Audi A6 (2020) is 26 mm (1.02 inch) longer and 30 mm (1.18 inch) wider than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 56 mm (2.20 inch) higher, 142 kg (313 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than Audi A6 (2020).
