GMC Sierra 3500HD (2014) is 1463 mm (57.60 inch) longer, 267 mm (10.51 inch) wider, 430 mm (16.93 inch) higher and has 1561 liters (55.13 ft3) bigger cargo space than Toyota Matrix (2018).
Toyota Matrix (2018) is 1329 kg (2,930 lbs) lighter than GMC Sierra 3500HD (2014).