Acura RLX (2017) is 522 mm (20.55 inch) longer, 94 mm (3.70 inch) wider, 10 mm (0.39 inch) higher and has 58 liters (2.05 ft3) bigger cargo space than Mazda 3 (Hatchback) (2015).
Mazda 3 (Hatchback) (2015) is 480 kg (1,058 lbs) lighter than Acura RLX (2017).