Acura RDX (2021) is 165 mm (6.50 inch) longer, 194 mm (7.64 inch) wider, 214 mm (8.43 inch) higher and has 463 liters (16.35 ft3) bigger cargo space than Mazda 3 (Sedan) (2014).
Mazda 3 (Sedan) (2014) is 416 kg (917 lbs) lighter than Acura RDX (2021).
