GMC Sierra 3500HD (2014) is 1199 mm (47.20 inch) longer, 247 mm (9.72 inch) wider, 209 mm (8.23 inch) higher and has 1426 liters (50.36 ft3) bigger cargo space than Nissan X-Trail (2015).
Nissan X-Trail (2015) is 1119 kg (2,467 lbs) lighter than GMC Sierra 3500HD (2014).