Legacy GMC · Slidell, LA

2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive SLT

39 miles · truck

1 / 30 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimCrew Cab Standard Box 4-Wheel Drive SLT

VIN1GT4UNEY7TF284973

Stock number26G2254

Mileage39 miles

BodyTruck - Crew Cab

Engine6.6L Duramax Turbo-Diesel V8 engine

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorOnyx Black

Towing18500

Vehicle description

This 2026 GMC Sierra 2500HD SLT is proudly offered by Legacy Buick GMC This GMC includes: GVWR, 11,350 LBS GOOSENECK / 5TH WHEEL PREP PACKAGE Bed Liner SLT PREMIUM PACKAGE Bed Liner Running Boards/Side Steps ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY X31 OFF-ROAD AND PROTECTION PACKAGE Aluminum Wheels Floor Mats Tires - Rear All-Terrain Bed Liner Tires - Front All-Terrain TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged ONYX BLACK *Note - For third party subscriptions or services, please contact the dealer for more information.* Today's luxury vehicle is not just about opulence. It's about a perfect balance of performance, comfort and attention to detail. This 2026 GMC Sierra 2500HD SLT is the perfect example of the modern luxury. This GMC Sierra 2500HD SLT comes equipped with 4 wheel drive, which means no limitations as to how or where you can drive. Different terrains and varying weather conditions will have no effect as to how this vehicle performs. Intricately stitched leather and ergonomic design seats are among the details in which test drivers say that GMC Sierra 2500HD SLT is in a league of its own Dealer Disclosure: Prices do not include state and local tax, title, license, notarial fees, convenience fees, documentary fees, and any finance charges. All prices, specifications and availability subject to change without notice. Contact dealer for most current information .Not available with special finance, lease and some other offers

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
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
Place and receive hands-free phone calls
Wi-Fi Hotspot capable
May require additional optional equipment
SiriusXM Trial Subscription
SiriusXM with 360L Trial Subscription
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
Chrome mirror caps
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Chrome door handles
Standard tailgate
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
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Side Bed Step
Black textured step pads help provide secure footing
Chrome front bumper
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
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
Rainsense automatic wipers
Chrome rear bumper
With integrated CornerSteps
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
Rear wheelhouse liners
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
LED fog lamps
18" LT275/70R18 all-terrain, blackwall spare tire
Spray-on bedliner
Includes GMC logo on all trims except PRO
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
Onyx Black
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
10-way power driver seat with power lumbar
Includes 8-way power driver seat
Includes a 2-way power lumbar control
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Seat trim, Perforated Leather-appointed front outboard seating positions
Rear 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
Power windows with driver and front passenger express-up/down
If obstruction is detected, the anti-pinch feature will auto-reverse
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
Power windows with rear express-down
(2) Charge ports located on rear of console
Inside rearview auto-dimming mirror
Rear window defogger
Carpeted floor covering
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
Power door locks
Heated driver and front outboard passenger seats
Individually controlled
Keyless Open and Start
Lockout protection helps you avoid locking keys in the vehicle
Compass
Located in instrument cluster
Front carpeted floor mats
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
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
All-weather floor liners
Provides coverage for first and second-row seating
Include Brand logo
Replaces factory floor mats
You can always override the feature and take control
Universal Home Remote
3-channel programmable
Ventilated driver and front passenger seats
Cooling feature includes both seatbacks and cushions
Front center console
Front bucket seats
Dark Walnut/Slate, Perforated Leather-appointed front outboard seating positions
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
Fully boxed frame
Hydroformed front section
High-strength steel
Digital Variable Steering Assist
Brake pad wear indicator
Heavy-Duty Air Filter
4-wheel antilock disc brakes
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
Four wheel drive
In-Vehicle Trailering App
Checklist
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Automatic locking rear differential
Off-Road suspension
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
Gooseneck / 5th Wheel Prep Package
Hitch platform to accept Gooseneck or 5th wheel hitch
Box mounted 7-pin trailer harness
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
Dual, 220 amp primary and 170 auxiliary amp alternators
Skid plates
Help protect the front underbody, oil pan and transfer case
X31 Off-Road Package
Twin-tube Rancho shocks
X31 hard badge
SLT Preferred Package
Power rear sliding window
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
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
6" Chrome assist steps
Spray-on bedliner with GMC Logo
X31 Off-Road and Protection Package
Off-Road suspension with Twin-tube Rancho shocks
Skid plates (transfer case and oil pan)
X31 badge (replaces "4X4" badge on bed)
Option/package discount
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
Tire Pressure Monitoring System with Tire Fill Alert
Rear Seat Belt Indicator
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
Seat Belt Adjustable Guide Loops
Front row only
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
Teen Driver
Hitch Guidance

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 Slidell, Louisiana

Asking price$71,640Dealer asking price · 39 mi

Market median$80,814Median of 280 similar listings

vs. market Good price-11.4%Well below similar listings

Where this price sits

Among the lowest-priced · 88% of 150 similar listings ask more than this car.

Median $80,814

This car$71,640

$48,548lowest$97,796highest

Middle 50% of asking pricesMedianThis car

Price vs. median

−25%Median+25%

Well below similar listings$9,174 below the median of $80,814

Price range

$48,548$98,396

33rd lowest price of 281 similar listings within 100 milesTick marks the median · range of 280 similar listings

AutosXchange Insights

Compared with 280 new 2026 GMC Sierra 2500 (all trims) listings within 100 mi.
Priced $9,174 below the median of 280 similar listings within 100 miles of Slidell, Louisiana.
Fewer than 3 other 4-Wheel SLT listings are live nationwide, so all Sierra 2500 trims are compared — check trim and options.
33rd lowest price of 281 similar listings within 100 miles.
About 39 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 26G2254 — mention it when you call or text.

Price history

Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($71,640).

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

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 9); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.