Alfa Romeo Giulia (2018) is 183 mm (7.20 inch) longer, 78 mm (3.07 inch) wider and has 123 liters (4.34 ft3) bigger cargo space than Mazda 3 (Hatchback) (2020).
Mazda 3 (Hatchback) (2020) is 4 mm (0.16 inch) higher and 127 kg (280 lbs) lighter than Alfa Romeo Giulia (2018).