Audi A8 (2021) is 481 mm (18.94 inch) longer and 131 mm (5.16 inch) wider than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 61 mm (2.40 inch) higher, 858 kg (1,892 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than Audi A8 (2021).
