GMC Sierra 2500HD (2014) is 775 mm (30.51 inch) longer, 36 mm (1.42 inch) wider, 196 mm (7.72 inch) higher and has 393 liters (13.88 ft3) bigger cargo space than Honda Pilot (2016).
Honda Pilot (2016) is 1004 kg (2,213 lbs) lighter than GMC Sierra 2500HD (2014).