Acura RDX (2018) is 260 mm (10.24 inch) longer, 68 mm (2.68 inch) wider, 157 mm (6.18 inch) higher and has 318 liters (11.23 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 300 kg (661 lbs) lighter than Acura RDX (2018).