Ford F-250 (2017) is 368 mm (14.49 inch) longer and 38 mm (1.50 inch) higher than GMC Sierra 3500HD (2020).
GMC Sierra 3500HD (2020) is 44 mm (1.73 inch) wider, 169 kg (373 lbs) lighter and has 495 liters (17.48 ft3) bigger cargo space than Ford F-250 (2017).