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Wright GMC · Lufkin, TX

2025 GMC Sierra 2500 HD SLT

18,123 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2025
MakeGMC
ModelSierra 2500 HD
TrimSLT
Stock numberU12435A
Mileage18,123 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorSterling Metallic
Towing18500

Vehicle description

Meet the 2025 GMC Sierra 2500HD SLT, a commanding diesel-powered crew cab built for serious work and commanding presence. This silver Crew Cab Standard Bed delivers the rugged capability of the legendary Duramax 6.6L V8 Turbodiesel engine paired with a smooth 10-Speed Automatic transmission and full 4WD capability. With leather seating, power features throughout, and the Texas SLT Premium Package, this Sierra combines professional-grade towing prowess with premium comfort. - Power sunroof - Heated leather front seats with ventilation - X31 Off-Road & Protection Package - Gooseneck/5th Wheel Prep Package with hitch platform - HD Surround Vision camera system with trailer provisions - Adaptive Cruise Control with Forward Collision Alert - 220-Amp alternator with engine block heater - All-weather floor liners - Apple CarPlay and Android Auto integration - OnStar Services and emergency communication This Sierra 2500HD SLT offers the durability and towing capacity you need, combined with the modern technology and comfort features today's truck owners demand. Whether you're tackling heavy jobs or enjoying the highway, this diesel-powered workhorse is ready. Contact us today to schedule your test drive and experience the full capability of this premium heavy-duty truck.

Features & options (250)

  • Adaptive Cruise Control
  • 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
  • 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
  • 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
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • SiriusXM Trial Subscription
  • SiriusXM with 360L Trial Subscription
  • Wireless phone projection
  • For Apple CarPlay and Android Auto
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Chrome beltline moldings
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Grille (Chrome surround with Chrome insert bars.)
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • LED taillamps with LED stop lights and animation
  • Chrome mirror caps
  • Tailgate and bed rail protection caps
  • Rear wheelhouse liners
  • IntelliBeam
  • Chrome rear bumper
  • With integrated CornerSteps
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • LED fog lamps
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Chrome front bumper
  • 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
  • Rainsense automatic wipers
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • GMC MultiPro Tailgate
  • Power lock and release
  • 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
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • Chrome door handles
  • 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
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • 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
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Inside rearview auto-dimming mirror
  • Rear window defogger
  • Outside temperature display
  • Located in infotainment display
  • Manual tilt and telescoping steering column
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • Steering-wheel mounted controls
  • Carpeted floor covering
  • Color-keyed to match the interior
  • 120-volt power outlet
  • 3-prong auxiliary household-style outlet
  • Located on the instrument panel
  • USB ports
  • (2) Data/charge ports located on instrument panel
  • Rear Seat Reminder
  • (2) Charge ports located on rear of console
  • Power windows with driver express-up/down
  • Compass
  • Located in instrument cluster
  • 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
  • Power door locks
  • 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)
  • 10-way power front passenger seat
  • Includes 8-way power front passenger seat
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • Driver memory
  • Power windows with rear express-down
  • 120-volt box-mounted power outlet
  • Located in the pickup bed
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • Wrapped steering wheel
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • Front center console
  • Rear under-seat storage
  • Accessory
  • Lockable storage lid on Crew Cab models
  • Contain, organize, conceal and secure items under the rear-seat
  • 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
  • Front bucket seats
  • Universal Home Remote
  • 3-channel programmable
  • (2) Data/charge ports located inside center console
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • 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
  • Pickup bed
  • Roll-formed high-strength steel
  • Includes bed assist step
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Heavy-Duty Air Filter
  • Brake pad wear indicator
  • Four wheel drive
  • Black vertical recovery hooks
  • Two front frame-mounted
  • Push Button Start
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • 4-wheel antilock disc brakes
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Digital Variable Steering Assist
  • 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
  • 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
  • 220-amp alternator
  • 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
  • Sierra HD Pro Safety
  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • Buckle to Drive
  • Automatic Emergency Braking
  • ProGrade Trailering System
  • Hitch Guidance with Hitch View
  • Trailering Package
  • Trailer hitch
  • Trailering hitch platform
  • Hitch Guidance
  • 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
  • Texas Edition SLT Premium Package
  • SLT Preferred Package

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 Lufkin, Texas
Asking price$70,215Dealer asking price · 18,123 mi
Market value$63,601Market value · based on 8 comparable cars
vs. market High price+10.4%High price · based on 8 comparable cars

Where this price sits

Among the highest-priced · 25% of 8 similar listings ask more than this car.

$59,621lowest$72,415highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+10.4%
−25%Market value+25%
High price$6,614 above the market value of $63,601

Price range

$70,215
$59,621$72,415
7th lowest price of 9 similar listings within 250 milesTick marks the market value · range of 8 similar listings

AutosXchange Insights

  • Compared with 8 used 2025 GMC Sierra 2500 SLT listings within 250 mi.
  • Priced $6,614 above the market value of 8 comparable cars — compare options, condition and history.
  • 7th lowest price of 9 similar listings within 250 miles.
  • Has about 23,000 fewer miles than similar listings.
  • About 9,062 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # U12435A — 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 14, 2026. No price change at this dealership since Nov 14 ($70,215).

$70.0k$70.1k$70.2k$70.3k$70.4k$70.5kNov 13Nov 14

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 14); 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 2025 Sierra 2500 SLT · used · any miles · within 250 miles of Lufkin, Texas. All 8 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Lufkin

All years and trims. Nearest first.