Chevrolet Sonic (Sedan) (2016) is 122 mm (4.80 inch) higher, 544 kg (1,199 lbs) lighter and has 98 liters (3.46 ft3) bigger cargo space than Ford Mustang (2017).
Ford Mustang (2017) is 367 mm (14.45 inch) longer and 181 mm (7.13 inch) wider than Chevrolet Sonic (Sedan) (2016).