Alfa Romeo Giulia (2018) is 351 mm (13.82 inch) longer, 93 mm (3.66 inch) wider, 3 mm (0.12 inch) higher and has 109 liters (3.85 ft3) bigger cargo space than Mercedes A-Class (2017).
Mercedes A-Class (2017) is 89 kg (196 lbs) lighter than Alfa Romeo Giulia (2018).