26 0 2020 GMC G23405 Box Truck - 276HP, 8 Speed Automatic $21,750 USD Used 2020 GMC G23405 Box Truck for sale, 276 HP 4.3L V6 gasoline engine, 8-speed automatic transmission, single rear axle, 135" wheelbase, 31-gallon fuel capacity, 92,118 miles. Check it out... ConditionUsedUsage92,118 MilesDuty ClassLight Duty Box TruckHorse Power276 HPEngine ModelGMC 4.3LV6Transmission8 Speed AutomaticSleeper Size0"SuspensionSpringRear AxleSingle AxleRear End5,360 lb 3.42 ratioStock Number374478 MLS Number13552481CategoryDelivery / Moving / Straight / Box Trucks Last Updated10/27/2025 LocationCapitol Heights, MD, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info