GMC Sierra 1500 (2015) is 324 mm (12.76 inch) longer, 173 mm (6.81 inch) wider, 432 mm (17.01 inch) higher and has 1323 liters (46.72 ft3) bigger cargo space than Nissan Maxima (2017).
Nissan Maxima (2017) is 416 kg (917 lbs) lighter than GMC Sierra 1500 (2015).