Acura RDX (2014) is 250 mm (9.84 inch) longer, 38 mm (1.50 inch) wider, 67 mm (2.64 inch) higher and has 304 liters (10.74 ft3) bigger cargo space than Mercedes GLA-Class (2018).
Mercedes GLA-Class (2018) is 123 kg (271 lbs) lighter than Acura RDX (2014).