Jaguar XJ-Series (2015) is 398 mm (15.67 inch) longer and 302 kg (666 lbs) lighter than Porsche Cayenne (2015).
Porsche Cayenne (2015) is 59 mm (2.32 inch) wider, 230 mm (9.06 inch) higher and has 240 liters (8.48 ft3) bigger cargo space than Jaguar XJ-Series (2015).