BMW 8 Series (G14) (2020) is 594 mm (23.39 inch) longer, 127 mm (5.00 inch) wider, 54 mm (2.13 inch) higher and has 107 liters (3.78 ft3) bigger cargo space than Toyota GT86 (2017).
Toyota GT86 (2017) is 718 kg (1,583 lbs) lighter than BMW 8 Series (G14) (2020).