Mercedes GLA-Class (2015) is 356 mm (14.02 inch) longer, 111 mm (4.37 inch) wider, 49 mm (1.93 inch) higher and has 129 liters (4.56 ft3) bigger cargo space than Seat Ibiza (2015).
Seat Ibiza (2015) is 346 kg (763 lbs) lighter than Mercedes GLA-Class (2015).