Greg Lair GMC · Canyon, TX

2026 GMC Sierra 2500 HD SLT

0 miles · truck

Stock photo — actual vehicle may differ

1 / 7 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimSLT

VIN1GT4UNEY0TF411871

Stock numberG1871

BodyPickup

Engine6.6L Duramax Turbo-Diesel V8 engine

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

Towing18500

Vehicle description

Meet the 2026 GMC Sierra 2500HD SLT in Gray with Jet Black Leather interior—a powerful crew cab standard bed truck built for serious work and capability. This new 4WD diesel powerhouse features the legendary Duramax 6.6L V8 Turbodiesel engine paired with a smooth 10-speed automatic transmission, delivering the torque and reliability professionals demand. The SLT trim combines rugged capability with refined comfort, ready to handle whatever your next project demands. Key Features: - Duramax 6.6L V8 Diesel Turbocharged engine - 4WD with 2-Speed Active Transfer Case - Heated and Cooled Leather Seats - SiriusXM with 360L Trial Subscription - Apple CarPlay and Android Auto connectivity - Bose Premium 7-Speaker Sound System - HD Surround Vision with Bed View Camera - Wireless Phone Projection and Charging - Automatic Emergency Braking and collision alert systems - Adaptive Cruise Control with Following Distance Indicator This Sierra 2500HD brings together advanced safety technology, premium comfort features, and the dependability GMC is known for. From the automatic headlights and rain-sensing wipers to the trailer side blind zone alert and rear cross traffic detection, every detail is designed to keep you confident on the road. The bed-mounted power outlet and integrated trailering system make this truck work as hard as you do. Why buy from Greg Lair GMC? It's a great question with an even better answer! We've been a local fixture in the Panhandle for over 40 years, putting customers from Amarillo and the Panhandle first every single day. We set ourselves apart as the home of the FREE Lifetime Powertrain Warranty on all inventory under 100,000 miles. From our hassle-free buying process to our thorough multi-point inspections by Certified GM Technicians, we make sure your next vehicle is safe, reliable, and ready for the road. Stop by today and see the Greg Lair difference for yourself!

