Buick LaCrosse (2016) is 455 mm (17.91 inch) longer, 215 mm (8.46 inch) higher and has 27 liters (0.95 ft3) bigger cargo space than Mercedes AMG GT (2019).
Mercedes AMG GT (2019) is 82 mm (3.23 inch) wider and 122 kg (269 lbs) lighter than Buick LaCrosse (2016).