes A class. The maximum boot capacity (with all rear seats folded down) is larger in Audi A3 (by 63 litres).
Turning diameter:
10.9 meters
11 meters
The turning circle of the Audi A3 is 0.1 metres less than that of the Mercedes A class.
Mercedes A class has fewer problems. According to annual technical inspection data Audi A3 has serious deffects in 20 percent more cases than Mercedes A class, so Mercedes A class quality is probably better
