Audi A8 (2015) is 352 mm (13.86 inch) longer and 93 mm (3.66 inch) wider than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 42 mm (1.65 inch) higher, 410 kg (904 lbs) lighter and has 70 liters (2.47 ft3) bigger cargo space than Audi A8 (2015).
