Ford F-450 (2014) is 1459 mm (57.44 inch) longer, 404 mm (15.91 inch) wider, 157 mm (6.18 inch) higher and has 461 liters (16.28 ft3) bigger cargo space than GMC Sierra 1500 (2018).
GMC Sierra 1500 (2018) is 677 kg (1,493 lbs) lighter than Ford F-450 (2014).