Ford Flex (2017) is 178 mm (7.01 inch) wider and 741 kg (1,634 lbs) lighter than GMC Sierra 2500HD (2020).
GMC Sierra 2500HD (2020) is 857 mm (33.74 inch) longer, 298 mm (11.73 inch) higher and has 504 liters (17.80 ft3) bigger cargo space than Ford Flex (2017).
