As previously reported by GM Authority, the 2024 Chevy Silverado HD was unable to be ordered with several LPO, or dealer-installed, accessory assist steps. Now, the Bow Tie brand’s heavy-duty pickup line is unavailable with another option for the foreseeable future, and this time, it’s E85 FlexFuel capability.
In fact, the E85 FlexFuel capable feature (RPO code FHS) has been unavailable since the start of regular production (SORP). Typically, this feature is a $100 option on the Work Truck (WT) trim level only, and not offered at all on any other trims.
Additionally, this feature is only available with the 6.6L V8 L8T gasoline engine, and requires choosing the $275 trailer brake controller (RPO code JL1) as well. On WT units in the Regular Cab configuration, the WT Convenience Package (RPO code PCV) is also required.
As of the time of this writing, it’s unclear when E85 FlexFuel capability will be available to order again.
In regard to powertrain, the 2024 Silverado HD is equipped with the 6.6L L8T V8 gasoline engine as standard fare, while the 6.6L V8 L5P turbodiesel Duramax engine is optional. The Duramax boasts 470 horsepower and 975 pound-feet of torque, up by 25 horsepower and 65 pound-feet over the pre-refreshed models.
No matter the engine choice, every Chevy Silverado HD runs the Allison-branded 10-speed automatic transmission as standard, which replaces the GM six-speed equipped by gasoline-powered models previously.
As for structure, the Silverado HD rides on a more capable version of the GM T1 platform, while production takes place at the GM Flint plant in Michigan and GM Oshawa plant in Canada. In regard to pricing, a 2500 HD WT RWD truck in Regular Cab Long Bed configuration has a starting MSRP of $45,295, including a destination freight charge of $1,895.