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Price: $90,884

New 2026 GMC Sierra 2500 AT4 Crew Cab

Stock #G26278
New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 1
New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 1 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 2 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 3 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 4 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 5 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 6 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 7 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 8 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 9 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 10 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 11 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 12 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 13 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 14 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 15 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 16 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 17 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 18 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 19 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 20 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 21 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 22 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - photo 23 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G26278 - 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 2500HD AT4 is a true workhorse, engineered to tackle any job with uncompromising power and capability. Equipped with the legendary Duramax 6.6L V8 Turbodiesel engine and a robust 10-speed automatic transmission, this truck delivers exceptional performance, towing capacity, and fuel efficiency. The AT4 trim level adds an off-road-focused suspension, skid plates, and high-clearance steps, making it the perfect companion for your outdoor adventures. - Power Retractable Assist Steps with LED Lighting - Dual 220-Amp Alternators - Engine Block Heater - Snow Plow Prep/Camper Package - Gooseneck/5th Wheel Prep Package - AT4 Premium Plus Package - Technology Package Step inside this Sierra 2500HD AT4 and you'll be greeted by a spacious and well-appointed cabin. Luxurious perforated leather-appointed seats, heated and ventilated for your comfort, provide a premium driving experience. The Bose Premium 7-Speaker Sound System and the large 15-inch Head-Up Display keep you connected and entertained on the road. The advanced safety features, including Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert, provide added peace of mind, while the Trailer Cam Provisions and Trailer Viewing Software make towing a breeze. With the Gooseneck/5th Wheel Prep Package, this Sierra 2500HD AT4 is ready to haul your largest loads with ease. Whether you're tackling tough job sites, navigating off-road terrain, or simply seeking a capable and comfortable daily driver, this 2026 GMC Sierra 2500HD AT4 is the perfect choice. Its impressive power, advanced technology, and premium features make it a standout in the heavy-duty truck segment. We invite you to experience the exceptional capabilities of this Sierra 2500HD AT4 for yourself. Visit our showroom today and let our knowledgeable sales team demonstrate why this truck is the perfect fit for your needs. We're confident that once you take it for a test drive, you'll be convinced that this is the truck you've been searching for.
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Chassis Details

Stock Number
G26278
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
GVWR
11,350
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4
Vehicle VIN
1GT4UPEY1TF192561
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 2500 AT4 Crew Cab for sale #G26278 - photo 2
Photos may be stock images.

Body Details

Body Type
Pickup
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Pricing Details

Price $90,884
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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