Alfa Romeo Giulia (2018) is 143 mm (5.63 inch) higher, 255 kg (562 lbs) lighter and has 150 liters (5.30 ft3) bigger cargo space than Aston Martin Vantage (2017).
Aston Martin Vantage (2017) is 86 mm (3.39 inch) longer and 37 mm (1.46 inch) wider than Alfa Romeo Giulia (2018).