Buick LaCrosse (2016) is 122 mm (4.80 inch) longer, 3 mm (0.12 inch) wider, 61 mm (2.40 inch) higher and 113 kg (249 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) has 163 liters (5.76 ft3) bigger cargo space than Buick LaCrosse (2016).