Ford F-250 (2016) is 614 mm (24.17 inch) longer, 38 mm (1.50 inch) higher and has 106 liters (3.74 ft3) bigger cargo space than GMC Sierra 2500HD (2019).
GMC Sierra 2500HD (2019) is 6 mm (0.24 inch) wider and 302 kg (666 lbs) lighter than Ford F-250 (2016).