Ford F-150 (2015) is 480 mm (18.90 inch) longer, 573 kg (1,263 lbs) lighter and has 46 liters (1.62 ft3) bigger cargo space than GMC Sierra 2500HD (2014).
GMC Sierra 2500HD (2014) is 20 mm (0.79 inch) wider and 49 mm (1.93 inch) higher than Ford F-150 (2015).