White's Frontier Motors · Gillette, WY

2026 GMC Sierra 2500 HD SLT

7 miles · truck

1 / 25 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimSLT

VIN1GT4UNE77TF386779

Stock numberC26442

Mileage7 miles

BodyPickup

Engine6.6L 8-cyl

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

ExteriorSterling Metallic

Towing16000

Vehicle description

Equipment Never get into a cold vehicle again with the remote start feature on this 3/4 ton pickup. Apple CarPlay: Seamless smartphone integration for this GMC Sierra - stay connected and entertained on the go! This unit's Lane Departure Warning helps keep you in your lane. It is pure luxury with a heated steering wheel. This 2026 GMC Sierra 2500 features a high end BOSE stereo system. This 3/4 ton pickup offers Android Auto for seamless smartphone integration. The leather seats in this model are a must for buyers looking for comfort, durability, and style. Bluetooth® technology is built into this model, keeping your hands on the steering wheel and your focus on the road. Protect this 3/4 ton pickup from unwanted accidents with a cutting edge backup camera system. The GMC Sierra features steering wheel audio controls. An off-road package is installed on this vehicle so you are ready for your four-wheeling best. Packages SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Bose Premium 7-Speaker Sound System; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Front Bucket Seats. X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates. Preferred Equipment Group 4SA: LED Cargo Area Lighting; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Electric Rear-Window Defogger; Chrome Surround Grille with Chrome Insert Bars; Unauthorized Entry Theft-Deterrent System; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; 6-Speaker Audio System Feature; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. Assist Step and Floor Liner Package: All-Weather Floor Liners. Gooseneck/5th Wheel Prep Package. 6" Rectangular Chromed Tubular Assist Steps. Spray-On Pickup Bedliner with GMC Logo. Sterling Metallic. Hitch Package. All-Weather Floor Liners. Skid Plates. LED Smoked Amber Roof Marker Lamps. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**

Features & options (250)

Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Keyless Ignition System
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Emergency Brake Assist
Lane Departure Warning
Wireless Phone Charging
Forward Collision Warning
Navigation System
Rear View Camera
Tow Hitch/Tow Package
Automatic Climate Control
Entertainment System
Cruise Control
Premium Sound System
SiriusXM Trial Subscription
Wireless phone projection
For Apple CarPlay and Android Auto
Wi-Fi Hotspot capable
May require additional optional equipment
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
SiriusXM with 360L Trial Subscription
Place and receive hands-free phone calls
Side Bed Step
Black textured step pads help provide secure footing
Chrome front bumper
Deep-tinted glass
Provides added protection from sun and glare
Rainsense automatic wipers
18" LT275/70R18 all-terrain, blackwall spare tire
Standard tailgate
18" LT275/70R18E all-terrain, blackwall tires
Cargo bed LED lighting
Provides light to find cargo in the bed
Chrome rear bumper
With integrated CornerSteps
Cab-mounted cargo area lamps
Activated by switch located on center switch bank
Illuminates the cargo bed area
Grille (Chrome surround with Chrome insert bars.)
Spare tire carrier lock
Helps keep spare tire secure
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
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
IntelliBeam
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Chrome beltline moldings
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
Rear wheelhouse liners
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
Tailgate and bed rail protection caps
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
LED fog lamps
Chrome door handles
18" machined aluminum wheels with Dark Grey metallic accents
6" Chrome assist steps
Textured step pads help provide secure footing
Front license plate bracket
Spray-on bedliner
Includes GMC logo on all trims except PRO
Sterling Metallic
Smoked Amber LED roof marker lamps
Roof-mounted lamps near the front of the cab
Carpeted floor covering
Color-keyed to match the interior
Rear air vents
Provides cabin comfort for rear occupants
USB ports
(2) Data/charge ports located on instrument panel
120-volt power outlet
3-prong auxiliary household-style outlet
Located on the instrument panel
Rear carpeted floor mats
Helps protect your interior from road debris and the elements
Denali models feature unique premium tufted carpeting
Rear Seat Reminder
(2) Charge ports located on rear of console
Driver memory
Seat trim, Perforated Leather-appointed front outboard seating positions
Power windows with driver and front passenger express-up/down
If obstruction is detected, the anti-pinch feature will auto-reverse
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Maintains a selected speed while driving
Set and resume speed functions
Keyless Open and Start
Lockout protection helps you avoid locking keys in the vehicle
Power door locks
10-way power driver seat with power lumbar
Includes 8-way power driver seat
Includes a 2-way power lumbar control
12.3" diagonal color Driver Information Center
High definition display provides crisp, premium appearance
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Steering-wheel mounted controls
Power windows with driver express-up/down
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Compass
Located in instrument cluster
10-way power front passenger seat
Includes 8-way power front passenger seat
Inside rearview auto-dimming mirror
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)
Power windows with rear express-down
120-volt box-mounted power outlet
Located in the pickup bed
Wrapped steering wheel
Manual tilt and telescoping steering column
Rear window defogger
Outside temperature display
Located in infotainment display
Front carpeted floor mats
Heated driver and front outboard passenger seats
Individually controlled
Front center console
All-weather floor liners
Provides coverage for first and second-row seating
Include Brand logo
Replaces factory floor mats
Front bucket seats
Ventilated driver and front passenger seats
Cooling feature includes both seatbacks and cushions
Wireless Charging
Uses induction technology for select portable electronic devices
Convenient charging location
Jet Black, Perforated Leather-appointed front outboard seating positions
4-wheel antilock disc brakes
170-amp alternator
Heavy-Duty Air Filter
11,050 lbs. GVWR
Heavy-duty 720 cold-cranking amps battery
80 Amp-hr
Maintenance-free with rundown protection and retained accessory power
Brake pad wear indicator
Fully boxed frame
Hydroformed front section
High-strength steel
Push Button Start
Automatic locking rear differential
Autotrac 2-speed transfer case with push button controls
4-button control 2WD, Auto, 4WD, 4WD LO
2WD High for most on-road and highway situations
Automatically engages 4WD until traction is regained
Pickup bed
Roll-formed high-strength steel
Includes bed assist step
Digital Variable Steering Assist
In-Vehicle Trailering App
Checklist
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Four wheel drive
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
Off-Road suspension
Emissions, Federal requirements
Hill Descent Control
Uses antilock braking to help provide a smooth, controlled descent
Activates by pushing a button below the instrument panel
Skid plates
Help protect the front underbody, oil pan and transfer case
Gooseneck / 5th Wheel Prep Package
Hitch platform to accept Gooseneck or 5th wheel hitch
Box mounted 7-pin trailer harness
ProGrade Trailering System
Hitch Guidance with Hitch View
Trailering Package
Trailer hitch
Trailering hitch platform
Hitch Guidance
Sierra HD Pro Safety
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
Buckle to Drive
Automatic Emergency Braking
SLT Preferred Equipment Group includes standard equipment
Gooseneck Hitch Package
Gooseneck ball
Chain tiedown kit with case
Assist Step and Floor Liner Package
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
X31 Off-Road Package
Twin-tube Rancho shocks
X31 hard badge
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
Trailering Information Label
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger
Head-curtain airbags for outboard seating positions
Seat Belt Adjustable Guide Loops
Front row only
Teen Driver
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
Tire Pressure Monitoring System with Tire Fill Alert
Designed to help you maintain a safe following distance
Hitch View
Shows a close-up view of the trailer hitch
HD Rear Vision Camera
Can help you park or avoid vehicles and objects
Can help you line up the hitch to your trailer
OnStar services capable

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 100 miles of Gillette, Wyoming

Asking price$70,439Dealer asking price · 7 mi

Market value$73,533Market value · based on 8 comparable cars

vs. market Fair price-4.2%Fair price · based on 8 comparable cars

Where this price sits

Among the lowest-priced · 88% of 8 similar listings ask more than this car.

Market value $73,533

This car$70,439

$69,300lowest$77,790highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$3,094 below the market value of $73,533

Price range

$69,300$77,790

2nd lowest price of 9 similar listings within 100 milesTick marks the market value · range of 8 similar listings

AutosXchange Insights

Compared with 8 new 2026 GMC Sierra 2500 SLT listings within 100 mi.
Priced $3,094 below the market value of 8 comparable cars.
2nd lowest price of 9 similar listings within 100 miles.
About 7 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # C26442 — mention it when you call or text.

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

Cars this price is compared to

Same 2026 Sierra 2500 SLT · new · within 100 miles of Gillette, Wyoming. All 8 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD SLT for sale at CASPER GMC CADILLAC in Casper, WY

Good deal

23 photos