Cadillac XTS (2017) is 36 mm (1.42 inch) longer, 84 mm (3.31 inch) higher, 403 kg (888 lbs) lighter and has 20 liters (0.71 ft3) bigger cargo space than Mercedes CL-Class (2014).
Mercedes CL-Class (2014) is 19 mm (0.75 inch) wider than Cadillac XTS (2017).