Cadillac XTS (2014) is 277 mm (10.91 inch) longer and 373 kg (822 lbs) lighter than Porsche Cayenne (2017).
Porsche Cayenne (2017) is 103 mm (4.06 inch) wider, 187 mm (7.36 inch) higher and has 161 liters (5.69 ft3) bigger cargo space than Cadillac XTS (2014).
