Mercedes GLA-Class (2020) is 349 mm (13.74 inch) longer, 141 mm (5.55 inch) wider, 166 mm (6.54 inch) higher and has 143 liters (5.05 ft3) bigger cargo space than Seat Ibiza (2015).
Seat Ibiza (2015) is 514 kg (1,133 lbs) lighter than Mercedes GLA-Class (2020).