Audi A5 is more dynamic to drive. Audi A5 engine produces 67 HP more power than Audi A3, whereas torque is 130 NM more than Audi A3. Thanks to more power Audi A5 reaches 100 km/h speed 2.8 seconds faster.
Audi A5 is larger, but slightly lower. Audi A5 is 40 cm longer than the Audi A3, 7 cm wider, while the height of Audi A5 is 4 cm lower.
Trunk capacity:
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380 litres
Trunk max capacity: with rear seats folded down, if possible
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1220 litres
Turning diameter:
11.5 meters
10.9 meters
The turning circle of the Audi A5 is 0.6 metres more than that of the Audi A3, which means Audi A5 can be harder to manoeuvre in tight streets and parking spaces.
Audi A3 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A5, so Audi A3 quality could be a bit better.