GMC Sierra 2500HD (2014) is 765 mm (30.12 inch) longer, 101 mm (3.98 inch) wider, 194 mm (7.64 inch) higher and has 1047 liters (36.97 ft3) bigger cargo space than Volvo XC90 (2017).
Volvo XC90 (2017) is 1026 kg (2,262 lbs) lighter than GMC Sierra 2500HD (2014).