Acura NSX (2018) is 355 mm (13.98 inch) wider than Buick Regal TourX (2018).
Buick Regal TourX (2018) is 516 mm (20.31 inch) longer, 269 mm (10.59 inch) higher, 43 kg (95 lbs) lighter and has 475 liters (16.77 ft3) bigger cargo space than Acura NSX (2018).