New 2026 GMC Sierra 2500 AT4 Crew Cab
Stock #26-2556
Vehicle Notes
Vehicle DetailsDiscover the 2026 GMC Sierra 2500 AT4 4WD, now available in Cathedral City, CA. Built for capability and comfort, this heavy-duty picku…
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Chassis Details
Stock Number
26-2556
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
GVWR
11,750
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4
Vehicle VIN
1GT4UPEY5TF266631
Interior Color
Jet Black with Kalahari accents, Perforated Front Leather seat trim
Seating Capacity
5
Exterior Color Description
Summit White
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
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Keyless Open and Start includes remote keyless entry
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Air vents, rear
- Bumper, rear body-color with bumper CornerSteps
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- 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)
- Front and Rear Park Assist, ultrasonic
- Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
- Driver memory recalls driver "presets" for power driver seat and outside mirrors
- Daytime Running Lamps, LED signature lighting
- Mirror, inside rearview auto-dimming
- Hill Descent Control
- Four wheel drive
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Rear Seat Reminder
- Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- Suspension, Off-Road includes twin-tube shocks
- Floor covering, color-keyed carpeting
- Compass, located in instrument cluster
- Bumper, front, body-color lower
- 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
- 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
- Cooling, auxiliary external transmission oil cooler
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Steering column, manual Tilt-Wheel and telescoping
- 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
- 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
- Seats, front bucket with center console (STD)
- 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
- 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
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
- 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
- Air filtration monitoring
- 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
- 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
- Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Wipers, front rain-sensing
- Rear Seat Belt Indicator
- Steering wheel, heated
- Theft-deterrent system, unauthorized entry
- 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
- Bose Sound System, premium 7-speaker system with Richbass woofer
- 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
- Skid Plates protect the oil pan, front axle and transfer case
- 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
- Multicolor 15" Diagonal Head-Up Display
- LPO, Sport Step, Black
- Alternator, 220 amp
- Universal Vehicle Module
- Engine block heater
- GVWR, 11,750 lbs. (5330 kg)
- Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- LPO, Rear underseat storage
- Exhaust brake
- Deleted Mobile Service Plus.
- Universal Home Remote
- LPO, 20" (50.8 cm) Machined Aluminum with High Gloss Black Accents wheels
- AT4 Preferred Package
- Jet Black with Kalahari accents, Perforated Front Leather seat trim
- Rear Camera Mirror
- Winter Grille Cover
- AT4 Preferred Equipment Group
- Max Trailering Package
- LPO, Console-Mounted Safe
- Battery, heavy-duty dual 730 cold-cranking amps/70 Amp-hr
- Sunroof, power
- Summit White
- License plate kit, front, Incandescent lighting
- Emissions, California state requirements
- Transmission, 10-speed automatic
- Wheels, 20" transit aluminum wheels
- Window, power, rear sliding with rear defogger
- LPO, All-weather floor liners, 1st and 2nd rows
- Capped Fuel Fill
- Rear axle, 3.42 ratio
- LPO, Cargo Convenience Package
- Technology Package
- Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.
- BLACK BADGING PACKAGE
- View All
Body Details
Body Type
Pickup
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