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New 2026 GMC Sierra 2500 AT4X Crew Cab

Stock #G26802

Window Sticker

Vehicle Notes

Thank you for choosing Weirs Motor Sales, this Coastal Dune 2026 GMC Sierra 2500HD AT4X is a great choice! Checkout the following: Transparent Pricing…
Read More… Thank you for choosing Weirs Motor Sales, this Coastal Dune 2026 GMC Sierra 2500HD AT4X is a great choice! Checkout the following: Transparent Pricing: At , 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, ENGINE, 6.6L V8, TRANSMISSION, 10-SPEED AUTOMATIC, GVWR, 11,025 LBS. (5001 KG), REAR AXLE, 3.73 RATIO, WHEELS, 18" (45.7 CM) MACHINED ALUMINUM WHEEL, COASTAL DUNE, SEATS, FRONT BUCKET, OBSIDIAN RUSH, FULL GRAIN LEATHER SEAT TRIM, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, SNOW PLOW PREP/CAMPER PACKAGE, ENGINE BLOCK HEATER, ALTERNATOR, 220 AMP, LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING, 3 YEARS SIRIUSXM Preferred Equipment Group 4SGSiriusXM with 360L Trial SubscriptionPower Sliding Rear Window with DefoggerPower 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 STARTElectric Rear-Window DefoggerFront Rain-Sensing WipersPower SunroofSpray-On Pickup Bedliner with GMC LogoCENTER CONSOLEREAR CAMERA MIRRORGloss Black Header Grille and Grille Insert BarsSafety Alert SeatHill Descent ControlWireless ChargingHeated Driver and Front Outboard Passenger SeatsHeated 2nd Row Outboard Seats120-Volt Bed Mounted Power Outlet120-Volt Instrument Panel Power OutletVentilated Driver and Front Passenger Seats6.6L V8 with Direct Injection and Variable Valve Timing EngineSTEERING COLUMN, MANUAL TILT AND TELESCOPING2-Speed Active Transfer CaseSierra HD Pro SafetyWireless Phone ProjectionProGrade Trailering SystemTrailer Tire Pressure Monitor SensorsTrailer Cam Provisions and Trailer Viewing SoftwareLED ROOF MARKER LAMPSUSB PORTSUSB PORTSUSB PORTSUltrasonic Front and Rear Park AssistOnStar Services CapableLED Cargo Area LightingRear Cross Traffic AlertUniversal Home RemoteSteering Wheel Audio ControlsTrailer Side Blind Zone AlertBose Premium Series 12-Speaker SystemUnauthorized Entry Theft-Deterrent SystemHD Surround VisionMULTI-COLOR HEAD UP DISPLAYBED VIEW CAMERASnow Plow Prep/camper Package ($530 value)220-Amp Alternator 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 inside of the windshield just below the driver's line of sight.Technology and Telematics Apple CarPlay/Android Auto smart device wireless mirroring Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. At Weirs Motor Sales, were here to Serve you! Our staff is 100% dedicated to customer satisfaction and we understand that you need clear, transparent information throughout the car buying process. With our live market pricing philosophy, we offer the right cars at the right price, and the transparency to back it up!
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Chassis Details

Stock Number

G26802

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 2500

Class

GVWR

11,025

Drivetrain

4WD

Cab Type

Crew

Vehicle Trim

AT4X

Interior Color

Obsidian Rush, Full Grain Leather seat trim

Seating Capacity

Exterior Color Description

Coastal Dune

Engine Cylinder Count

Engine

6.6L V8 Gas engine

Transmission Type

Automatic

Fuel Type

Gasoline

Engine Model

L8T

Engine Size (L)

6.6

Horsepower

401

Vehicle Options

Rear Cross Traffic Alert
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Keyless Open and Start includes remote keyless entry
GVWR, 11,025 lbs. (5001 kg) (STD) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Air filtration monitoring
Transfer case, two-speed active, electronic Autotrac with push button control
Multicolor 15" Diagonal Head-Up Display
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.)
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
Steering wheel audio controls
Steering wheel, leather-wrapped
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Daytime Running Lamps, LED signature lighting
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
Windows, power front, drivers express up/down
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.)
Seats, ventilated driver and front passenger
Steering column, manual Tilt-Wheel and telescoping
Transmission, 10-Speed automatic (STD)
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
Recovery hooks, Red (Deleted with (ULV) AT4X AEV Edition.)
Tires, LT305/70R18-126/123R, 35" M/T
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Front and Rear Park Assist, ultrasonic
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Premium Floor Liners with removable carpet insert, rear
Defogger, rear-window electric
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)
Rear Seat Belt Indicator
Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
Seat trim, Full Grain Leather
Compass, located in instrument cluster
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
Remote vehicle starter system
Trailer Side Blind Zone Alert
Door locks, power
Exterior Temperature Display, located in radio display
Wipers, front rain-sensing
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)
SiriusXM Trial Subscription
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Assist steps, power retractable, Black includes LED lighting (Not available with any other assist steps.)
Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
Bluetooth for phone connectivity to vehicle infotainment system
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
Air conditioning, dual-zone automatic climate control
Glass, deep-tinted
Cooling, external engine oil cooler
Fog lamps, LED
Moldings, beltline, Black
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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.)
Skid Plates, front aluminum
Window, power front, passenger express up/down
Window, power, rear sliding with rear defogger
Premium Floor Liners with removable carpet insert, front
Door handles, body-color (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
Bumper, front, body-color lower (Bumper color will be High Gloss Black.)
Cooling, auxiliary external transmission oil cooler
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Steering wheel, heated
Trailer brake controller, integrated
Wireless Charging
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Seats, front bucket with center console (STD)
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Bumper, rear body-color with bumper CornerSteps (Bumper color will be High Gloss Black.)
Windows, power rear, express down
Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
Brake lining wear indicator
USB Ports, 2 (first row) located on console
Four wheel drive
Rear Seat Reminder
Seat adjuster, passenger 16-way power including lumbar and massage
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Universal Home Remote
Seat adjuster, driver 16-way power including lumbar and massage
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.
Seats, heated second row outboard seats
Safety Alert Seat
Tailgate and bed rail protection caps, top
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.)
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
LED Signature DRL's
Skid Plates, Transfer case, steel
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
LPO, MultiPro Tailgate Audio System by Kicker
Theft-deterrent system, unauthorized entry
Wheelhouse liners, rear
Trailer Camera Provisions and trailer viewing software
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Seating, heated driver and front outboard passenger
Differential, driver-selectable full-locking rear, e-locking
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
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.)
Air vents, rear
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.)
USB Ports, 2, Charge/Data ports located inside center console
Suspension, Off-Road Includes, 1.5" suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
Tire, spare, LT305/70R18-126/123R, 35" M/T
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Wireless phone projection for Apple CarPlay and Android Auto
Sunroof, power
Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
USB ports, (2) charge-only, rear
Driver memory recalls driver "presets" for power driver seat and outside mirrors
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)
Adaptive Cruise Control
Seat Belt Adjustable Guide Loops, front row only
Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
Air filter, heavy-duty
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
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
Mirror caps, high gloss Black
Wheels, 18" (45.7 cm) machined aluminum wheel with High Gloss black accents (STD)
Floor covering, color-keyed carpeting
Rear Camera Mirror inside rearview auto-dimming with full camera display
Engine block heater
Emissions, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
Coastal Dune
AT4X Preferred Equipment Group
License plate kit, front, Incandescent lighting
3 Years SiriusXM
Alternator, 220 amp
Obsidian Rush, Full Grain Leather seat trim
Snow Plow Prep/Camper Package
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