Buick LaCrosse (2018) is 47 mm (1.85 inch) higher, 367 kg (809 lbs) lighter and has 5 liters (0.18 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 9 mm (0.35 inch) longer and 30 mm (1.18 inch) wider than Buick LaCrosse (2018).