McLaren Senna (2018) is 4 mm (0.16 inch) wider and 811 kg (1,788 lbs) lighter than Porsche Cayenne (2015).
Porsche Cayenne (2015) is 111 mm (4.37 inch) longer, 493 mm (19.41 inch) higher and has 670 liters (23.66 ft3) bigger cargo space than McLaren Senna (2018).