Buick Regal (2014) is 422 mm (16.61 inch) longer, 135 mm (5.31 inch) wider, 10 mm (0.39 inch) higher and has 40 liters (1.41 ft3) bigger cargo space than Ford Fiesta (Sedan) (2018).
Ford Fiesta (Sedan) (2018) is 496 kg (1,093 lbs) lighter than Buick Regal (2014).