McLaren 570GT (2017) is 142 mm (5.59 inch) wider and 690 kg (1,521 lbs) lighter than Porsche Cayenne (2020).
Porsche Cayenne (2020) is 324 mm (12.76 inch) longer, 487 mm (19.17 inch) higher and has 300 liters (10.59 ft3) bigger cargo space than McLaren 570GT (2017).