Ford F-250 (2014) is 186 mm (7.32 inch) longer and 34 mm (1.34 inch) higher than GMC Sierra 3500HD (2019).
GMC Sierra 3500HD (2019) is 16 mm (0.63 inch) wider, 2757 kg (6,078 lbs) lighter and has 23 liters (0.81 ft3) bigger cargo space than Ford F-250 (2014).