Nissan CrossCabriolet (2017) is 29 mm (1.14 inch) wider and 227 mm (8.94 inch) higher than Opel Insignia Grand Sport (2020).
Opel Insignia Grand Sport (2020) is 68 mm (2.68 inch) longer, 646 kg (1,424 lbs) lighter and has 141 liters (4.98 ft3) bigger cargo space than Nissan CrossCabriolet (2017).