Mercedes GL-Class (2014) is 1589 mm (62.56 inch) longer, 353 mm (13.90 inch) wider, 372 mm (14.65 inch) higher and has 467 liters (16.49 ft3) bigger cargo space than Seat Mii (2017).
Seat Mii (2017) is 1549 kg (3,415 lbs) lighter than Mercedes GL-Class (2014).