BMW 8 Series (G14) (2018) is 603 mm (23.74 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 708 kg (1,561 lbs) lighter than BMW 8 Series (G14) (2018).