Cadillac STS (2017) is 112 mm (4.41 inch) wider and 125 kg (276 lbs) lighter than Jaguar XJ-Series (2014).
Jaguar XJ-Series (2014) is 164 mm (6.46 inch) longer, 7 mm (0.28 inch) higher and has 42 liters (1.48 ft3) bigger cargo space than Cadillac STS (2017).