BMW 5 Series (2015) is 52 mm (2.05 inch) longer and 345 kg (761 lbs) lighter than Porsche Cayenne (2020).
Porsche Cayenne (2020) is 95 mm (3.74 inch) wider, 225 mm (8.86 inch) higher and has 110 liters (3.88 ft3) bigger cargo space than BMW 5 Series (2015).