GMC Canyon (2015) is 849 mm (33.43 inch) longer, 499 mm (19.65 inch) higher and has 1064 liters (37.57 ft3) bigger cargo space than Mercedes AMG GT (2016).
Mercedes AMG GT (2016) is 53 mm (2.09 inch) wider and 1080 kg (2,381 lbs) lighter than GMC Canyon (2015).