Audi A3 engine produces 4 HP less power than Mercedes A class, whereas torque is 10 NM less than Mercedes A class. Despite less power, Audi A3 reaches 100 km/h speed 0.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
3.8
3.5
The Mercedes A class is a better choice when it comes to fuel economy. Audi A3 consumes 0.3 litres more fuel per 100 km than the Mercedes A class, which means that if you drive 15,000 km in a year, the Audi A3 could require 45 litres more fuel.
Fuel tank capacity:
50 litres
40 litres
Full fuel tank distance:
1310 km in combined cycle
1140 km in combined cycle
1510 km on highway
1250 km on highway
Audi A3 gets more mileage on one fuel tank.
Dimensions
Length:
4.31 m
4.30 m
Width:
1.79 m
1.78 m
Height:
1.43 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 also the height of the cars does not differ significantly.
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 15 percent more cases than Mercedes A class, so Mercedes A class quality is probably better
