Mercedes GLS-Class (2021) is 1274 mm (50.16 inch) longer, 263 mm (10.35 inch) wider, 378 mm (14.88 inch) higher and has 63 liters (2.22 ft3) bigger cargo space than Seat Ibiza (2015).
Seat Ibiza (2015) is 1396 kg (3,078 lbs) lighter than Mercedes GLS-Class (2021).