Maserati Quattroporte (2018) is 1706 mm (67.17 inch) longer, 303 mm (11.93 inch) wider, 3 mm (0.12 inch) higher and has 279 liters (9.85 ft3) bigger cargo space than Seat Mii (2020).
Seat Mii (2020) is 550 kg (1,213 lbs) lighter than Maserati Quattroporte (2018).
