Audi A6 Avant (2018) is 240 mm (9.45 inch) longer, 73 mm (2.87 inch) wider and has 26 liters (0.92 ft3) bigger cargo space than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 67 mm (2.64 inch) higher and 435 kg (959 lbs) lighter than Audi A6 Avant (2018).
