GMC Sierra 2500HD (2014) is 1265 mm (49.80 inch) longer, 251 mm (9.88 inch) wider, 354 mm (13.94 inch) higher and has 1087 liters (38.39 ft3) bigger cargo space than Subaru Crosstrek (2017).
Subaru Crosstrek (2017) is 1478 kg (3,258 lbs) lighter than GMC Sierra 2500HD (2014).