Buick Regal (2017) is 2 mm (0.08 inch) longer, 336 kg (741 lbs) lighter and has 53 liters (1.87 ft3) bigger cargo space than Nissan CrossCabriolet (2017).
Nissan CrossCabriolet (2017) is 35 mm (1.38 inch) wider and 209 mm (8.23 inch) higher than Buick Regal (2017).