Mercedes GLA-Class (2018) is 182 mm (7.17 inch) longer, 24 mm (0.94 inch) wider, 165 mm (6.50 inch) higher and has 55 liters (1.94 ft3) bigger cargo space than Seat Leon SC (2014).
Seat Leon SC (2014) is 374 kg (825 lbs) lighter than Mercedes GLA-Class (2018).