Mazda 3 (Sedan) (2020) is 554 mm (21.81 inch) longer, 74 mm (2.91 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than Toyota Matrix (2017).
Toyota Matrix (2017) is 78 mm (3.07 inch) higher and 188 kg (414 lbs) lighter than Mazda 3 (Sedan) (2020).
