Ford F-250 (2020) is 267 mm (10.51 inch) longer and 80 mm (3.15 inch) higher than GMC Sierra 3500HD (2019).
GMC Sierra 3500HD (2019) is 13 mm (0.51 inch) wider, 381 kg (840 lbs) lighter and has 363 liters (12.82 ft3) bigger cargo space than Ford F-250 (2020).