BMW 8 Series (G16) (2019) is 704 mm (27.72 inch) longer, 72 mm (2.83 inch) wider, 115 mm (4.53 inch) higher and has 255 liters (9.01 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 265 kg (584 lbs) lighter than BMW 8 Series (G16) (2019).