Chevrolet Sonic (Sedan) (2016) is 120 mm (4.72 inch) higher, 544 kg (1,199 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than Ford Mustang (2018).
Ford Mustang (2018) is 372 mm (14.65 inch) longer and 180 mm (7.09 inch) wider than Chevrolet Sonic (Sedan) (2016).