BMW 5 Series Gran Turismo (2020) is 88 mm (3.46 inch) longer and 440 kg (970 lbs) lighter than Porsche Cayenne (2018).
Porsche Cayenne (2018) is 87 mm (3.43 inch) wider, 210 mm (8.27 inch) higher and has 140 liters (4.94 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2020).