Some trucks are built to get through the day, and some look like they're ready to move a mountain before lunch. The 2026 GMC Sierra 3500HD AT4 definit… Read More…
Some trucks are built to get through the day, and some look like they're ready to move a mountain before lunch. The 2026 GMC Sierra 3500HD AT4 definitely leans toward the second option. Finished in bold Onyx Black, this heavy-duty truck delivers a commanding presence backed by serious capability. Under the hood, the legendary Duramax 6.6L V8 Turbodiesel provides massive torque and dependable performance for towing, hauling, and tough jobs. The AT4 trim adds rugged off-road confidence while still maintaining a smooth and controlled ride on the highway. Its built for drivers who expect their truck to handle real work without hesitation.Inside, the Sierra 3500HD AT4 offers a refined cabin featuring Jet Black leather with Kalahari accents for a bold and upscale feel. The interior blends durability with comfort, making it just as suitable for long drives as it is for demanding workdays. Every detail is designed to keep both driver and passengers comfortable no matter where the road leads. This truck also includes the 2-Year/24k Young Auto Group Maintenance Plan for added peace of mind. That means two years of free oil changes, free tire rotations, and free safety inspections to help keep your Sierra running strong. Tax, title, and license fees extra. *Disclaimer: Contact dealer for details. Prices do not include additional fees and costs of closing, including government fees, taxes, any finance charges, any dealer documentation fees or any dealer installed accessories. All prices, specifications and availability subject to change without notice. Special internet prices cannot be combined with any other promotion. *Offers and incentives shown may not be available to all customers. Incentives lists are examples of offers available at the time of posting and are subject to change and expiration. Not all incentives can be redeemed together. To take advantage of rebates, incentives and/or financing offers you must take new retail delivery from dealer stock by the expiration date noted. Not all buyers will qualify for all incentives, GM financing or other offers. Restrictions apply. See us for complete details for more information.$500 - Purchase Allowance. Exp. 03/31/2026 Must trade in 2016 or newer with 80,000 miles or less.. Branded/salvage title will not qualify. Read Less
Chassis Details
Stock Number
1N2194
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4
Vehicle VIN
1GT4UVEY6TF241497
Interior Color
Jet Black With Kalahari Accents
Seating Capacity
5
Exterior Color Description
Onyx Black
Engine Cylinder Count
8
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Brake Type
Hydraulic
Vehicle Options
AT4 Preferred Package
AT4 Premium Plus Package
Gooseneck/5th Wheel Prep Package
Preferred Equipment Group 4SB
Technology Package
X31 Off-Road Package
7 Speakers
AM/FM radio: SiriusXM with 360L
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
Air Conditioning
Automatic temperature control
Electric Rear-Window Defogger
Front dual zone A/C
Rear window defroster
120-Volt Bed Mounted Power Outlet
120-Volt Instrument Panel Power Outlet
Driver Memory
Memory seat
Power driver seat
Power Front Windows with Passenger Express Up/Down
Power steering
Power windows
Push Button Start
Remote keyless entry
Remote Vehicle Starter System
Steering wheel mounted audio controls
Universal Home Remote
Manual Tilt-Wheel/Telescoping Steering Column
Off-Road Suspension
Speed-sensing steering
Traction control
4-Wheel Disc Brakes
ABS brakes
Dual front impact airbags
Dual front side impact airbags
Emergency communication system: OnStar Services capable
Front anti-roll bar
Front wheel independent suspension
Keyless Open and Start
Low tire pressure warning
Occupant sensing airbag
Overhead airbag
Power Sunroof
Pickup Bed
Brake assist
Electronic Stability Control
Lane Departure Warning System
Exterior Parking Camera Rear
Hill Descent Control
Auto High-beam Headlights
Delay-off headlights
Front fog lights
Fully automatic headlights
Panic alarm
Security system
Unauthorized Entry Theft-Deterrent System
Speed control
2-Speed Active Transfer Case
220 Amp Alternator
Engine Block Heater
Exhaust Brake
Heavy-Duty 80 Amp-Hour Battery
Auto-dimming door mirrors
Black Power-Retractable Assist Steps
Bumpers: body-color
Front License Plate Kit
Gloss Black Header and Grille Insert Bars
Heated door mirrors
IntelliBeam Automatic High Beam on/Off
LED Cargo Area Lighting
LED Smoked Amber Roof Marker Lamps
Off-Road High Clearance Step
Power door mirrors
Rear step bumper
Rear Wheelhouse Liners
Spray-on Pickup Bedliner with GMC Logo
Turn signal indicator mirrors
Winter Grille Cover
2 Charge-Only Rear USB Ports
2 Charge/Data USB Ports Inside Center Console
2 USB Ports
Auto-Dimming Inside Rearview Mirror with Camera
Auto-dimming Rear-View mirror
Automatic Emergency Braking
Bed View Camera with Two Trailer Camera Provisions
Buckle to Drive
Compass
Driver door bin
Driver vanity mirror
Floor-Mounted Center Console
Following Distance Indicator
Forward Collision Alert
Front Pedestrian Braking
Front reading lights
GMC Premium 13.4" Diagonal Information Display
HD Surround Vision
Heated steering wheel
Illuminated entry
Multicolor 15" Diagonal Head-Up Display
Outside temperature display
Overhead console
Passenger vanity mirror
Premium Front Floor Liners with Removable Carpet Insert
Premium Rear Floor Liners with Removable Carpet Insert