Cadillac XTS (2014) is 596 mm (23.46 inch) longer, 11 mm (0.43 inch) wider, 68 kg (150 lbs) lighter and has 59 liters (2.08 ft3) bigger cargo space than Mercedes GLK-Class (2017).
Mercedes GLK-Class (2017) is 198 mm (7.80 inch) higher than Cadillac XTS (2014).