Jaguar XK-Series (2018) is 10 mm (0.39 inch) wider and 180 kg (397 lbs) lighter than Mercedes CLS-Class (2015).
Mercedes CLS-Class (2015) is 150 mm (5.91 inch) longer, 97 mm (3.82 inch) higher and has 206 liters (7.27 ft3) bigger cargo space than Jaguar XK-Series (2018).