Buick LaCrosse (2015) is 345 mm (13.58 inch) longer and 396 kg (873 lbs) lighter than Mercedes GLC-Class (2015).
Mercedes GLC-Class (2015) is 33 mm (1.30 inch) wider, 155 mm (6.10 inch) higher and has 44 liters (1.55 ft3) bigger cargo space than Buick LaCrosse (2015).