Ford F-350 (2016) is 231 mm (9.09 inch) longer and 49 mm (1.93 inch) higher than GMC Sierra 2500HD (2015).
GMC Sierra 2500HD (2015) is 16 mm (0.63 inch) wider, 1091 kg (2,405 lbs) lighter and has 608 liters (21.47 ft3) bigger cargo space than Ford F-350 (2016).