Ford Expedition (2014) has 73 liters (2.58 ft3) bigger cargo space than GMC Sierra 2500HD (2015).
GMC Sierra 2500HD (2015) is 843 mm (33.19 inch) longer, 43 mm (1.69 inch) wider, 27 mm (1.06 inch) higher and 1168 kg (2,575 lbs) lighter than Ford Expedition (2014).