Cadillac CT6-V (2020) is 81 mm (3.19 inch) longer and 552 kg (1,217 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 118 mm (4.65 inch) wider, 377 mm (14.84 inch) higher and has 233 liters (8.23 ft3) bigger cargo space than Cadillac CT6-V (2020).