Ford F-250 (2014) is 186 mm (7.32 inch) longer, 36 mm (1.42 inch) higher and has 88 liters (3.11 ft3) bigger cargo space than GMC Sierra 2500HD (2015).
GMC Sierra 2500HD (2015) is 16 mm (0.63 inch) wider and 4081 kg (8,997 lbs) lighter than Ford F-250 (2014).