Whether or not the 2023 ... Most Sierra 2500HD models have a six-speaker audio system, but the Denali gets a seven-speaker setup, as well as built-in navigation. Denali has long denoted GMC's ...

Our test team measured a 6.9-second 0-60-mph time from a Sierra 3500HD Denali with dual rear wheels. Besides six standard airbags, basic versions of the 2023 GMC Sierra 3500HD do not come with any ...

General Motors announced an $888 million investment in the Tonawanda Propulsion plant for the production of a next-generation ...