Audi Q8 (2018) is 102 mm (4.02 inch) longer, 136 mm (5.35 inch) wider, 254 mm (10.00 inch) higher and has 374 liters (13.21 ft3) bigger cargo space than Opel Insignia Grand Sport (2020).
Opel Insignia Grand Sport (2020) is 810 kg (1,786 lbs) lighter than Audi Q8 (2018).
