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New 2026 GMC Sierra 2500 AT4 Crew Cab

Stock #G26900

Vehicle Notes

Thank you for choosing Weirs Motor Sales, this Onyx Black 2026 GMC Sierra 2500HD AT4 is a great choice! Checkout the following: Transparent Pricing: A…
Read More… Thank you for choosing Weirs Motor Sales, this Onyx Black 2026 GMC Sierra 2500HD AT4 is a great choice! Checkout the following: Transparent Pricing: At $86,942, what you see is what you pay. Customer-First Service: Our award-winning team treats you like family, backed by an excellent customer satisfaction rating. NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT: EMISSIONS, COLORADO, CONNECTICUT, DELAWARE, MAINE, MARYLAND, MASSACHUSETTS, MINNESOTA, NEVADA, NEW JERSEY, NEW MEXICO, NEW YORK, OREGON, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WASHINGTON STATE REQUIREMENTS, EMISSIONS OVERRIDE, FEDERAL, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, TRANSMISSION, 10-SPEED AUTOMATIC, GVWR, 11,350 LBS. (5148 KG), REAR AXLE, 3.42 RATIO, WHEELS, 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS, TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL, ONYX BLACK, SEATS, FRONT BUCKET, JET BLACK WITH KALAHARI ACCENTS, PERFORATED FRONT LEATHER SEAT TRIM, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, AT4 PREMIUM PLUS PACKAGE, TECHNOLOGY PACKAGE, AT4 PREFERRED PACKAGE, SNOW PLOW PREP/CAMPER PACKAGE, ENGINE BLOCK HEATER, ALTERNATOR, 220 AMP, EXHAUST BRAKE, SUNROOF, POWER, ASSIST STEPS, POWER RETRACTABLE, BLACK, WINTER GRILLE COVER, LAMPS, SMOKED AMBER ROOF MARKER, (LED), LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING, ASSIST HANDLE, SIDE, MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, UNIVERSAL HOME REMOTE, REAR CAMERA MIRROR AT4 Premium Plus Package ($5,035 value)Power-Retractable Black Assist StepsPower SunroofTechnology PackagePreferred Equipment Group 4SBSiriusXM with 360L Trial SubscriptionPower Front Passenger Windows with Express Up/downDeep-Tinted GlassKeyless Open and StartRear Wheelhouse LinersRear Premium Floor Liners with Removable Carpet InsertFront Premium Floor Liners with Removable Carpet InsertPush Button StartRemote Vehicle Starter SystemElectric Rear-Window DefoggerWIPERS, FRONT RAIN-SENSINGBEDLINER, SPRAY-ONCENTER CONSOLEGloss Black Header Grille and Grille Insert BarsSafety Alert SeatWireless ChargingSEATING, HEATED DRIVER AND FRONT OUTBOARD PASSENGERHeated 2nd Row Outboard Seats120-Volt Bed Mounted Power Outlet120-Volt Instrument Panel Power OutletVentilated Driver and Front Passenger SeatsSTEERING COLUMN, MANUAL TILT AND TELESCOPING2-Speed Active Transfer CaseSierra HD Pro SafetyWireless Phone ProjectionProGrade Trailering SystemTrailer Cam Provisions and Trailer Viewing Software2 Charge/data USB Ports Inside Center ConsoleUSB PORTS2 Charge-Only Rear USB PortsUltrasonic Front and Rear Park AssistOnStar Services CapableLED Cargo Area LightingRear Cross Traffic AlertSteering Wheel Audio ControlsTrailer Side Blind Zone AlertBose Premium 7-Speaker Sound SystemUnauthorized Entry Theft-Deterrent SystemHD Surround VisionBed View Camera with Two Trailer Camera ProvisionsX31 Off-Road PackageAT4 Preferred PackagePOWER SLIDING REAR WINDOWLED Smoked Amber Roof Marker LampsUniversal Home RemoteSNOW PLOW PREP/ CAMPER PACKAGE * 220-AMP ALTERNATOR * INCREASED FRONT GAWR * SKID PLATES * ROOF EMERGENCY LIGHT PROVISIONS W/PASS THROUGH ($150 value)220-Amp AlternatorSkid Plates Convenience This intelligent cruise control system maintains a preset following distance behind another vehicle, automatically braking or accelerating as required.Safety and Security The vehicle is equipped with a system that senses, and then prepares, the vehicle and/or occupants, for an impending forward collision. The vehicle constantly monitors the roadway in front of the vehicle and identifies and tracks pedestrians on an interior display. If the system determines a likely impact, it will automatically take preventative steps to avoid hitting the pedestrian. The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display. A head-up display projects gauge (speed, RPM, etc.) information onto the
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Chassis Details

