GMC Terrain (2021) is 161 mm (6.34 inch) longer, 395 mm (15.55 inch) higher and has 1442 liters (50.92 ft3) bigger cargo space than Mercedes AMG GT (2020).
Mercedes AMG GT (2020) is 90 mm (3.54 inch) wider and 103 kg (227 lbs) lighter than GMC Terrain (2021).