Features & options (250)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Emergency Brake Assist
Lane Departure Warning
Wireless Phone Charging
Blind Spot Monitor
Forward Collision Warning
Navigation System
Parking Assistance
Rear View Camera
Tow Hitch/Tow Package
Automatic Climate Control
Entertainment System
Turbo Charged Engine
Premium Sound System
Place and receive hands-free phone calls
Wi-Fi Hotspot capable
May require additional optional equipment
SiriusXM Trial Subscription
13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth® streaming audio for music and select phones
Wireless Apple CarPlay capability for compatible phones
Wireless Android Auto capability for compatible phones
Customize and manage entertainment and vehicle feature setting
Voice-activated technology for phone
Wireless phone projection
For Apple CarPlay and Android Auto
SiriusXM with 360L Trial Subscription
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
Chrome mirror caps
AT4 and AT4X features high gloss Black mirror caps
Power folding/extending
Lower convex mirrors
Heated upper glass
Integrated turn signal indicators
Puddle lamps
Perimeter lighting
Auxiliary lighting
Extends 3.31-inches
Chrome beltline moldings
Chrome rear bumper
With integrated CornerSteps
Grille (Chrome surround with Chrome insert bars.)
IntelliBeam
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
Rear wheelhouse liners
Tailgate and bed rail protection caps
Spare tire carrier lock
Helps keep spare tire secure
Deep-tinted glass
Provides added protection from sun and glare
Rainsense automatic wipers
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Chrome door handles
Standard tailgate
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Cab-mounted cargo area lamps
Activated by switch located on center switch bank
Illuminates the cargo bed area
Cargo bed LED lighting
Provides light to find cargo in the bed
Chrome front bumper
LED fog lamps
18" LT275/70R18 all-terrain, blackwall spare tire
Side Bed Step
Black textured step pads help provide secure footing
Front license plate bracket
Smoked Amber LED roof marker lamps
Roof-mounted lamps near the front of the cab
20" LT275/65R20 all-terrain, blackwall tires
Winter Grille Cover
6" Chrome rectangular assist steps (factory installed)
Textured step pads help provide secure footing
20" Bright face wheels with dark painted pockets
Spray-on bedliner
Includes GMC logo on all trims except PRO
Sterling Metallic
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Power windows with driver and front passenger express-up/down
If obstruction is detected, the anti-pinch feature will auto-reverse
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Rear window defogger
Rear Seat Reminder
USB ports
(2) Data/charge ports located on instrument panel
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Outside temperature display
Located in infotainment display
Power windows with driver express-up/down
10-way power front passenger seat
Includes 8-way power front passenger seat
Includes a 2-way power lumbar control
Power door locks
Front carpeted floor mats
Helps protect your interior from road debris and the elements
Color-keyed to match the interior
Denali models feature unique premium tufted carpeting
Carpeted floor covering
Inside rearview auto-dimming mirror
(2) Charge ports located on rear of console
Heated driver and front outboard passenger seats
Individually controlled
Keyless Open and Start
Lockout protection helps you avoid locking keys in the vehicle
10-way power driver seat with power lumbar
Includes 8-way power driver seat
Power windows with rear express-down
Compass
Located in instrument cluster
Seat trim, Perforated Leather-appointed front outboard seating positions
Rear carpeted floor mats
120-volt power outlet
3-prong auxiliary household-style outlet
Located on the instrument panel
Steering-wheel mounted controls
Rear air vents
Provides cabin comfort for rear occupants
Manual tilt and telescoping steering column
120-volt box-mounted power outlet
Located in the pickup bed
Wrapped steering wheel
Up-level rear seat with storage package
60/40 Full-length folding bench seat
Seatback storage on left and right side
Center fold out armrest with 2 cupholders
Underseat storage (full cab width)
12.3" diagonal color Driver Information Center
High definition display provides crisp, premium appearance
Driver memory
Ventilated driver and front passenger seats
Cooling feature includes both seatbacks and cushions
Front center console
You can always override the feature and take control
Front bucket seats
Universal Home Remote
3-channel programmable
Upfitter switches
Heated rear outboard seats
Passengers can manage heat settings with their own controls
Power sliding rear window with rear defogger
Wireless Charging
Uses induction technology for select portable electronic devices
Convenient charging location
Jet Black, Perforated Leather-appointed front outboard seating positions
Suspension Package
Heavy-Duty Air Filter
4-wheel antilock disc brakes
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
Four wheel drive
Fully boxed frame
Hydroformed front section
High-strength steel
Brake pad wear indicator
In-Vehicle Trailering App
Checklist
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Automatic locking rear differential
Digital Variable Steering Assist
Heavy-duty dual batteries with 1460 cold-cranking amps
70 Amp-hr
Maintenance-free with rundown protection and retained accessory power
11,350 lbs. GVWR
220-amp alternator
Emissions, Federal requirements
Gooseneck / 5th Wheel Prep Package
Hitch platform to accept Gooseneck or 5th wheel hitch
Box mounted 7-pin trailer harness
SLT Preferred Equipment Group includes standard equipment
Sierra HD Pro Safety Plus Package
Trailer Side Blind Zone Alert
Rear Cross Traffic Alert
Front and rear park assist
Bed View Camera (Crew Cab and Double Cab models)
HD Surround Vision (Crew Cab and Double Cab models)
Trailer Camera Provisions (Crew Cab and Double Cab models)
Rear Park Assist on SLE models
In Vehicle Trailering App on SLE models
Safety Alert Seat on SLT
Gooseneck Hitch Package
Gooseneck ball
Chain tiedown kit with case
SLT Convenience Package
Bucket seats
Center console
Ventilated front seats
USB ports in center console
LED roof marker lamps
Bose Premium Sound System with Richbass woofer
SLT Premium Package
SLT Preferred Package
6" Chrome assist steps
Spray-on bedliner with GMC Logo
Heavy Duty Front Spring / Camper Package
Power rear sliding window
Option/package discount
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
Tire Pressure Monitoring System with Tire Fill Alert
Rear Seat Belt Indicator
Teen Driver
Trailering Information Label
Forward Collision Alert
OnStar Basics
Drive confidently with core OnStar services including
Remote commands
Built-in voice assistance
Real-time traffic and navigation
Automatic Crash Response to help if you're in need
Following Distance Indicator
Designed to help you maintain a safe following distance
OnStar services capable
Hitch View
Shows a close-up view of the trailer hitch
Hitch Guidance
Can help you line up the hitch to your trailer
Buckle to Drive
Seat Belt Adjustable Guide Loops
Front row only
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger
Head-curtain airbags for outboard seating positions
Bed View Camera
Includes 2 Trailer Camera Provisions
Trailering camera provisions
Includes connector for accessory wiring harness
Trailer Tire Pressure and Temperature Sensors

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 250 miles of Canyon, Texas

Asking price$77,165Dealer asking price

Market value$76,172Market value · based on 10 comparable cars

vs. market+1.3%Not rated · stock photos only

Where this price sits

Among the highest-priced · 20% of 10 similar listings ask more than this car.

Market value $76,172

This car$77,165

$71,690lowest$78,160highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Not rated · stock photos only$993 above the market value of $76,172

Price range

$71,690$78,160

9th lowest price of 11 similar listings within 250 milesTick marks the market value · range of 10 similar listings

AutosXchange Insights

Compared with 10 new 2026 GMC Sierra 2500 SLT listings within 250 mi.
Priced $993 above the market value of 10 comparable cars — compare options, condition and history.
9th lowest price of 11 similar listings within 250 miles.
Stock # G1871 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 7, 2026. No price change at this dealership since Nov 7 ($77,165).

AutosXchange Intel Hub: Price changes for this model in Texas · This model in the Intel Hub · Market movers in Texas

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 13); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2026 Sierra 2500 SLT · new · within 250 miles of Canyon, Texas. All 10 comparable cars for sale, nearest first.

24 photos