Buick Regal (2017) is 414 mm (16.30 inch) longer and 122 mm (4.80 inch) wider than Chevrolet Sonic (Sedan) (2014).
Chevrolet Sonic (Sedan) (2014) is 43 mm (1.69 inch) higher, 417 kg (919 lbs) lighter and has 20 liters (0.71 ft3) bigger cargo space than Buick Regal (2017).
