Audi S7 (2020) is 83 mm (3.27 inch) longer, 48 mm (1.89 inch) wider and has 45 liters (1.59 ft3) bigger cargo space than Opel Insignia Grand Sport (2017).
Opel Insignia Grand Sport (2017) is 33 mm (1.30 inch) higher and 590 kg (1,301 lbs) lighter than Audi S7 (2020).
