BMW 6 Series Gran Coupe (2019) is 166 mm (6.54 inch) longer, 51 mm (2.01 inch) higher and has 39 liters (1.38 ft3) bigger cargo space than BMW 8 Series (G15) (2020).
BMW 8 Series (G15) (2020) is 7 mm (0.28 inch) wider and 77 kg (170 lbs) lighter than BMW 6 Series Gran Coupe (2019).
