Ford GT (2019) is 1384 kg (3,051 lbs) lighter than GMC Sierra 2500HD (2020).
GMC Sierra 2500HD (2020) is 1219 mm (47.99 inch) longer, 74 mm (2.91 inch) wider, 914 mm (35.98 inch) higher and has 1716 liters (60.60 ft3) bigger cargo space than Ford GT (2019).