Buick LaCrosse (2017) is 348 mm (13.70 inch) longer and 722 kg (1,592 lbs) lighter than Mercedes G-Class (2018).
Mercedes G-Class (2018) is 64 mm (2.52 inch) wider, 508 mm (20.00 inch) higher and has 242 liters (8.55 ft3) bigger cargo space than Buick LaCrosse (2017).