GMC Canyon (2017) is 631 mm (24.84 inch) longer, 19 mm (0.75 inch) wider and has 927 liters (32.74 ft3) bigger cargo space than Mercedes G-Class (2016).
Mercedes G-Class (2016) is 166 mm (6.54 inch) higher and 130 kg (287 lbs) lighter than GMC Canyon (2017).