GMC Sierra 1500 (2018) is 682 mm (26.85 inch) longer, 183 mm (7.20 inch) wider, 9 kg (20 lbs) lighter and has 701 liters (24.76 ft3) bigger cargo space than Nissan Xterra (2014).
Nissan Xterra (2014) is 35 mm (1.38 inch) higher than GMC Sierra 1500 (2018).