Buick LaCrosse (2017) is 725 mm (28.54 inch) longer, 87 mm (3.43 inch) wider, 28 mm (1.10 inch) higher and has 84 liters (2.97 ft3) bigger cargo space than Mercedes A-Class (2020).
Mercedes A-Class (2020) is 351 kg (774 lbs) lighter than Buick LaCrosse (2017).