Mercedes G-Class (2015) is 108 mm (4.25 inch) longer, 295 mm (11.61 inch) higher and has 137 liters (4.84 ft3) bigger cargo space than Mercedes GLC-Class (2017).
Mercedes GLC-Class (2017) is 23 mm (0.91 inch) wider and 495 kg (1,091 lbs) lighter than Mercedes G-Class (2015).