Mercedes G-Class (2018) is 1112 mm (43.78 inch) longer, 286 mm (11.26 inch) wider, 491 mm (19.33 inch) higher and has 416 liters (14.69 ft3) bigger cargo space than Seat Mii (2020).
Seat Mii (2020) is 1158 kg (2,553 lbs) lighter than Mercedes G-Class (2018).