New 2026 GMC Sierra 2500HD AT4

VIN # 1GT4UPEY0TF422476
Stock # TF422476
Location Alan Jay Chevrolet GMC Cadillac

100% Transparent Pricing - No Surprise Fees, No Addendum Stickers, No Add-On Packages - That's the Alan Jay Way

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Vehicle Details

City/Hwy
0 / 0 MPG
Body:
Crew Cab Pickup
Ext.Color / Int.Color
Coastal Dune / Jet Black with Kalahari accents
Engine
Turbocharged Diesel V8 6.6L/
Transmission / Drive Type
10-Speed Automatic / 4WD
Mileage
0

Description:

2026 GMC Sierra 2500HD AT4 is equipped with a Turbocharged Diesel V8 6.6L engine, providing robust power and efficiency for demanding tasks. The model is designed for off-road capability, featuring advanced suspension systems and enhanced ground clearance. This trim is tailored for those requiring performance and reliability in challenging environments.

Inside, the Sierra 2500HD AT4 offers a well-appointed cabin with practical amenities. 🪑 Interior Features include premium seating materials and a user-friendly infotainment system 🎶. Safety is prioritized with advanced systems 🔒, ensuring driver and passenger protection. The vehicle's utility is further enhanced with towing packages 🧰, making it suitable for heavy-duty applications.

*Equipment based on original build and subject to change. Please confirm all details with the dealer prior to purchase.*

Options

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)
GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) AT4 high clearance step LPO
AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps
TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
REAR CAMERA MIRROR inside rearview auto-dimming with full camera display
WHEELS 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 spokes (STD)
JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM
ASSIST STEPS POWER RETRACTABLE BLACK includes LED lighting
AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD)
SEATS FRONT BUCKET with center console (STD)
WINDOW POWER REAR SLIDING WITH REAR DEFOGGER
MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY
LAMPS SMOKED AMBER ROOF MARKER (LED)
Variable Speed Intermittent Wipers
Locking/Limited Slip Differential
TRANSMISSION 10-SPEED AUTOMATIC
Integrated Turn Signal Mirrors
Steering Wheel Audio Controls
Auto-Dimming Rearview Mirror
GVWR 11 350 LBS. (5148 KG)
Passenger Adjustable Lumbar
Driver Restriction Features
Front Collision Mitigation
Aerial View Display System
Running Boards/Side Steps
Tires - Front All-Terrain
Adjustable Steering Wheel
Tires - Rear All-Terrain
Integrated Tailgate Step
Smart Device Integration
Driver Adjustable Lumbar
Passenger Air Bag Sensor
Front Collision Warning
Conventional Spare Tire
Adaptive Cruise Control
Lane Departure Warning
Daytime Running Lights
UNIVERSAL HOME REMOTE
REAR AXLE 3.42 RATIO
Power Folding Mirrors
Auxiliary Audio Input
Requires Subscription
Heated Steering Wheel
Tire Pressure Monitor
Bluetooth Connection
Premium Sound System
Power Passenger Seat
Heated Front Seat(s)
Cooled Front Seat(s)
ALTERNATOR 220 AMP
WINTER GRILLE COVER
ENGINE BLOCK HEATER
Automatic Highbeams
4-Wheel Disc Brakes
Intermittent Wipers
Rain Sensing Wipers
Heated Rear Seat(s)
Remote Engine Start
Cross-Traffic Alert
Front Side Air Bag
Front Head Air Bag
Blind Spot Monitor
Navigation System
Power Driver Seat
Stability Control
Passenger Air Bag
Rear Head Air Bag
Four Wheel Drive
Power Door Locks
Traction Control
Rear Parking Aid
Aluminum Wheels
Power Mirror(s)
Satellite Radio
Rear Bench Seat
Security System
Climate Control
SUNROOF POWER
Power Steering
Heated Mirrors
MP3 Capability
Cruise Control
Multi-Zone A/C
Driver Air Bag
Back-Up Camera
EXHAUST BRAKE
Keyless Start
Privacy Glass
Leather Seats
Mirror Memory
Power Windows
Keyless Entry
COASTAL DUNE
AM/FM Stereo
WiFi Hotspot
Bucket Seats
Rear Defrost
Seat Memory
Floor Mats
Telematics
Tow Hitch
Tow Hooks
Bed Liner
Fog Lamps
ABS
A/C

Alan Jay Automotive Network's 100% Transparent Pricing includes all applicable dealer fees and available incentives — it reflects our standard pricing practices and does not constitute a guarantee against technical errors.

