Buick Regal (2015) is 297 mm (11.69 inch) longer and 34 mm (1.34 inch) wider than Ford Focus (Sedan) (2017).
Ford Focus (Sedan) (2017) is 1 mm (0.04 inch) higher, 342 kg (754 lbs) lighter and has 73 liters (2.58 ft3) bigger cargo space than Buick Regal (2015).