Ford F-350 (2014) is 980 mm (38.58 inch) longer, 403 mm (15.87 inch) wider, 53 mm (2.09 inch) higher and has 471 liters (16.63 ft3) bigger cargo space than GMC Sierra 2500HD (2017).
GMC Sierra 2500HD (2017) is 778 kg (1,715 lbs) lighter than Ford F-350 (2014).