Audi A3 and Audi A4 have the same engine power, the torque is the same for both cars. Audi A3 reaches 100 km/h speed 0.7 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
no data
4.9
Audi A4 2015 1.4 engine: One of the most notorious issues with this engine series is excessive oil consumption caused by stuck piston rings. Another common problem is the actuator of the turbocharger’s wastegate, which is prone to ... More about Audi A4 2015 1.4 engine
Dimensions
Length:
4.46 m
4.73 m
Width:
1.80 m
1.84 m
Height:
1.42 m
1.43 m
Audi A3 is smaller. Audi A3 is 27 cm shorter than the Audi A4, 5 cm narrower, while the height of Audi A3 is 1 cm lower.
Trunk capacity:
425 litres
481 litres
Audi A4 has more luggage space. Audi A3 has 56 litres less trunk space than the Audi A4.
Audi A3 has fewer problems. According to annual technical inspection data Audi A4 has serious deffects in 45 percent more cases than Audi A3, so Audi A3 quality is probably significantly better