Alfa Romeo Giulia (2018) 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) (2015).
Mazda 3 (Hatchback) (2015) is 19 mm (0.75 inch) higher and 180 kg (397 lbs) lighter than Alfa Romeo Giulia (2018).