BMW 4 Series (2015) is 148 mm (5.83 inch) wider, 299 kg (659 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than Jaguar XJ-Series (2014).
Jaguar XJ-Series (2014) is 432 mm (17.01 inch) longer and 77 mm (3.03 inch) higher than BMW 4 Series (2015).