BMW 8 Series (G15) (2020) is 39 mm (1.54 inch) wider than Opel Insignia Grand Sport (2017).
Opel Insignia Grand Sport (2017) is 54 mm (2.13 inch) longer, 114 mm (4.49 inch) higher, 459 kg (1,012 lbs) lighter and has 70 liters (2.47 ft3) bigger cargo space than BMW 8 Series (G15) (2020).
