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, offered across PRO, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate trim levels. This overview serves as a solid starting point - for more in-depth details, we recommend consulting with a member of our sales team. PRO trims highlight an HD cargo bed volume that's best-in-class and can support up to 36,000 pounds of towing capacity. Inside, drivers get a 13.4" diagonal center touchscreen paired with a 12.3" diagonal digital driver information center, delivering clear instrument readouts, strong entertainment options, and crisp navigation. Appearance upgrades are plentiful: SLE trims feature 17" machined aluminum wheels, Denali adds 20" Ultra-Bright machined aluminum wheels with bright chrome inserts, and Denali Ultimate boasts a Vader Chrome grille, sure to turn heads. The Denali Ultimate also underscores comfort with Alpine Umber full-grain leather seating, a 16-way power driver's seat with massage, and a 12-speaker Bose premium sound series.
How Much Horsepower Does the 2026 Sierra HD Have?
The 2026 Sierra HD offers a 401-horsepower 6.6L V8 and a 470-horsepower turbocharged 6.6L V8 diesel, both paired to a 10-speed automatic transmission.
What Safety Features Does the 2026 Sierra HD Include?
GMC continues to equip the Sierra HD with award-winning driver-assist technologies and a rugged build. Standard safety features include lane departure warning, forward collision alert, and automatic emergency braking, helping you feel secure behind the wheel.
Visit Us in Scottsdale Today
To learn more about the GMC HD and its many trims, please contact us at Van Buick GMC.
