Auto Gallery Chevrolet GMC is always Striving for Excellence Come see us and find out why we have That Hometown Feel and how we make Big City Deals!In… Read More…
Auto Gallery Chevrolet GMC is always Striving for Excellence Come see us and find out why we have That Hometown Feel and how we make Big City Deals!Introducing the 2026 GMC Sierra 2500HD AT4 a commanding crew cab built for serious work and refined daily driving. Finished in Black with stunning Jet Black and Kalahari Accents leather, this 4WD powerhouse combines rugged capability with premium comfort. Powered by a 6.6L V8 engine paired with a 10-speed automatic transmission, the Sierra 2500HD delivers the strength and dependability you expect from GMC.The AT4 package elevates this truck with purpose-built features for adventure and everyday excellence:- Heated and ventilated leather front seats with 10-way power adjustment and lumbar support- Premium Bose 7-speaker sound system with SiriusXM satellite radio- 15-inch multicolor head-up display for essential driving information- Wireless smartphone projection and charging for seamless connectivity- Automatic emergency braking, lane departure warning, and rear cross-traffic alert- HD surround vision with bed view camera and trailer camera provisions- 20-inch high-gloss black aluminum wheels with all-terrain capability- Power sunroof for enhanced openness and style- Heated rear seats and spray-on bedliner with GMC logo- X31 Off-Road Package with hill descent control and off-road suspensionThis Sierra 2500HD combines advanced technology, safety features, and genuine off-road readiness. Schedule your test drive today and experience the AT4 difference.Auto Gallery Chevrolet GMC open 6 days a week and 24/7 at AutoGalleryChevyGMC.com or AutoGalleryGMC.com. Proudly serving the communities of LaGrange, Newnan, Columbus, Auburn and all of greater Troup County. (706)668-4783 Read Less
Chassis Details
Stock Number
TG2111
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
Drivetrain
4WD
Wheelbase
158.94
Cab Type
Crew
Vehicle Trim
AT4
Vehicle VIN
1GT4UPE78TF425066
Interior Color
Jet Black With Kalahari Accents
Seating Capacity
5
Exterior Color Description
Onyx Black
Engine Cylinder Count
8
Engine
Gas V8 6.6L/
Transmission Type
Automatic
Fuel Type
Gasoline
Engine Model
L8T
Engine Size (L)
6.6
Vehicle Options
WHEELS 20 (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 spokes (STD)
REAR CAMERA MIRROR inside rearview auto-dimming with full camera display
TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15 Diagonal Head-Up Display
JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM
TIRES LT275/65R20 E 126/123 BF GOODRICH OFF-ROAD T/A KO3
LPO OFF-ROAD HIGH CLEARANCE STEPS (dealer-installed)
UNIVERSAL HOME REMOTE
ENGINE 6.6L V8 with Direct Injection and Variable Valve Timing gasoline (401 hp [299 kW] @ 5200 rpm 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
DELETED MOBILE SERVICE PLUS. Delete MobileService+ service conveniences - Mobile Service Pick-up & Delivery and Loaner with Drop Off. By selecting R9W you acknowledge that you are forgoing the margin and the ability to receive MobileService+ allowances
AUDIO SYSTEM 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD)
SUNROOF POWER
SEATS FRONT BUCKET with center console (STD)
AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
LAMPS SMOKED AMBER ROOF MARKER (LED)
AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) AT4 high clearance step LPO
GVWR 10 850 LBS. (4921 KG) (STD)
TRANSMISSION 10-SPEED AUTOMATIC (STD)
ONYX BLACK
WINDOW POWER REAR SLIDING WITH REAR DEFOGGER
AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps
Everyone qualifies for the Auto Gallery Discount. Internet prices on new vehicles already include all applicable factory rebates and incentives (in lieu of the GM Special finance rate) which are subject to manufacturer incentive or rebate qualification criteria and requirements, which may be contingent to finance with GM Financial to receive a GM incentive. Out of state buyers are responsible for all state, county, city taxes as well as title/registration fees in the state the vehicle will be registered. To qualify for the internet price, you must finance with GM Financial or the dealers preferred lender; excluding GM incentivized interest rates.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.