New 2026 GMC Sierra 2500 AT4X Crew Cab
Stock #049121
Vehicle Notes
Onyx Black 2026 GMC Sierra 2500HD AT4X 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Gooseneck/5th Wheel Prep Package, Hitch Package, Preferred E…
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Chassis Details
Stock Number
049121
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
GVWR
11,350
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4X
Vehicle VIN
1GT4UZEY1TF341515
Interior Color
Obsidian Rush, Full Grain Leather seat trim
Seating Capacity
5
Exterior Color Description
Onyx Black
Engine Cylinder Count
8
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
- Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
- 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
- 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
- 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
- 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
- USB ports, (2) charge-only, rear
- Driver memory recalls driver "presets" for power driver seat and outside mirrors
- Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Seats, front bucket with center console (STD)
- Windows, power front, drivers express up/down
- Rear Cross Traffic Alert
- 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
- 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
- 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
- Front and Rear Park Assist, ultrasonic
- 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.)
- 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
- 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
- Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
- 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
- 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
- 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.)
- Sunroof, power
- 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
- 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, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- Onyx Black
- Capped Fuel Fill
- LPO, Rear underseat storage
- Engine block heater
- Exhaust brake
- Winter Grille Cover
- LPO, Hitch Package
- AT4X Preferred Equipment Group
- Battery, heavy-duty dual 730 cold-cranking amps/70 Amp-hr
- License plate kit, front, Incandescent lighting
- 3 Years SiriusXM
- GVWR, 11,350 lbs. (5148 kg)
- Alternator, 220 amp
- Emissions, Federal requirements
- Transmission, 10-speed automatic
- Rear axle, 3.42 ratio
- Obsidian Rush, Full Grain Leather seat trim
- Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.
- CUSTOMER DIALOGUE NETWORK
- View All
Body Details
Body Type
Pickup
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