Buick Regal TourX (2019) is 317 mm (12.48 inch) longer and 786 kg (1,733 lbs) lighter than Mercedes G-Class (2018).
Mercedes G-Class (2018) is 69 mm (2.72 inch) wider, 486 mm (19.13 inch) higher and has 67 liters (2.37 ft3) bigger cargo space than Buick Regal TourX (2019).