GMC Sierra 3500HD (2017) is 1079 mm (42.48 inch) longer, 234 mm (9.21 inch) wider, 547 mm (21.54 inch) higher and has 1583 liters (55.90 ft3) bigger cargo space than Hyundai Elantra (2017).
Hyundai Elantra (2017) is 1418 kg (3,126 lbs) lighter than GMC Sierra 3500HD (2017).