GMC Sierra 2500HD (2014) is 724 mm (28.50 inch) longer, 36 mm (1.42 inch) wider, 176 mm (6.93 inch) higher and has 393 liters (13.88 ft3) bigger cargo space than Honda Pilot (2020).
Honda Pilot (2020) is 1087 kg (2,396 lbs) lighter than GMC Sierra 2500HD (2014).