GMC Sierra 2500HD (2019) is 760 mm (29.92 inch) longer, 39 mm (1.54 inch) wider, 208 mm (8.19 inch) higher and has 402 liters (14.20 ft3) bigger cargo space than Honda Pilot (2017).
Honda Pilot (2017) is 913 kg (2,013 lbs) lighter than GMC Sierra 2500HD (2019).