Chevrolet Sonic (Sedan) (2014) is 860 mm (33.86 inch) longer, 90 mm (3.54 inch) wider, 38 mm (1.50 inch) higher and has 209 liters (7.38 ft3) bigger cargo space than Seat Mii (2017).
Seat Mii (2017) is 227 kg (500 lbs) lighter than Chevrolet Sonic (Sedan) (2014).
