Buick LaCrosse (2017) is 138 mm (5.43 inch) longer, 13 mm (0.51 inch) wider, 18 mm (0.71 inch) higher and 134 kg (295 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) has 115 liters (4.06 ft3) bigger cargo space than Buick LaCrosse (2017).