View 26 Photos View 0 Videos 2021 GMC G33503 Box Truck - 276HP, 8 Speed Automatic, Roll up Door Price Drop $21,000 USD Used 2021 GMC G33503 Box Truck for sale, 276 HP 4.3L V6 GMC engine, 8-speed automatic transmission, 139" wheelbase, roll-up door, gasoline fuel, 33-gallon capacity, single rear axle. Check... ConditionUsedUsage103,473 MilesDuty ClassLight Duty Box TruckHorse Power276 HPEngine ModelGMC 4.3LV6Transmission8 Speed AutomaticSuspensionSpringRear AxleSingle AxleRear End6,084 lb 3.42 ratioDoor TypeRoll upStock Number9125241 MLS Number14116433CategoryDelivery / Moving / Straight / Box Trucks Last Updated7/29/2026 LocationLas Vegas, NV, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info