Alfa Romeo Giulia (2018) is 604 mm (23.78 inch) longer, 138 mm (5.43 inch) wider and has 66 liters (2.33 ft3) bigger cargo space than Chevrolet Sonic (Hatchback) (2018).
Chevrolet Sonic (Hatchback) (2018) is 70 mm (2.76 inch) higher and 254 kg (560 lbs) lighter than Alfa Romeo Giulia (2018).