The 2023 GMC Sierra is mostly unchanged from the preceding model year, including both the light-duty 2023 GMC Sierra 1500 and heavy-duty 2023 GMC Sierra HD. Now, however, GM Authority has learned that both models are currently unavailable to order with the chrome assist steps feature.
Typically, the 4-inch chromed round assist steps feature is offered as an LPO-level option, which means it is installed by the dealer, as opposed to at the factory where the vehicle is produced. Pricing for the feature was set at $845, with the feature available for the 2023 GMC Sierra 1500 SLE and 2023 GMC Sierra HD SLE.
It’s currently unclear if this feature will return for the 2023 model year, or the 2024 model year. Notably, this feature is unavailable to order for the 2023 Chevy Silverado 1500 and 2023 Chevy Silverado HD as well.
With regard to the greasy bits, the 2023 GMC Sierra 1500 is available with four powerplant options, including the turbocharged 2.7L I4 L3B gasoline engine, the naturally aspirated 5.3L V8 L84 gasoline engine, the naturally aspirated 6.2L V8 L87 gasoline engine, and the 3.0L I6 LM2 turbodiesel Duramax engine. Meanwhile, the 2023 GMC Sierra HD is offered with the naturally aspirated 6.6L V8 L8T gasoline engine and 6.6L V8 L5P turbodiesel Duramax engine.
Under the body panels, both pickups ride on the GM T1 platform, with the GMC Sierra HD riding on a more capable variant of the platform. Production of the GMC Sierra 1500 takes place at the GM Fort Wayne plant in Indiana and GM Silao plant in Mexico, while the GMC Sierra HD is produced at the GM Flint plant in Michigan.