Jaguar XK-Series (2018) is 36 mm (1.42 inch) wider and 5 kg (11 lbs) lighter than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 123 mm (4.84 inch) longer, 193 mm (7.60 inch) higher and has 246 liters (8.69 ft3) bigger cargo space than Jaguar XK-Series (2018).