Alfa Romeo Giulia (2019) is 95 mm (3.74 inch) higher, 340 kg (750 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than BMW 8 Series (G15) (2020).
BMW 8 Series (G15) (2020) is 200 mm (7.87 inch) longer and 29 mm (1.14 inch) wider than Alfa Romeo Giulia (2019).