26 0 2021 GMC G33503 Box Truck - 276HP, 8 Speed Automatic, Roll up Door $24,750 USD Used 2021 GMC G33503 Box Truck for sale, 115,368 miles, 276 HP 4.3L V6 GMC engine, 8-speed automatic transmission, single rear axle with spring suspension, 33-gallon fuel capacity. Check it... ConditionUsedUsage115,368 MilesDuty ClassLight Duty Box TruckHorse Power276 HPEngine ModelGMC 4.3LV6Transmission8 Speed AutomaticSleeper Size0"SuspensionSpringRear AxleSingle AxleRear End6,084 lb 3.42 ratioDoor TypeRoll upStock Number9125084 MLS Number13899651CategoryDelivery / Moving / Straight / Box Trucks Last Updated10/27/2025 LocationSan Diego, CA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info