Alfa Romeo Giulia (2019) is 153 mm (6.02 inch) higher, 301 kg (664 lbs) lighter and has 308 liters (10.88 ft3) bigger cargo space than Aston Martin DB9 (2014).
Aston Martin DB9 (2014) is 76 mm (2.99 inch) longer and 7 mm (0.28 inch) wider than Alfa Romeo Giulia (2019).