Mercedes GLC-Class (2015) is 584 mm (22.99 inch) longer, 197 mm (7.76 inch) wider, 231 mm (9.09 inch) higher and has 67 liters (2.37 ft3) bigger cargo space than Seat Ibiza SC (2017).
Seat Ibiza SC (2017) is 1051 kg (2,317 lbs) lighter than Mercedes GLC-Class (2015).