Mazda 3 (Hatchback) (2020) is 15 mm (0.59 inch) wider and 5 mm (0.20 inch) higher than Toyota Corolla (Sedan) (2018).
Toyota Corolla (Sedan) (2018) is 170 mm (6.69 inch) longer, 72 kg (159 lbs) lighter and has 144 liters (5.09 ft3) bigger cargo space than Mazda 3 (Hatchback) (2020).