BMW 8 Series (G14) (2018) is 153 mm (6.02 inch) longer, 7 mm (0.28 inch) wider and has 35 liters (1.24 ft3) bigger cargo space than Nissan GT-R (2017).
Nissan GT-R (2017) is 31 mm (1.22 inch) higher and 198 kg (437 lbs) lighter than BMW 8 Series (G14) (2018).