Audi A3 (Sedan) (2017) is 121 mm (4.76 inch) higher, 285 kg (628 lbs) lighter and has 280 liters (9.89 ft3) bigger cargo space than Porsche 911 (2019).
Porsche 911 (2019) is 33 mm (1.30 inch) longer and 12 mm (0.47 inch) wider than Audi A3 (Sedan) (2017).
Size difference at a glance
Audi A3 (Sedan) (2017) is 0.7% shorter than Porsche 911 (2019).
Audi A3 (Sedan) (2017) is 0.7% narrower than Porsche 911 (2019).
Audi A3 (Sedan) (2017) is 9.3% taller than Porsche 911 (2019).
Audi A3 (Sedan) (2017) is 18.4% lighter than Porsche 911 (2019).
Audi A3 (Sedan) (2017) is 193.1% larger in cargo space than Porsche 911 (2019).
Overall footprint
Porsche 911 (2019) has a 1.4% smaller overall footprint (length × width).
