Mercedes GLC-Class (2020) is 76 mm (2.99 inch) longer, 94 mm (3.70 inch) wider, 184 mm (7.24 inch) higher and has 10 liters (0.35 ft3) bigger cargo space than Subaru Impreza WRX (2018).
Subaru Impreza WRX (2018) is 566 kg (1,248 lbs) lighter than Mercedes GLC-Class (2020).