Alfa Romeo Giulia (2019) is 183 mm (7.20 inch) longer, 77 mm (3.03 inch) wider and has 86 liters (3.04 ft3) bigger cargo space than Mazda 3 (Hatchback) (2017).
Mazda 3 (Hatchback) (2017) is 4 mm (0.16 inch) higher and 224 kg (494 lbs) lighter than Alfa Romeo Giulia (2019).