* 100% TRANSPARENT PRICING-No Surprises or Hidden Charges! Pricing above excludes ONLY Sales & County Tax, Title/Registration Fee, and - if financed -- Doc Stamps & $2.00 Lien Fee.

While every reasonable effort is made to ensure accuracy, errors may occur on this website due to software, data, typographical, or other technical causes. Online pricing does not constitute a binding offer to sell, and it is the customer's responsibility to verify all pricing, incentive eligibility, and vehicle details with the dealership prior to purchase.

If a posted price is incorrect, Alan Jay Automotive Network is not bound by the error and reserves the right to correct it and refuse or cancel any affected orders.

Alan Jay Price*

$ 88,586.00

MSRP

$ 90,860.00

Other Fees and Charges

+ $ 1,226

LESS Dealer Savings

- $ 500.00

LESS Factory Rebates

-$ 3,000

Alan Jay Price*

$ 88,586.00

100% TRANSPARENT PRICING - No Surprises, Unwanted Packages or Hidden Charges EVER! Be sure to compare Apples to Apples w/ other dealers! The Alan Jay Price above excludes ONLY Sales & County Tax, Title/Registration Fee, and - if financed -- Doc Stamps & $2.00 Lien Fee. THAT’S the Alan Jay Way!!

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(863) 658-6332 441 US Hwy 27 N, Sebring, FL 33870

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Air vents, rear
Door locks, power
Wireless Charging
Rear Seat Reminder
Steering wheel, heated
Adaptive Cruise Control
Steering wheel, wrapped
SiriusXM Trial Subscription
Remote vehicle starter system
Steering wheel audio controls
Defogger, rear-window electric
USB ports, (2) charge-only, rear
Windows, power rear, express down
Seat trim, Perforated front Leather
Mirror, inside rearview auto-dimming
Floor covering, color-keyed carpeting
Compass, located in instrument cluster
Seats, front bucket with center console
Seats, heated second row outboard seats
Theft-deterrent system, unauthorized entry
USB Ports, 2 (first row) located on console
Seats, ventilated driver and front passenger
Windows, power front, drivers express up/down
Window, power front, passenger express up/down
Steering column, manual Tilt-Wheel and telescoping
Seat adjuster, driver 10-way power including lumbar
Seating, heated driver and front outboard passenger
Keyless Open and Start includes remote keyless entry
Air conditioning, dual-zone automatic climate control
Exterior Temperature Display, located in radio display
Seat adjuster, passenger 10-way power including lumbar
Premium Floor Liners with removable carpet insert, rear
Premium Floor Liners with removable carpet insert, front
Wireless phone projection for Apple CarPlay and Android Auto
USB Ports, 2, Charge/Data ports located inside center console
Bluetooth for phone connectivity to vehicle infotainment system
Bose Sound System, premium 7-speaker system with Richbass woofer
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
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)
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
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.)

Fog lamps, LED
Glass, deep-tinted
CornerStep, rear bumper
Wheelhouse liners, rear
Door handles, body-color
Moldings, beltline, Black
Wipers, front rain-sensing
Mirror caps, high gloss Black
Bumper, front, body-color lower
Tires, LT275/65R20 all-terrain, blackwall
Tailgate and bed rail protection caps, top
Tire, spare LT275/70R18 all-terrain, blackwall
Bumper, rear body-color with bumper CornerSteps
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Wheels, 20" (50.8 cm) High Gloss black aluminum wheels 8 spokes
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
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
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
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.)
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

Safety Alert Seat
LED Signature DRL's
Rear Cross Traffic Alert
Rear Seat Belt Indicator
Trailer Side Blind Zone Alert
Front and Rear Park Assist, ultrasonic
Daytime Running Lamps, LED signature lighting
Seat Belt Adjustable Guide Loops, front row only
Trailer Camera Provisions and trailer viewing software
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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
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.
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
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.)
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
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.)
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.)

