Audi S3 (2015) is 51 mm (2.01 inch) longer and 18 mm (0.71 inch) wider than Vauxhall Astra (Hatchback) (2017).
Vauxhall Astra (Hatchback) (2017) is 95 mm (3.74 inch) higher, 526 kg (1,160 lbs) lighter and has 85 liters (3.00 ft3) bigger cargo space than Audi S3 (2015).
