Alfa Romeo Giulia (2018) is 97 mm (3.82 inch) higher, 439 kg (968 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than BMW 8 Series (G14) (2019).
BMW 8 Series (G14) (2019) is 200 mm (7.87 inch) longer and 29 mm (1.14 inch) wider than Alfa Romeo Giulia (2018).