BMW X5 (2016) is 422 mm (16.61 inch) longer, 182 mm (7.17 inch) wider, 484 mm (19.06 inch) higher and has 466 liters (16.46 ft3) bigger cargo space than Porsche 718 Cayman (2021).
Porsche 718 Cayman (2021) is 899 kg (1,982 lbs) lighter than BMW X5 (2016).