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New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup

Stock #145633
New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 1
New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 1 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 2 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 3 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 4 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 5 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 6 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 7 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 8 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 9 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 10 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 11 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 12 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 13 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 14 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 15 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 16 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 17 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 18 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 19 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 20 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 21 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 22 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 23 New 2026 GMC Sierra 3500 AT4 Crew Cab 4WD Pickup for sale #145633 - photo 24
Photos may be stock images.
Dealer Video

Vehicle Notes

This vehicle won't be on the lot long! This truck refuses to compromise! Turbocharger technology provides forced air induction, enhancing performance …
Read More… This vehicle won't be on the lot long! This truck refuses to compromise! Turbocharger technology provides forced air induction, enhancing performance while preserving fuel economy. This model accommodates 5 passengers comfortably, and provides features such as: a rear step bumper, skid plates, and cruise control. It features an automatic transmission, 4-wheel drive, and a powerful 8 cylinder engine. We know that you have high expectations, and we enjoy the challenge of meeting and exceeding them! Please don't hesitate to give us a call.
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Chassis Details

Stock Number
145633
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,100
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4
Interior Color
Jet Black with Kalahari accents, Perforated Front
Seating Capacity
5
Exterior Color Description
Onyx Black
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 4WD Pickup for sale #145633 - photo 2
Photos may be stock images.

Body Details

Body Type
Pickup
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Pricing Details

Vehicle available NOW in Keene, NH.

Contact Fairfield's Buick GMC for more info.

(844) 262-7068

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