Cadillac CT6-V (2020) is 558 mm (21.97 inch) longer and 440 kg (970 lbs) lighter than Mercedes G-Class (2018).
Mercedes G-Class (2018) is 51 mm (2.01 inch) wider, 496 mm (19.53 inch) higher and has 220 liters (7.77 ft3) bigger cargo space than Cadillac CT6-V (2020).