BMW 8 Series (G15) (2019) is 187 mm (7.36 inch) longer, 40 mm (1.57 inch) higher and has 128 liters (4.52 ft3) bigger cargo space than Ferrari Roma (2020).
Ferrari Roma (2020) is 72 mm (2.83 inch) wider and 254 kg (560 lbs) lighter than BMW 8 Series (G15) (2019).