Stock Number

G26900

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 2500

Class

GVWR

11,350

Drivetrain

4WD

Cab Type

Crew

Vehicle Trim

AT4

Vehicle VIN

1GT4UPEY4TF387327

Interior Color

Jet Black with Kalahari accents, Perforated Front Leather seat trim

Seating Capacity

Exterior Color Description

Onyx Black

Engine Cylinder Count

Engine

6.6L Duramax Turbo-Diesel V8 engine

Transmission Type

Automatic

Fuel Type

Diesel

Engine Model

L5P

Engine Size (L)

6.6

Horsepower

470

Vehicle Options

Wipers, front rain-sensing
Rear Seat Belt Indicator
Steering wheel, heated
Theft-deterrent system, unauthorized entry
Air filtration monitoring
Suspension, Off-Road includes twin-tube shocks
Floor covering, color-keyed carpeting
Compass, located in instrument cluster
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Daytime Running Lamps, LED signature lighting
Mirror, inside rearview auto-dimming
Wheels, 20" (50.8 cm) High Gloss black aluminum wheels 8 spokes (STD)
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Keyless Open and Start includes remote keyless entry
Hill Descent Control
Four wheel drive
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Rear Seat Reminder
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Air vents, rear
Bumper, rear body-color with bumper CornerSteps
Cooling, auxiliary external transmission oil cooler
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Bumper, front, body-color lower
Bose Sound System, premium 7-speaker system with Richbass woofer
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.
Trailer brake controller, integrated
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
USB Ports, 2, Charge/Data ports located inside center console
Tailgate and bed rail protection caps, top
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Air conditioning, dual-zone automatic climate control
Exterior Temperature Display, located in radio display
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Trailer Camera Provisions and trailer viewing software
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
LED Signature DRL's
Safety Alert Seat
SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
Door locks, power
Seats, ventilated driver and front passenger
Steering wheel audio controls
Steering column, manual Tilt-Wheel and telescoping
Defogger, rear-window electric
Windows, power rear, express down
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
Cargo tie downs (12), fixed, rated at 500 lbs per corner
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Air filter, heavy-duty
CornerStep, rear bumper
Auto-locking rear differential
Door handles, body-color
Trailer Side Blind Zone Alert
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)
Wireless phone projection for Apple CarPlay and Android Auto
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Recovery hooks, Red
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Premium Floor Liners with removable carpet insert, rear
Rear Cross Traffic Alert
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Fog lamps, LED
Moldings, beltline, Black
Premium Floor Liners with removable carpet insert, front
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Seat trim, Perforated front Leather
Tires, LT275/65R20 all-terrain, blackwall (STD)
Adaptive Cruise Control
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
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
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Seats, front bucket with center console (STD)
Seat adjuster, passenger 10-way power including lumbar
Wheelhouse liners, rear
Glass, deep-tinted
Seating, heated driver and front outboard passenger
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)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
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
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Transfer case, two-speed active, electronic Autotrac with push button control
Brake lining wear indicator
Mirror caps, high gloss Black
Seat adjuster, driver 10-way power including lumbar
USB Ports, 2 (first row) located on console
Tire, spare LT275/70R18 all-terrain, blackwall
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.)
Steering wheel, wrapped
Front and Rear Park Assist, ultrasonic
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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.)
Bluetooth for phone connectivity to vehicle infotainment system
Window, power front, passenger express up/down
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Skid Plates protect the oil pan, front axle and transfer case
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
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.)
USB ports, (2) charge-only, rear
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.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
Seat Belt Adjustable Guide Loops, front row only
Cooling, external engine oil cooler
Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
Seats, heated second row outboard seats
SiriusXM Trial Subscription
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
Wireless Charging
Remote vehicle starter system
Windows, power front, drivers express up/down
Sunroof, power
License plate kit, front, Incandescent lighting
GVWR, 11,350 lbs. (5148 kg)
Multicolor 15" Diagonal Head-Up Display
Alternator, 220 amp
Emissions, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
Transmission, 10-speed automatic
Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
Engine block heater
Exhaust brake
Universal Home Remote
AT4 Preferred Package
Jet Black with Kalahari accents, Perforated Front Leather seat trim
Emissions override, Federal
Rear Camera Mirror
Winter Grille Cover
Assist handle, side
AT4 Preferred Equipment Group
Option/package discount
Assist steps, power retractable, Black
Battery, heavy-duty dual 730 cold-cranking amps/70 Amp-hr
Lamps, Smoked Amber roof marker, (LED)
Window, power, rear sliding with rear defogger
Onyx Black
Capped Fuel Fill
Rear axle, 3.42 ratio
AT4 Premium Plus Package
Technology Package
Snow Plow Prep/Camper Package
AT4 PREMIUM PLUS PACKAGE DISCOUNT
CUSTOMER DIALOGUE NETWORK
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