GMC Sierra 3500HD (2017) is 766 mm (30.16 inch) longer, 186 mm (7.32 inch) wider, 513 mm (20.20 inch) higher and has 1518 liters (53.61 ft3) bigger cargo space than Honda Accord (2019).
Honda Accord (2019) is 1189 kg (2,621 lbs) lighter than GMC Sierra 3500HD (2017).