GMC Sierra 3500HD (2018) is 837 mm (32.95 inch) longer, 41 mm (1.61 inch) wider, 174 mm (6.85 inch) higher and has 641 liters (22.64 ft3) bigger cargo space than Honda Pilot (2014).
Honda Pilot (2014) is 651 kg (1,435 lbs) lighter than GMC Sierra 3500HD (2018).