BMW 5 Series Gran Turismo (2017) is 149 mm (5.87 inch) longer and 270 kg (595 lbs) lighter than Porsche Cayenne (2021).
Porsche Cayenne (2021) is 53 mm (2.09 inch) wider, 129 mm (5.08 inch) higher and has 170 liters (6.00 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2017).