Cadillac XTS (2016) is 462 mm (18.19 inch) longer and 651 kg (1,435 lbs) lighter than Mercedes G-Class (2018).
Mercedes G-Class (2018) is 78 mm (3.07 inch) wider, 468 mm (18.43 inch) higher and has 157 liters (5.54 ft3) bigger cargo space than Cadillac XTS (2016).