Seat Mii (2017) is 3 mm (0.12 inch) higher and 503 kg (1,109 lbs) lighter than Subaru Impreza WRX (2018).
Subaru Impreza WRX (2018) is 1023 mm (40.28 inch) longer, 151 mm (5.94 inch) wider and has 127 liters (4.48 ft3) bigger cargo space than Seat Mii (2017).