What's New for the 2026 GMC Sierra HD?
GMC's Sierra HD is back for another year of domination, and the future is bright on every trim. They've adjusted a few of the paint options for their beloved Sierra HD and expanded access to Multipro tailgate designs. Still, other than that, it's a year of ramping up advanced features on lower trims and refining everything else.
What Are the 2026 Sierra HD Trims & Features?
The GMC Sierra HD is available in 2500 and 3500 variants, as well as in PRO, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate trims. There's a lot of information to learn about this particular model, so we suggest using this as a brief introduction and then diving deeper into your research with a member of our sales team. PRO trims start with an HD cargo bed volume that's best-in-class and up to 36,000 pounds of towing capacity. A 13.4" diagonal center touchscreen and a 12.3" diagonal digital driver information center provide GMC Sierra HD drivers with a clear view of their truck's functions, a great entertainment system, and crystal-clear navigation tools. Just as exciting is the handsome appearance of the GMC Sierra HD. SLE trims boast 17" machined aluminum wheels, Denali trims get 20" Ultra-Bright machined aluminum wheels with bright chrome inserts, and Denali Ultimate trims get a Vader Chrome grille that will be the talk of the town. Denali Ultimate trims also showcase just how comfortable this truck can be. You'll enjoy Alpine Umber full-grain leather seats, a 16-way power driver's seat with massage, and a 12-speaker Bose premium sound series to motivate or relax you.
How Much Horsepower Does the 2026 Sierra HD Have?
The 2026 Sierra HD's powertrain lineup includes a 401-horsepower 6.6L V8 and a 470-horsepower turbocharged 6.6L V8 diesel engine. Its engine is paired with a 10-speed automatic transmission.
What Safety Features Does the 2026 Sierra HD Include?
GMC offers up award-winning driver-assist features this year, as well as one of the toughest designs in the industry. If you're in a GMC truck, you can drive with confidence thanks to features like lane departure warning, forward collision alert, and automatic emergency braking.
Visit Us in MCKINNEY Today
To learn more about the GMC HD and its many trims, please contact us at McKinney Buick GMC.
