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Price: $91,889

New 2026 GMC Sierra 3500 AT4 Crew Cab

Stock #G26391
New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 1
New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 1 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 2 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 3 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 4 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 5 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 6 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 7 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 8 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 9 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 10 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 11 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 12 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 13 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 14 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 15 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 16 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 17 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 18 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 19 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 20 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 21 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 22 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 23 New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 24
Photos may be stock images.
Dealer Video
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Vehicle Notes

Fairfield's Autos, located in beautiful Keene, NH, and serving the New Hampshire, Vermont, Massachusetts, and New England region. Our experienced sale…
Read More… Fairfield's Autos, located in beautiful Keene, NH, and serving the New Hampshire, Vermont, Massachusetts, and New England region. Our experienced sales staff is eager to share its knowledge and enthusiasm with you. They'll work with you to find the right vehicle at a price you can afford. Come on in and take a test drive! Please call (603) 352-7700. This 2026 GMC Sierra 3500HD AT4 is a true workhorse, built to conquer the toughest terrain and handle your most demanding tasks. Powered by the formidable Duramax 6.6L V8 Turbodiesel engine, this truck delivers an impressive 470 horsepower and a staggering 975 lb-ft of torque, ensuring you have the muscle to tackle any job. - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.) - 7 Speakers - Bose Premium 7-Speaker Sound System - Premium audio system: Premium GMC Infotainment System - Radio: AM/FM Stereo with Premium GMC Infotainment System - SiriusXM with 360L Trial Subscription - Steering Wheel Audio Controls The Sierra 3500HD AT4 is built to conquer the great outdoors, with a rugged off-road suspension, 2-Speed Active Transfer Case, and heavy-duty 80 Amp-Hour Battery. The high-clearance steps and spray-on bedliner with GMC logo ensure you can tackle any terrain with confidence. Inside, the cabin is packed with premium features that elevate your driving experience. Enjoy the comfort of heated and ventilated front seats, a heated steering wheel, and a dual-zone automatic climate control system. The 13.4-inch diagonal premium information display and 15-inch head-up display keep you informed and in control. Safety is a top priority, with advanced features like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert. The Bed View Camera with Trailer Camera Provisions and Trailer Side Blind Zone Alert make towing a breeze. Whether you're tackling a job site, navigating the great outdoors, or simply commuting in style, this 2026 GMC Sierra 3500HD AT4 is the ultimate heavy-duty truck. Experience the power, capability, and premium features that set it apart. Visit Fairfield's Autos today and let our knowledgeable team help you find the perfect vehicle to fit your needs.
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Chassis Details

Stock Number
G26391
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,100
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4
Vehicle VIN
1GT4UVEYXTF208986
Interior Color
Jet Black with Kalahari accents, Perforated Front
Seating Capacity
5
Exterior Color Description
Sterling Metallic
Engine Cylinder Count
8
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Brake Type
Hydraulic
New 2026 GMC Sierra 3500 AT4 Crew Cab for sale #G26391 - photo 2
Photos may be stock images.

Body Details

Body Type
Pickup
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Pricing Details

Price $91,889
Additional Upfit Cost

Vehicle available NOW in Keene, NH.

Contact Fairfield's Buick GMC for more info.

(844) 262-7068
Disclaimer:
Website pricing is for internet shoppers only. Reply to this special here, or call Fairfield's Customer Care Center (855-230-3210) to qualify for this offer. You must print this page, and present it to your sales consultant, to qualify for this discounted price. When taking advantage of internet pricing, your trade will be valued at its Actual Cash Value (ACV). All new vehicle prices include manufacturer's rebates, and are subject to change. Pricing may not include additional fees and costs of closing, including government fees and taxes, any finance charges, any dealer administrative fees, any dealer administrative fees, any emissions testing fees, or any other fees. Prices may not include add-ons, including, but not limited to, plows, lifts, dump bodies, utility bodies, or after market accessories. All prices, specifications, and availability subject to change without notice. Dealer may not be held liable for typographical or clerical errors. Contact dealer for most current information, and to verify pricing.
EPA Estimates Only
Tax, title, license (unless itemized above) are extra. Not available with special finance, lease and some other offers.

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