Jaguar XJ-Series (2014) is 288 mm (11.34 inch) longer than Opel Insignia (2015).
Opel Insignia (2015) is 362 mm (14.25 inch) wider, 38 mm (1.50 inch) higher, 226 kg (498 lbs) lighter and has 110 liters (3.88 ft3) bigger cargo space than Jaguar XJ-Series (2014).