BMW 7 Series (2017) is 243 mm (9.57 inch) longer and 385 kg (849 lbs) lighter than Porsche Cayenne (2018).
Porsche Cayenne (2018) is 52 mm (2.05 inch) wider, 210 mm (8.27 inch) higher and has 155 liters (5.47 ft3) bigger cargo space than BMW 7 Series (2017).
