Audi S4 (2016) is 58 mm (2.28 inch) longer, 12 mm (0.47 inch) wider and has 20 liters (0.71 ft3) bigger cargo space than Vauxhall Astra (Sedan) (2014).
Vauxhall Astra (Sedan) (2014) is 94 mm (3.70 inch) higher and 300 kg (661 lbs) lighter than Audi S4 (2016).
