Audi S4 (2017) is 87 mm (3.43 inch) longer, 28 mm (1.10 inch) wider and has 35 liters (1.24 ft3) bigger cargo space than Vauxhall Astra (Sedan) (2014).
Vauxhall Astra (Sedan) (2014) is 89 mm (3.50 inch) higher and 345 kg (761 lbs) lighter than Audi S4 (2017).
