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Greg Lair GMC · Canyon, TX

2026 GMC Sierra 2500 HD SLT

0 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimSLT
Stock numberG1800
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
Towing18500

Vehicle description

Meet the 2026 GMC Sierra 2500HD SLT, a powerful Crew Cab diesel truck engineered for serious work and refined comfort. This gray four-wheel-drive machine combines the legendary Duramax 6.6L V8 Turbodiesel engine with premium appointments, including Dark Walnut and Slate leather, to deliver both capability and sophistication on every drive. - Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic transmission - 4WD with 2-Speed Active Transfer Case - Heated and ventilated leather seats with 10-way power adjustable driver seat - Premium Bose audio system with Apple CarPlay and Android Auto integration - Advanced safety suite: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert - Bed View Camera with trailer provisions and HD Surround Vision - Wireless charging and smartphone projection - Adaptive Cruise Control with Following Distance Indicator - Spray-on bedliner with GMC logo and gooseneck/fifth-wheel prep - Power rear window and premium LED lighting throughout The SLT trim prioritizes capability with trailer-specific technology including hitch guidance and in-vehicle trailering app integration. This truck stands ready to handle your toughest jobs while surrounding you with comfort and connectivity. Schedule your test drive today and experience the perfect blend of hard-working durability and refined luxury. 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
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • Place and receive hands-free phone calls
  • 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
  • Chrome rear bumper
  • With integrated CornerSteps
  • 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
  • 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
  • 20" LT275/65R20 all-terrain, blackwall tires
  • Front license plate bracket
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Winter Grille Cover
  • 6" Chrome rectangular assist steps (factory installed)
  • Textured step pads help provide secure footing
  • Body color wheel arch moldings
  • 20" Bright face wheels with dark painted pockets
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Sterling Metallic
  • 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
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • 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 and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • 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
  • Compass
  • Located in instrument cluster
  • 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
  • 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
  • Front bucket seats
  • Dark Walnut/Slate, Perforated Leather-appointed front outboard seating positions
  • 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
  • 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
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Heavy-Duty Air Filter
  • Suspension Package
  • 4-wheel antilock disc brakes
  • 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

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

AutosXchange Intel

Vehicle price analysis

Live listings · in Texas
Asking price$78,160Dealer asking price
Market value$76,484Market value · based on 12 comparable cars
vs. market Fair price+2.2%Fair price · based on 12 comparable cars

Where this price sits

Among the highest-priced · 17% of 12 similar listings ask more than this car.

$68,125lowest$86,925highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+2.2%
−25%Market value+25%
Fair price$1,676 above the market value of $76,484

Price range

$78,160
$68,125$86,925
10th lowest price of 13 similar listings in TexasTick marks the market value · range of 12 similar listings

AutosXchange Insights

  • Compared with 12 new 2026 GMC Sierra 2500 SLT listings in Texas.
  • Priced $1,676 above the market value of 12 comparable cars — compare options, condition and history.
  • 10th lowest price of 13 similar listings in Texas.
  • Stock # G1800 — 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 ($78,160).0 price changes at this dealership: $78,160 → $78,160.

$77.9k$78.0k$78.1k$78.2k$78.3k$78.4kNov 7Nov 8Nov 9Nov 10Nov 11Nov 12

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 11); 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 · in Texas. All 12 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Canyon

All years and trims. Nearest first.