GMC Sierra 2500HD (2017) is 1225 mm (48.23 inch) longer, 186 mm (7.32 inch) wider, 334 mm (13.15 inch) higher and has 840 liters (29.66 ft3) bigger cargo space than Hyundai Tucson (2020).
Hyundai Tucson (2020) is 1017 kg (2,242 lbs) lighter than GMC Sierra 2500HD (2017).