Acura RDX (2015) is 200 mm (7.87 inch) longer, 76 mm (2.99 inch) wider, 238 mm (9.37 inch) higher and has 375 liters (13.24 ft3) bigger cargo space than Mazda 3 (Hatchback) (2017).
Mazda 3 (Hatchback) (2017) is 426 kg (939 lbs) lighter than Acura RDX (2015).