Ford Flex (2017) is 224 mm (8.82 inch) wider and 591 kg (1,303 lbs) lighter than GMC Sierra 3500HD (2014).
GMC Sierra 3500HD (2014) is 704 mm (27.72 inch) longer, 253 mm (9.96 inch) higher and has 768 liters (27.12 ft3) bigger cargo space than Ford Flex (2017).
