Acura RDX (2018) is 274 mm (10.79 inch) longer, 38 mm (1.50 inch) wider, 40 mm (1.57 inch) higher and has 304 liters (10.74 ft3) bigger cargo space than Mercedes GLA-Class (2020).
Mercedes GLA-Class (2020) is 132 kg (291 lbs) lighter than Acura RDX (2018).