McLaren 675LT Coupe (2016) is 141 mm (5.55 inch) wider and 827 kg (1,823 lbs) lighter than Porsche Cayenne (2014).
Porsche Cayenne (2014) is 309 mm (12.17 inch) longer, 500 mm (19.69 inch) higher and has 475 liters (16.77 ft3) bigger cargo space than McLaren 675LT Coupe (2016).