Used 2026 GMC Sierra 3500HD AT4
4x4
Vehicle Summary
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Dune
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Jet Black
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VIN 1GT4UVEY5TF117981
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Stock # 70949
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Condition Used
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Exterior Dune
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Interior Jet Black
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Engine Duramax 6.6L V8 Turbodiesel
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Fuel Type Diesel
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Drivetrain 4x4
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Transmission 10-Speed Automatic
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Location Summit Trucks
Mileage
Miles
Key Features
Heated Seats
Keyless Entry
Push Start
Tow Package
Adaptive Cruise Control
Cruise Control
Technology Package
Vehicle Description
2026 GMC SIERRA 3500HD AT4 CREW
CLEAN TITLE
NEW 37" NITTO RIDGE GRAPPLER
NEW HOSTILE CRAWLER RIMS
AT4 PREMIUM PLUS PACKAGE
TECHNOLOGY PACKAGE
X31 OFF-ROAD PACKAGE
GOOSENECK / 5TH WHEEL PREP PACKAGE
TRAILERING PACKAGE
HEATED AND COOLED FRONT SEATS
HEATED REAR SEATS
ADAPTIVE CRUISE CONTROL
HEAD-UP DISPLAY
AERIAL VIEW DISPLAY SYSTEM
KEYLESS ENTRY AND KEYLESS START
PREMIUM SOUND SYSTEM
BED LINER
RUNNING BOARDS
PROGRADE TRAILERING SYSTEM WITH HITCH GUIDANCE
6.6L V8 DIESEL TURBOCHARGED ENGINE
10-SPEED AUTOMATIC TRANSMISSION
FOUR-WHEEL DRIVE
This 2026 GMC Sierra 3500HD AT4 Crew Cab brings serious diesel capability, premium AT4 comfort, and heavy-duty trailering equipment together in a rugged, well-equipped truck built for work and confidence.
All advertised prices exclude tax, title, and registration. Equipment and features should be independently verified by the buyer prior to purchase.
Mountain West Auto Group
Love what you drive. Our vehicles will guarantee you enjoy your driving experience every day with comfort, style, advanced technology, and reliable performance that keeps you confident on every journey.
We promise your shopping experience will be unlike any other dealership. Our dealership culture feels like a close-knit family, where staff build genuine connections, creating an inviting atmosphere that makes people excited to do business with us and return time and time again.
We work directly with dozens of trusted financial institutions to carefully compare options and guarantee you the best possible rate, ensuring you save money and get a financing plan that fits your budget perfectly.
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Disclaimers
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New vehicle pricing includes all offers and incentives. Tax, Title, and Tags not included in vehicle prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us or by visiting us at the dealership. **With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 6.99% interest and 20% down payment.
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