Buick LaCrosse (2016) is 867 mm (34.13 inch) longer, 40 mm (1.57 inch) wider, 201 mm (7.91 inch) higher and has 42 liters (1.48 ft3) bigger cargo space than Mercedes SLK-Class (2020).
Mercedes SLK-Class (2020) is 312 kg (688 lbs) lighter than Buick LaCrosse (2016).