BMW 8 Series (G14) (2018) is 14 mm (0.55 inch) longer, 10 mm (0.39 inch) wider, 88 kg (194 lbs) lighter and has 1 liters (0.04 ft3) bigger cargo space than Nissan CrossCabriolet (2017).
Nissan CrossCabriolet (2017) is 343 mm (13.50 inch) higher than BMW 8 Series (G14) (2018).