BMW 5 Series Gran Turismo (2018) is 88 mm (3.46 inch) longer and 486 kg (1,071 lbs) lighter than Porsche Cayenne (2016).
Porsche Cayenne (2016) is 87 mm (3.43 inch) wider, 220 mm (8.66 inch) higher and has 140 liters (4.94 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2018).