GM told dealers the update applies to both inventory and customer vehicles. Owners can call their dealer with a VIN to ...

Some units of the GMC Sierra 1500, Yukon, and Yukon XL trucks and SUVs need an ECM software update to fix a glitch with the ...

GM Authority is taking a closer look at pricing information for the 2026 GMC Acadia, including all of the options and ...

The GMC Acadia rolls into 2026 with a new range-topping Denali Ultimate trim level but is otherwise little changed.