Alfa Romeo Giulia (2018) is 945 mm (37.20 inch) longer, 153 mm (6.02 inch) wider and has 280 liters (9.89 ft3) bigger cargo space than Vauxhall Adam (2017).
Vauxhall Adam (2017) is 48 mm (1.89 inch) higher and 403 kg (888 lbs) lighter than Alfa Romeo Giulia (2018).