GMC Sierra 2500HD (2014) is 1340 mm (52.76 inch) longer, 227 mm (8.94 inch) wider, 409 mm (16.10 inch) higher and has 1194 liters (42.17 ft3) bigger cargo space than Kia Niro EV (2018).
Kia Niro EV (2018) is 1170 kg (2,579 lbs) lighter than GMC Sierra 2500HD (2014).