BMW X6 (2017) is 397 mm (15.63 inch) longer, 499 mm (19.65 inch) higher and has 436 liters (15.40 ft3) bigger cargo space than McLaren 650S Coupe (2015).
McLaren 650S Coupe (2015) is 104 mm (4.09 inch) wider and 632 kg (1,393 lbs) lighter than BMW X6 (2017).