BMW 8 Series (G15) (2018) is 257 mm (10.12 inch) longer, 23 mm (0.91 inch) higher and has 128 liters (4.52 ft3) bigger cargo space than Ferrari Portofino (2020).
Ferrari Portofino (2020) is 36 mm (1.42 inch) wider and 260 kg (573 lbs) lighter than BMW 8 Series (G15) (2018).