The 2026 GMC Sierra 1500 is built to excel, showing off bold design, unparalleled capability, and innovation inside and out. Whether you’re cruising through the scenic roads of Glasgow, Montana, or tackling tough terrains, the Sierra 1500 is ready to handle it all. With its purpose-built range of trims and features, this truck offers something for everyone.

Designed to Impress: The Exterior of the 2026 GMC Sierra 1500
The 2026 GMC Sierra 1500 makes a bold statement with its distinct grille options, available CarbonPro composite bed with Best-in-Class short bed cargo volume, and the revolutionary 6-function MultiPro Tailgate. These features are not just about style—they’re crafted for functionality, allowing drivers to load, unload, and organize their gear effortlessly. The Sierra’s aerodynamic design and commanding presence make it a standout on any road.
In Glasgow, Montana, where outdoor adventures are abundant, the Sierra 1500’s rugged build and versatile exterior features ensure it’s ready for any challenge.
Unmatched Capability and Performance
The 2026 GMC Sierra 1500 offers 3 engines, starting with the 355-hp 5.3L V8. For heavy-duty tasks, the 6.2L V8 is a champ with 420 hp and 460 lbs.-ft. of torque, enabling a 13,300-lb. towing capacity. Additionally, the Duramax® 3.0L Turbo-Diesel with Active Thermal Management generates 495 lbs.-ft. of torque with exceptional efficiency.
For off-roading in Glasgow, Montana, or just facing snowy winters and rocky roads, the Sierra 1500’s rugged capabilities are a game-changer. A 2-inch factory lift, off-road suspension, and Rancho® monotube shocks are available on AT4 and AT4X trims, making it a perfect companion for exploring rugged terrains. The AT4X is equipped with both front and rear locking differentials—a combo not offered by any competitor—while available Multimatic DSSV™ dampers ensure smooth ride quality on or off-road.
Advanced Technology for a Connected Drive
The 2026 GMC Sierra 1500 is packed with cutting-edge technology to enhance the driving experience. The Super Cruise hands-free driver assistance system provides added convenience on compatible roads, while up to 14 available camera views make towing and parking easier than ever. The 40 inches of combined digital displays provide a sophisticated, yet intuitive interface, including a 13.4” infotainment screen with Google Built-in, a 12.3” customizable Driver Information Center, and an available 15” Head-Up Display.
For those who take on long drives, these advanced tech features ensure you stay connected, comfortable, and in control.
Premium Comfort and Interior Craftsmanship
Step inside the 2026 GMC Sierra 1500, and you’ll find an interior designed with premium materials and thoughtful details. From available leather-appointed seating to heated and ventilated, power-adjustable front seats, the Sierra 1500 prioritizes comfort. The Crew Cab configuration boasts best-in-class front head and legroom, making it ideal for long trips or busy workdays.
For residents of Glasgow, MT, who value both practicality and luxury, the Sierra 1500’s interior strikes the perfect balance. Whether you’re commuting or embarking on an adventure, this truck ensures a refined ride.
Discover the 2026 GMC Sierra 1500 at Glasgow Auto Sales. Visit Glasgow Auto Sales to explore inventory, learn more about available trims, and schedule your test drive today. Your next adventure in Glasgow, MT, starts with the GMC Sierra 1500.


