Mercedes GL-Class (2015) is 1087 mm (42.80 inch) longer, 218 mm (8.58 inch) wider, 406 mm (15.98 inch) higher and has 325 liters (11.48 ft3) bigger cargo space than Seat Ibiza (2017).
Seat Ibiza (2017) is 1489 kg (3,283 lbs) lighter than Mercedes GL-Class (2015).