BMW 8 Series (G15) (2018) 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 (2018).
Toyota GR Supra (2018) is 295 kg (650 lbs) lighter than BMW 8 Series (G15) (2018).