GMC Terrain (2019) is 415 mm (16.34 inch) longer, 69 mm (2.72 inch) wider, 251 mm (9.88 inch) higher and has 1451 liters (51.24 ft3) bigger cargo space than Mercedes A-Class (2017).
Mercedes A-Class (2017) is 353 kg (778 lbs) lighter than GMC Terrain (2019).