Audi A6 Avant (2018) is 25 mm (0.98 inch) longer, 31 mm (1.22 inch) wider and has 6 liters (0.21 ft3) bigger cargo space than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 45 mm (1.77 inch) higher and 310 kg (683 lbs) lighter than Audi A6 Avant (2018).
