BMW 8 Series (G15) (2020) is 465 mm (18.31 inch) longer, 42 mm (1.65 inch) wider, 49 mm (1.93 inch) higher and has 235 liters (8.30 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 195 kg (430 lbs) lighter than BMW 8 Series (G15) (2020).