Audi A6 Avant (2017) is 245 mm (9.65 inch) longer, 61 mm (2.40 inch) wider and has 25 liters (0.88 ft3) bigger cargo space than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 74 mm (2.91 inch) higher and 215 kg (474 lbs) lighter than Audi A6 Avant (2017).
