BMW 8 Series (G14) (2020) is 144 mm (5.67 inch) longer, 7 mm (0.28 inch) wider and has 35 liters (1.24 ft3) bigger cargo space than Nissan GT-R (2019).
Nissan GT-R (2019) is 31 mm (1.22 inch) higher and 208 kg (459 lbs) lighter than BMW 8 Series (G14) (2020).