BMW 8 Series (G14) (2020) is 456 mm (17.95 inch) longer, 42 mm (1.65 inch) wider, 47 mm (1.85 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 304 kg (670 lbs) lighter than BMW 8 Series (G14) (2020).