Buick LaCrosse (2017) is 471 mm (18.54 inch) longer, 172 mm (6.77 inch) higher and has 75 liters (2.65 ft3) bigger cargo space than Mercedes AMG GT (2019).
Mercedes AMG GT (2019) is 72 mm (2.83 inch) wider and 101 kg (223 lbs) lighter than Buick LaCrosse (2017).