Chrysler 300 (2014) is 952 kg (2,099 lbs) lighter than GMC Sierra 2500HD (2020).
GMC Sierra 2500HD (2020) is 938 mm (36.93 inch) longer, 173 mm (6.81 inch) wider, 538 mm (21.18 inch) higher and has 1265 liters (44.67 ft3) bigger cargo space than Chrysler 300 (2014).