GMC Sierra 2500HD (2017) is 838 mm (32.99 inch) longer, 41 mm (1.61 inch) wider, 173 mm (6.81 inch) higher and has 368 liters (13.00 ft3) bigger cargo space than Honda Pilot (2014).
Honda Pilot (2014) is 540 kg (1,190 lbs) lighter than GMC Sierra 2500HD (2017).