Buick LaCrosse (2018) is 138 mm (5.43 inch) longer, 13 mm (0.51 inch) wider, 18 mm (0.71 inch) higher and 297 kg (655 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) has 135 liters (4.77 ft3) bigger cargo space than Buick LaCrosse (2018).