New 2026 GMC Sierra 2500 AT4X Crew Cab
Stock #B26412
Vehicle Notes
The 2026 GMC Sierra 2500HD AT4X represents a refined approach to heavy-duty truck ownership, combining capability with thoughtful design for those who…
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Chassis Details
Stock Number
B26412
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
GVWR
11,025
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4X
Vehicle VIN
1GT4UZE74TF321315
Interior Color
Obsidian Rush, Full Grain Leather seat trim
Seating Capacity
5
Exterior Color Description
Coastal Dune
Engine Cylinder Count
8
Engine
6.6L V8 Gas engine
Transmission Type
Automatic
Fuel Type
Gasoline
Engine Model
L8T
Engine Size (L)
6.6
Horsepower
401
Vehicle Options
- Floor covering, color-keyed carpeting
- Bed Step, Black integrated on forward portion of bed on driver and passenger side
- Sunroof, power
- SiriusXM Trial Subscription
- 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.)
- Wireless phone projection for Apple CarPlay and Android Auto
- Air vents, rear
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- Glass, deep-tinted
- Steering wheel, heated
- Assist steps, power retractable, Black includes LED lighting (Not available with any other assist steps.)
- Forward Collision Alert (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
- Adaptive Cruise Control
- Wipers, front rain-sensing
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
- Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
- Defogger, rear-window electric
- 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
- Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
- Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
- Fog lamps, LED
- 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
- 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.)
- CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
- 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.)
- Differential, driver-selectable full-locking rear, e-locking
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
- Remote vehicle starter system
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Seat Belt Adjustable Guide Loops, front row only
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Transmission, 10-Speed automatic (STD)
- Steering wheel, leather-wrapped
- Safety Alert Seat
- 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.)
- Rear Seat Reminder
- Seats, ventilated driver and front passenger
- Moldings, beltline, Black
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Window, power, rear sliding with rear defogger
- LED Signature DRL's
- Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
- Rear Camera Mirror inside rearview auto-dimming with full camera display
- Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
- Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
- Driver memory recalls driver "presets" for power driver seat and outside mirrors
- Exterior Temperature Display, located in radio display
- 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)
- OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
- 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.
- Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- Window, power front, passenger express up/down
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
- Multicolor 15" Diagonal Head-Up Display
- Air filter, heavy-duty
- 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
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- Hill Descent Control
- Bumper, front, body-color lower (Bumper color will be High Gloss Black.)
- Cooling, external engine oil cooler
- Theft-deterrent system, unauthorized entry
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Four wheel drive
- 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)
- Rear Cross Traffic Alert
- Seat trim, Full Grain Leather
- 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.)
- 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.)
- Daytime Running Lamps, LED signature lighting
- Recovery hooks, Red (Deleted with (ULV) AT4X AEV Edition.)
- Rear Seat Belt Indicator
- 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.)
- 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
- Brake lining wear indicator
- Trailer Side Blind Zone Alert
- USB Ports, 2, Charge/Data ports located inside center console
- Mirror caps, high gloss Black
- Keyless Open and Start includes remote keyless entry
- Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
- Door locks, power
- Premium Floor Liners with removable carpet insert, front
- Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
- 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.)
- Tire, spare, LT305/70R18-126/123R, 35" M/T
- Seat adjuster, passenger 16-way power including lumbar and massage
- Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
- Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
- 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
- Bumper, rear body-color with bumper CornerSteps (Bumper color will be High Gloss Black.)
- Seats, front bucket with center console (STD)
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- LPO, MultiPro Tailgate Audio System by Kicker
- Skid Plates, front aluminum
- USB ports, (2) charge-only, rear
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- Tires, LT305/70R18-126/123R, 35" M/T
- Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
- Push Button Start
- Steering wheel audio controls
- Seat adjuster, driver 16-way power including lumbar and massage
- Windows, power front, drivers express up/down
- Air conditioning, dual-zone automatic climate control
- Wireless Charging
- Bluetooth for phone connectivity to vehicle infotainment system
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Compass, located in instrument cluster
- GMC Premium information Display- 13.4" diagonal Multicolor touch screen
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Premium Floor Liners with removable carpet insert, rear
- USB Ports, 2 (first row) located on console
- Universal Home Remote
- Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
- Skid Plates, Transfer case, steel
- Wheelhouse liners, rear
- Cooling, auxiliary external transmission oil cooler
- Air filtration monitoring
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- Door handles, body-color (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
- 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)
- Windows, power rear, express down
- Trailer Camera Provisions and trailer viewing software
- Pickup bed includes bed assist step
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Front and Rear Park Assist, ultrasonic
- Tailgate and bed rail protection caps, top
- Steering column, manual Tilt-Wheel and telescoping
- 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
- Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
- Seats, heated second row outboard seats
- Transfer case, two-speed active, electronic Autotrac with push button control
- Seating, heated driver and front outboard passenger
- Trailer brake controller, integrated
- Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
- Wheels, 18" (45.7 cm) machined aluminum wheel with High Gloss black accents (STD)
- Obsidian Rush, Full Grain Leather seat trim
- LPO, Rear underseat storage
- LPO, Black GMC emblems
- LPO, Black Sierra nameplates
- Coastal Dune
- LPO, Cargo tie-down rings, set of 4
- AT4X Preferred Equipment Group
- LPO, Black Badging Package
- License plate kit, front, Incandescent lighting
- 3 Years SiriusXM
- Emissions, Federal requirements
- Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.
- CUSTOMER DIALOGUE NETWORK
- View All
Body Details
Body Type
Pickup
Disclaimer:
Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. Specifications, features, safety and warranty data are based on what is available as standard specs/features per trim level, for the designated model-year, and may not apply to vehicles with added packages or options. See dealer for written warranty information. Dealer makes no guarantees or warranties, either expressly or implied, with respect to the accuracy of any data listed on this page which was obtained from third party sources. All vehicles are subject to prior sale. Prices include all eligible factory rebates to dealer. Prices do not include upfits, plows, or other accessories. Price does not include applicable tax, title, license, processing and/or documentation fees, and any emissions testing charges. Doc fees vary by state (Rhode Island $399, Massachusetts $499, Connecticut $599, New York $175, Illinois $367.70, Florida $995 doc fee and $169 electronic filing fee, Pennsylvania $422, Missouri $565.38, New Jersey $699 clerical fee and $99 document delivery service fee). Price and availability subject to change. Manufacturer’s Suggested Retail Price (MSRP) is listed for customer information and customer comparison purposes only, and the actual sales price may vary depending on changing market conditions and other factors. Any information contained on this page should be used for informational purposes only. All vehicles may not be physically located at this dealership but may be available for delivery through this location. Please contact the dealership for more specific information. You Will Be Satisfied.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
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