BMW 8 Series (G15) (2018) is 331 mm (13.03 inch) longer, 138 mm (5.43 inch) higher and has 276 liters (9.75 ft3) bigger cargo space than McLaren 650S Coupe (2015).
McLaren 650S Coupe (2015) is 191 mm (7.52 inch) wider and 456 kg (1,005 lbs) lighter than BMW 8 Series (G15) (2018).