Acura RDX (2015) is 241 mm (9.49 inch) longer, 76 mm (2.99 inch) wider, 116 mm (4.57 inch) higher and has 334 liters (11.80 ft3) bigger cargo space than Mercedes B-Class (2020).
Mercedes B-Class (2020) is 61 kg (134 lbs) lighter than Acura RDX (2015).