GMC Sierra 2500HD (2018) is 1301 mm (51.22 inch) longer, 214 mm (8.43 inch) wider, 292 mm (11.50 inch) higher and has 990 liters (34.96 ft3) bigger cargo space than Hyundai Tucson (2014).
Hyundai Tucson (2014) is 1138 kg (2,509 lbs) lighter than GMC Sierra 2500HD (2018).