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2026 GMC Sierra 1500: What’s New and Different?

New 2026 GMC Sierra 1500 Key Feature Highlights

Get ready to take command of every road in the all-new 2026 GMC Sierra 1500—a light-duty truck engineered for exceptional capability and a wide range of smart, driver-focused features. With eight available trim levels—Pro, SLE, Elevation, SLT, AT4, Denali, AT4X and Denali Ultimate—the new GMC Sierra 1500 offers a versatile range for every truck enthusiast, from work-ready performance to premium luxury.  Advanced technologies like Super Cruise hands-free driving enhance both safety and comfort, making every journey—on or off the road—more confident and immersive. Read on to learn more about the new and different features of the 2026 GMC Sierra 1500 with the experienced Terra Nova product advisors. 

How the 2025 Sierra 1500 AT4X Tackles Different Terrains
How Much Can the 2025 GMC Sierra 1500 Tow?
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Excellent Powertrain and Towing Capabilities 

Like its previous models, the new Sierra 1500 is also available in four powerful engine options, each delivering incredible performance to keep you ahead on the road. Standard on the Pro, SLE and Elevation trim, the 2.7-litre TurboMax engine offers unmatched capabilities to provide powerful diesel-like performance. Whereas the 3.0-litre Duramax Turbo-Diesel engine delivers a maximum towing capacity of 6,032 kg (13,300 lbs), ensuring a seamless experience when hauling hefty loads. 

Specifications: 2.7L TurboMax Engine 5.3L EcoTec 3 V8 6.2L EcoTec  V8 3.0L Duramax Turbo-Diesel
Transmission 8-speed automatic 8-or 10-speed automatic  10-speed automatic 10-speed automatic
Horsepower 310 355 420 305
Torque (lb-ft) 430 (best-in-class) 383 460 495
Max. Towing (kg/lbs.) 4,309 / 9,500  5,080 / 11,200 5,942 / 13,100  6,032 / 13,300

Spacious and Versatile Interior

The new GMC Sierra 1500 is sturdy on the outside, but extremely comfortable and well-designed on the inside. It comes packed with clever storage and cargo options, ensuring you not only tow but also stow everything you want on your adventures conveniently. It offers:

  • Centre console storage
  • Rear under-seat storage
  • Large lower lockable glove box and upper glove box
  • Rear seatback storage with two compartments inside the rear outboard seatbacks

Available ProGrade Trailering System

What’s better than having an innovative ProGrade trailering system in the new 2026 Sierra 1500, helping you make all your towing experiences convenient, easy and seamless? This intelligent towing system offers an intelligent approach to trailering with integrated tools, such as:

  • In-Vehicle Trailering app
  • Trailer Light Sequence, which includes an automatic lighting test sequence
  • Five custom trailer profiles based on trailer name, trailer type and trailer hitch type
  • Trailer Load Calculator

SuperCruise Technology 

Experience the ultimate peace of mind on your road travels with the available Super Cruise hands-free driving technology. This innovative technology automates driving, lane changes, lane centring and more on compatible highways across Canada and the US, ensuring a secure and confident journey. 

Shop for the 2026 GMC Sierra 1500 in St.John’s, NL 

Love the new features of this dynamic light-duty truck? You can now finance selected models of the 2026 Sierra 1500, including the Pro Graphite, from 1.99% for 60 months*. And if you’re interested in leasing, selected models are available from 1.9% for 24 months. For more information on these exclusive leasing and financing options, browse our finance centre, today! 

Learn More About the 2026 GMC Sierra 1500 at Terra Nova GMC Buick

Get in touch with the experienced product advisors at Terra Nova GMC Buick to learn more about the new features and updates of the 2026 GMC Sierra 1500. You can also request a test drive by visiting our site at 595 Kenmount Road, St. John’s, Newfoundland and Labrador, and enjoy a firsthand experience of this light-duty truck. We look forward to serving you! 

*Disclaimer: This is a limited-time offer only valid till October 31, 2025