GMC Terrain (2014) is 77 mm (3.03 inch) longer, 71 mm (2.80 inch) wider, 246 mm (9.69 inch) higher and has 1322 liters (46.69 ft3) bigger cargo space than Mercedes CLA-Class (2017).
Mercedes CLA-Class (2017) is 263 kg (580 lbs) lighter than GMC Terrain (2014).