Mercedes GL-Class (2020) is 883 mm (34.76 inch) longer, 182 mm (7.17 inch) wider, 391 mm (15.39 inch) higher and has 300 liters (10.59 ft3) bigger cargo space than Seat Leon (2014).
Seat Leon (2014) is 1371 kg (3,023 lbs) lighter than Mercedes GL-Class (2020).