Buick LaCrosse (2017) is 600 mm (23.62 inch) longer, 63 mm (2.48 inch) wider and has 4 liters (0.14 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 33 mm (1.30 inch) higher and 351 kg (774 lbs) lighter than Buick LaCrosse (2017).