Four wheel drive
Push Button Start
Recovery hooks, Red
Hill Descent Control
Air filter, heavy-duty
Air filtration monitoring
Brake lining wear indicator
Auto-locking rear differential
Transmission, 10-Speed automatic
Cooling, external engine oil cooler
Pickup bed includes bed assist step
Trailer brake controller, integrated
Suspension, Off-Road includes twin-tube shocks
Cooling, auxiliary external transmission oil cooler
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Skid Plates protect the oil pan, front axle and transfer case
Transfer case, two-speed active, electronic Autotrac with push button control
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
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)
Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
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.)
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.)

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)
GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) AT4 high clearance step LPO
AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps
TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
REAR CAMERA MIRROR inside rearview auto-dimming with full camera display
WHEELS 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 spokes (STD)
JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM
ASSIST STEPS POWER RETRACTABLE BLACK includes LED lighting
AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD)
SEATS FRONT BUCKET with center console (STD)
WINDOW POWER REAR SLIDING WITH REAR DEFOGGER
MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY
LAMPS SMOKED AMBER ROOF MARKER (LED)
Variable Speed Intermittent Wipers
Locking/Limited Slip Differential
TRANSMISSION 10-SPEED AUTOMATIC
Integrated Turn Signal Mirrors
Steering Wheel Audio Controls
Auto-Dimming Rearview Mirror
GVWR 11 350 LBS. (5148 KG)
Passenger Adjustable Lumbar
Driver Restriction Features
Front Collision Mitigation
Aerial View Display System
Running Boards/Side Steps
Tires - Front All-Terrain
Adjustable Steering Wheel
Tires - Rear All-Terrain
Integrated Tailgate Step
Smart Device Integration
Driver Adjustable Lumbar
Passenger Air Bag Sensor
Front Collision Warning
Conventional Spare Tire
Adaptive Cruise Control
Lane Departure Warning
Daytime Running Lights
UNIVERSAL HOME REMOTE
REAR AXLE 3.42 RATIO
Power Folding Mirrors
Auxiliary Audio Input
Requires Subscription
Heated Steering Wheel
Tire Pressure Monitor
Bluetooth Connection
Premium Sound System
Power Passenger Seat
Heated Front Seat(s)
Cooled Front Seat(s)
ALTERNATOR 220 AMP
WINTER GRILLE COVER
ENGINE BLOCK HEATER
Automatic Highbeams
4-Wheel Disc Brakes
Intermittent Wipers
Rain Sensing Wipers
Heated Rear Seat(s)
Remote Engine Start
Cross-Traffic Alert
Front Side Air Bag
Front Head Air Bag
Blind Spot Monitor
Navigation System
Power Driver Seat
Stability Control
Passenger Air Bag
Rear Head Air Bag
Four Wheel Drive
Power Door Locks
Traction Control
Rear Parking Aid
Aluminum Wheels
Power Mirror(s)
Satellite Radio
Rear Bench Seat
Security System
Climate Control
SUNROOF POWER
Power Steering
Heated Mirrors
MP3 Capability
Cruise Control
Multi-Zone A/C
Driver Air Bag
Back-Up Camera
EXHAUST BRAKE
Keyless Start
Privacy Glass
Leather Seats
Mirror Memory
Power Windows
Keyless Entry
COASTAL DUNE
AM/FM Stereo
WiFi Hotspot
Bucket Seats
Rear Defrost
Seat Memory
Floor Mats
Telematics
Tow Hitch
Tow Hooks
Bed Liner
Fog Lamps
ABS
A/C

New 2026 GMC Sierra 2500HD AT4

Vehicle Details

Description:

Options

Finance Rates Starting at
4.9% APR

Finance Rates Starting at
4.9% APR

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Options

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New 2026 GMC Sierra 2500HD AT4

Vehicle Details

Description:

Options

Finance Rates Starting at4.9% APR Finance Rates Starting at4.9% APR

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Options

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Finance Rates Starting at
4.9% APR

Finance Rates Starting at
4.9% APR