Audi A3 (Sedan) (2017) is 88 mm (3.46 inch) longer, 21 mm (0.83 inch) wider and has 55 liters (1.94 ft3) bigger cargo space than Vauxhall Astra (Hatchback) (2017).
Vauxhall Astra (Hatchback) (2017) is 69 mm (2.72 inch) higher and 91 kg (201 lbs) lighter than Audi A3 (Sedan) (2017).
