BMW 8 Series (G14) (2019) is 99 mm (3.90 inch) longer, 144 mm (5.67 inch) higher and has 350 liters (12.36 ft3) bigger cargo space than McLaren Senna (2018).
McLaren Senna (2018) is 56 mm (2.20 inch) wider and 549 kg (1,210 lbs) lighter than BMW 8 Series (G14) (2019).