View 26 Photos View 0 Videos 2021 GMC G33503 Box Truck - 276HP, 8 Speed Automatic, Roll up Door $27,500 USD Used 2021 GMC G33503 Box Truck, Delivery/Moving category, 276HP 4.3L V6 gasoline engine by GMC, 8-speed automatic transmission, 139" wheelbase, roll-up door, 33-gallon fuel capacity. Check... ConditionUsedUsage100,753 MilesDuty ClassLight Duty Box TruckHorse Power276 HPEngine ModelGMC 4.3LV6Transmission8 Speed AutomaticSuspensionSpringRear AxleSingle AxleRear End6,084 lb 3.42 ratioDoor TypeRoll upStock Number9125179 MLS Number14104934CategoryDelivery / Moving / Straight / Box Trucks Last Updated2/6/2026 LocationLa Mirada, CA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info