Key Features
Body Type Pickup
Fuel Type
Engine Description
Drivetrain 4WD
Cab Type Crew Cab
Trim AT4
Vehicle Details
Stock Number
GT8863
Stock Type
New
Year
2026
Make
Model
Model Code
TK30743
Cab Type
Crew
Vehicle Trim
AT4
Body Type
VIN
1GT4UVEY8TF338863
Brake Type
Hydraulic
Dimensions
Class
3
Drivetrain
4WD
Transmission
Transmission Type
Automatic
Engine Description
6.6L Duramax Turbo-Diesel V8 engine
Engine Cylinder Count
8
Engine Model
L5P
Engine Size (L)
6.6
Horsepower
470
Fuel Type
Diesel
Seat Dimensions
Seating Capacity
5
Interior Color
Jet Black with Kalahari accents, Perforated Front Leather seating surfaces
Lipscomb Auto Center ci2 Test Site
location_on Bowie, TX
schedule
Listing Notes
This 2026 GMC Sierra 3500HD AT4 in Beige is engineered for those who demand capability without compromise, whether you're managing job sites, hauling trailers, or navigating challenging terrain.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- GMC MultiPro Tailgate for versatile loading and workspace flexibility- HD Surround Vision with multiple camera angles for enhanced awareness- All-Terrain Tires for confident off-road and challenging surface performance- Trailering Package with integrated hitch guidance and trailer camera provisions- Skid Plates for undercarriage protection during off-road use- Android Auto and Apple CarPlay for seamless smartphone integration- Bose Premium 7-Speaker Sound System with SiriusXM 360L trial subscription- 15 Diagonal Multicolor Head-Up Display for essential information at a glance- Heated and ventilated front seats with 10-way power adjustability and lumbar support- Spray-on Pickup Bedliner with GMC Logo for lasting cargo protection- IntelliBeam automatic high-beam headlights for adaptive lighting control- Remote Vehicle Starter System and keyless push-button start- 120-Volt bed and instrument panel power outlets for jobsite convenience- 20 High Gloss Black aluminum wheels with winter grille coverThe AT4 Preferred Package and Technology Package deliver premium appointments throughout the cabin. The heated steering wheel, auto-dimming rearview mirror with camera, and dual-zone automatic climate control create a refined driving environment. Wireless phone projection and charging keep your devices powered during extended drives, while the overhead console and floor-mounted center console provide organized storage for daily essentials.Built on proven heavy-duty engineering, this Sierra 3500HD features a 2-speed active transfer case, off-road suspension tuning, and hill descent control for reliable performance in demanding conditions. The 220-amp alternator and heavy-duty 80-amp-hour battery supply the power necessary for work and lifestyle demands. Automatic emergency braking, lane departure warning, rear cross traffic alert, and trailer side blind zone alert contribute to your confidence on every drive.The exterior combines aggressive AT4 styling with practical functionality. Coastal Dune beige paint complements the gloss black grille insert bars and black GMC emblems, while the rear step bumper and LED cargo area lighting enhance utility. Front rain-sensing wipers, heated power door mirrors with turn signal indicators, and the integrated winter grille cover address seasonal challenges year-round.This Sierra 3500HD represents a mature approach to heavy-duty truck ownership, combining genuine work capability with the comfort and connectivity you deserve. The thoughtfully appointed interior, robust powertrain, and comprehensive safety and trailering systems make this truck ready for whatever comes next. Visit our showroom to experience the commanding presence and commanding capability this truck delivers.
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/month
Excludes tax, tag and other fees. This estimate is for general information purposes only.























