BMW 8 Series (G14) (2019) is 262 kg (578 lbs) lighter than Porsche Cayenne (2015).
Porsche Cayenne (2015) is 12 mm (0.47 inch) longer, 52 mm (2.05 inch) wider, 349 mm (13.74 inch) higher and has 320 liters (11.30 ft3) bigger cargo space than BMW 8 Series (G14) (2019).