Ford F-250 (2015) is 569 mm (22.40 inch) longer, 48 mm (1.89 inch) higher and has 88 liters (3.11 ft3) bigger cargo space than GMC Sierra 2500HD (2019).
GMC Sierra 2500HD (2019) is 6 mm (0.24 inch) wider and 346 kg (763 lbs) lighter than Ford F-250 (2015).