2026 GMC Sierra 2500HD AT4
ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE
Features
Interior
Jet Black with Kalahari accents
Drivetrain
Four Wheel Drive
Horsepower
470 hp @ 2800 rpm
Torque
975 lb-ft @ 1600 rpm
Truck Bed Length
6.85 ft at the floor level
Truck Bed Width
5.95 ft at the floor level
Included Packages & Options
ASSIST STEPS, POWER RETRACTABLE, BLACK
Includes LED Lighting
$2,295
AT4 PREMIUM PLUS PACKAGE
Includes (PDO) AT4 Preferred Package
(CF5) Power Sunroof
(CWM) Technology Package And (VXW) AT4 High Clearance Step
LPO
$5,035
ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE
(470 Hp [350.5 Kw] @ 2800 Rpm
975 Lb-Ft Of Torque [1322 Nm] @ 1600 Rpm)
$9,990
GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH.
Includes Hitch Platform With Tray To Accept Ball
Stamped Bed Holes With Removable Caps Installed And Bed Mounted 7-Pin Trailer Harness (Similar To UY2 Harness).
$545
TECHNOLOGY PACKAGE
Includes (DRZ) Rear Camera Mirror And (UV6) Multicolor 15" Diagonal Head-Up Display
$1,340
AT4 PREFERRED EQUIPMENT GROUP
Includes Standard Equipment
Included
AT4 PREFERRED PACKAGE
Includes (UG1) Universal Home Remote
(A48) Rear Sliding Power Window And (U01) Roof Marker Lamps
$405
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
Included
BATTERY, HEAVY-DUTY DUAL 730 COLD-CRANKING AMPS/70 AMP-HR
Maintenance-Free With Rundown Protection And Retained Accessory Power
Included
CAPPED FUEL FILL
Included
EMISSIONS, FEDERAL REQUIREMENTS
Included
GVWR, 11,350 LBS. (5148 KG)
Included
JET BLACK WITH KALAHARI ACCENTS, PERFORATED FRONT LEATHER SEAT TRIM
Included
LAMPS, SMOKED AMBER ROOF MARKER, (LED)
$55
LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING
Included
LPO, HITCH PACKAGE
Gooseneck Ball And Chain Tiedown Kit With Case
(Dealer-Installed)
$375
MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY
Included
REAR AXLE, 3.42 RATIO
Included
REAR CAMERA MIRROR
Inside Rearview Auto-Dimming With Full Camera Display
Included
SEATS, FRONT BUCKET
With Center Console
Included
TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL
Included
TRANSMISSION, 10-SPEED AUTOMATIC
Included
UNIVERSAL HOME REMOTE
Included
WHEELS, 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS
8 Spokes
Included
WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER
Included
WINTER GRILLE COVER
Included
Total Added Value
$21,780
Description
Demand attention on the road and the trail with this exceptional, Carfax 1-Owner 2026 GMC Sierra 2500HD 4WD Crew Cab 159" AT4. Finished in a commanding Onyx Black exterior, this heavy-duty pickup perfectly blends rugged off-road prowess with premium styling. As a highly desirable Carfax 1-Owner vehicle, it offers buyers the peace of mind that comes with a history of dedicated care, making it an elite choice for those demanding the very best in a pre-owned truck.
Under the hood, this formidable machine is powered by the legendary Duramax 6.6L Turbo-Diesel V8 engine, a B20-diesel compatible powerhouse engineered to deliver massive torque and effortless towing capability. Paired with a robust Four Wheel Drive system, this 2026 GMC Sierra 2500HD is built to conquer demanding terrain, haul heavy payloads, and handle challenging towing tasks with absolute confidence. The combination of its 6.6L 8-cylinder diesel strength and AT4 off-road architecture ensures that no job is too big and no destination is out of reach.
Inside, the cabin welcomes you with a sophisticated Jet Black interior featuring distinctive Kalahari accents, balancing rugged utility with premium comfort. This model is exceptionally well-equipped with the AT4 Premium Plus Package and the advanced Technology Package, alongside a power sunroof that opens up the spacious Crew Cab. Entering and exiting the cabin is made effortless with the power retractable black assist steps. For buyers seeking the perfect synergy of heavy-duty capability, modern technology, and premium comfort, this 2026 GMC Sierra 2500HD AT4 stands ready for your next adventure.
Specifications
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (SQE), (TCE) or (TCH), not available with any other Ship Thru code.)
Bumper, front, body-color lower
Bumper, rear body-color with bumper CornerSteps
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Mirror caps, high gloss Black
Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
Moldings, beltline, Black
Tailgate and bed rail protection caps, top
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Tailgate, GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Tire - Front : Tires - Front All-Terrain
Tire - Rear : Tires - Rear All-Terrain
Tire - Spare : Conventional Spare Tire
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Tire, spare LT275/70R18 all-terrain, blackwall
Tires : Tire Pressure Monitor
Tires, LT275/65R20 all-terrain, blackwall
Wheels, 20" (50.8 cm) High Gloss black aluminum wheels 8 spokes
Wipers, front rain-sensing
Power Retractable Running Boards
Running Boards/Side Steps
Auto-Dimming Rearview Mirror
Air conditioning, dual-zone automatic climate control
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Compass, located in instrument cluster
Defogger, rear-window electric
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Exterior Temperature Display, located in radio display
Floor covering, color-keyed carpeting
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Keyless Open and Start includes remote keyless entry
Mirror, inside rearview auto-dimming
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Premium Floor Liners with removable carpet insert, front
Premium Floor Liners with removable carpet insert, rear
Remote vehicle starter system
Seat adjuster, driver 10-way power including lumbar
Seat adjuster, passenger 10-way power including lumbar
Seat trim, Perforated front Leather
Seat, Up-level Rear with Storage Package 60/40 folding bench, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
Seating, heated driver and front outboard passenger
Seats, front bucket with center console
Seats, heated second row outboard seats
Seats, ventilated driver and front passenger
Steering : Power Steering
Steering column, manual Tilt-Wheel and telescoping
Steering wheel audio controls
Theft-deterrent system, unauthorized entry
USB ports, (2) charge-only, rear
USB Ports, 2 (first row) located on console
USB Ports, 2, Charge/Data ports located inside center console
Window, power front, passenger express up/down
Windows, power front, drivers express up/down
Windows, power rear, express down
Passenger Adjustable Lumbar
Adjustable Steering Wheel
Aerial View Display System
Steering Wheel Audio Controls
Universal Garage Door Opener
Variable Speed Intermittent Wipers
Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
Daytime Running Lamps, LED signature lighting
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Front and Rear Park Assist, ultrasonic
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Seat Belt Adjustable Guide Loops, front row only
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
Trailer Camera Provisions and trailer viewing software
Trailer Side Blind Zone Alert
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
Passenger Air Bag On/Off Switch
Driver Restriction Features
Front Collision Mitigation
Integrated Turn Signal Mirrors
Disclaimer
All advertised prices exclude government fees and taxes, any finance charges, any dealer document preparation charge, and any emission testing charge. While we try to make sure that all prices posted here are accurate at all times, we cannot be responsible for typographical and other errors that may appear on the site. We make every effort to provide you the most accurate, up-to-the-minute information; however, it is your responsibility to verify with the Dealer that all details listed are accurate. The dealership is not responsible for typographical, pricing, product information, advertising or shipping errors. Advertised prices and available quantities are subject to change without notice. All rates and offers are dependent on bank approval, which varies based on applicant's credit as well as the vehicle.
