Audi S4 (2018) is 47 mm (1.85 inch) longer and 28 mm (1.10 inch) wider than Opel Astra Sports Tourer (2020).
Opel Astra Sports Tourer (2020) is 124 mm (4.88 inch) higher, 275 kg (606 lbs) lighter and has 45 liters (1.59 ft3) bigger cargo space than Audi S4 (2018).
