The 2024 GMC Sierra HD officially hit the limelight last year, revealing a refresh that includes new exterior styling, a new cabin, two new trim levels, and a powertrain update. Critically, one of the refreshed 2024 GMC Sierra HD’s wheel sets is currently unavailable to order. Now, GM Authority is here is provide you with the details.
According to GM Authority sources, the 2024 GMC Sierra HD is currently unavailable to order with the 20-inch Machined Aluminum Bolt Pattern wheels with High Gloss Black Accents. Tagged with RPO code SQ9, these wheels are offered as an LPO-level option, which means they are installed by the dealer, as opposed to at the factory when the vehicle is initially produced.
Normally, the 20-inch Machined Aluminum Bolt Pattern wheels with High Gloss Black Accents are offered as optional on 2024 GMC Sierra HD AT4, Denali, and Denali Ultimate trim levels. Pricing is normally set at $3,350.
Making its formal introduction in October of the 2022 calendar year, the 2024 GMC Sierra HD features an updated look thanks to a new front bumper, a new fascia, a new grille, and six new exterior colors. The trim level lineup now includes the premium 2024 GMC Sierra HD Denali Ultimate, highlighted by Vader chrome exterior trim, 20-inch Ultra-bright wheels, and an Alpine Umber interior. The 2024 model-year refresh also introduces the new GMC Sierra HD AT4X, which ups the Sierra HD’s off-road prowess with a variety of trail-ready components and equipment.
As for the greasy bits under the hood, the 2024 GMC Sierra HD is available with two powertrain options, starting with the naturally aspirated 6.6L V8 L8T gasoline engine as standard, with output set at 401 horsepower and 464 pound-feet of torque. Customers can also opt for the 6.6L V8 L5P turbodiesel Duramax engine, which was uprated for the 2024 model year to 470 horsepower and 975 pound-feet of torque.