Alfa Romeo Giulia (2019) is 97 mm (3.82 inch) higher, 449 kg (990 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than BMW 8 Series (G14) (2020).
BMW 8 Series (G14) (2020) is 191 mm (7.52 inch) longer and 29 mm (1.14 inch) wider than Alfa Romeo Giulia (2019).