Mitchell Buick-GMC · San Angelo, TX

2026 GMC Sierra 1500 SLT

6 miles · truck

1 / 20 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 1500

TrimSLT

VIN1GTUUDE89TZ511380

Stock numberG260741

Mileage6 miles

BodyPickup

Engine3.0L 6-cyl turbo

Displacement3.0L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

MPG22 city / 26 hwy

ExteriorSummit White

Towing8700

Vehicle description

KEY FEATURES INCLUDE 10-Way Power Driver Seat Adjuster with Lumbar - Includes Driver seat direction: Driver seat with 8-way directional controls,Driver lumbar: Driver seat with 2-way power lumbar,Power driver seat controls: Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control, 10-Way Power Passenger Seat Adjuster with Lumbar - Includes Passenger seat direction: Front passenger seat with 8-way directional controls,Front passenger lumbar: Front passenger seat with 2-way power lumbar,Power passenger seat controls: Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control, 220 Amp Alternator, 265/65R18SL AS BW Tires - Includes Tires: P265/65SR18 AS BSW front and rear tires, 3 YEARS, SIRIUSXM (NON-TRANSFERABLE) SEE SIRIUSXM.COM/TERMS - Includes Radio: AM/FM/SiriusXMsatellite, 7,200 lbs (3,266 Kgs) GVWR, Driver Memory, Duramax 3.0L Turbo-Diesel I6 Engine - Includes 850 Heavy-Duty Battery,Battery type: Heavy-duty lead acid battery,Battery run down protection,Accessory power: Retained accessory power,Delete External Engine Oil Cooler,TRANSMISSION: 10-SPEED AUTO,Transmission: 10-speed automatic,Overdrive transmission,Selectable mode transmission,Lock-up transmission,Transmission Type: Automatic,Engine Location: Front mounted engine,Fuel Type: Diesel,Ignition: Compression ignition system,Variable intake manifold,Engine Mounting direction: Longitudinal mounted engine,Engine block material: Aluminum engine block,Cylinder head material: Aluminum cylinder head,Emissions: LEV3-ULEV70 emissions,DEF fluid gauge: Diesel exhaust fluid (def) gauge,Low level warnings: Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF),Engine: Duramax 3L I-6 direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 305HP,Engine Short: Duramax 3L I-6 DOHC,Engine Configuration: Duramax I6,Compressor: Intercooled turbo, Engine Block Heater, Federal Emissions Requirements, Heated Driver and Front Outboard Passenger Seating, LICENSE PLATE KIT, Premium GMC Infotainment Audio System Radio - Includes Wireless Apple CarPlay/wireless Android Auto,Voice activated audio: Premium GMC Infotainment System voice activated audio controls,Wireless streaming: Bluetooth® wireless audio streaming,Primary display size: 13.4 inch primary display,Primary display touchscreen: Primary monitor touchscreen,Handsfree: Bluetooth® handsfree wireless device connectivity, REAR AXLE - 3.23 RATIO, SLT CONVENIENCE PACKAGE * FRONT BUCKET SEATS * CENTER CONSOLE W/USB PORTS * VENTILATED FRONT SEATS * WIRELESS CHARGING * BOSE PREMIUM SOUND SYSTEM * POWER RAKE & TELESCOPING STEERING COLUMN - Includes Ventilated Driver and Front Passenger Seats,Heated front seats: Heated driver and front passenger seats,Cooled front seats: Ventilated driver and front passenger seats,Power Rake and Telescoping Steering Column,BOSE 7 SPEAKER PREMIUM SOUND SYSTEM,Speakers: Bose speakers,Amplifier,Speakers number: 7 speakers,CENTER CONSOLE,Beverage holders: Front beverage holders,Console insert material: Simulated wood and metal-look console insert,Floor console: Full floor console,Floor console storage: Covered floor console storage,Wireless Charging,Front Bucket Seats,2 Charge/data USB Ports Inside Center Console,Electronic Precision Shift,Seating capacity: 5,Split front seats: Bucket front seats, SLT EQUIPMENT GROUP - Includes HD REAR VISION CAMERA,LED Cargo Area Lighting,Remote Vehicle Starter System,Electric Rear-Window Defogger,Theft Deterrent System (unauthorized Entry),Chrome Header and Chrome Grille Insert Bars,170 Amp Alternator,Auxiliary External Transmission Oil Cooler,Front Rain-Sensing Wipers,GMC Pro Safety,FORWARD COLLISION ALERT,Lane Keep Assist with Lane Departure Warning,FOLLOWING DISTANCE INDICATOR,Front Pedestrian Braking,Automatic Emergency Braking,Brake assist system: Automatic Emergency Braking brake assist system,Buckle to Driv

Features & options (250)

Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Keyless Entry
Keyless Ignition System
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Emergency Brake Assist
Lane Departure Warning
Lane Keep Assist
Wireless Phone Charging
Forward Collision Warning
Navigation System
Rear View Camera
Tow Hitch/Tow Package
Automatic Climate Control
Entertainment System
Turbo Charged Engine
Cruise Control
Premium Sound System
SiriusXM Trial Subscription
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
Can use Apple CarPlay and Android Auto wirelessly
Wi-Fi Hotspot capable
May require additional optional equipment
Steering-wheel mounted controls
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
Chrome front bumper
Deep-tinted glass
Provides added protection from sun and glare
Grille (Chrome header and chrome grille insert bars with gloss black accents.)
Rainsense automatic wipers
17" full-size spare steel wheel with Black finish
LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
Cargo bed LED lighting
Provides light to find cargo in the bed
Rear pillar lamps
Perimeter Lighting
Chrome rear bumper
With integrated CornerSteps
Spare tire carrier lock
Helps keep spare tire secure
Utilizes the same key as the door and ignition
IntelliBeam
Heated, power, driver-side auto-dimming, power-folding outside mirrors
Puddle lamps
Memory setting
Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
Cab-mounted cargo area lamps
With switch in switch bank left of the steering wheel
Illuminates the cargo bed area
Chrome mirror caps
GMC MultiPro Tailgate
Full chrome surround window moldings
Rear wheelhouse liners
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
18" 265/65R18SL all-season, blackwall tires
Tailgate and bed rail protection caps
17" 265/70R17SL all-season, blackwall spare tire
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
LED fog lamps
Help minimize glare in adverse driving conditions
18" 6-spoke machined aluminum wheels with Dark Grey Metallic accents
Chrome door handles
Summit White
Front license plate bracket
Carpeted floor covering
Color-keyed to match the interior
13.4" diagonal multicolor reconfigurable Infotainment screen
Rear air vents
Provides cabin comfort for rear occupants
120-volt box-mounted power outlet
3-prong auxiliary household-style outlet
Located in the pickup bed
Steering column lock, electrical
USB ports
(2) Data/charge ports located on instrument panel
Rear carpeted floor mats
Helps protect your interior from road debris and the elements
Denali model has unique premium carpet
Denali Ultimate model has premium floor mats
(2) Charge ports located on rear of console
Driver memory
Power windows
Front passenger with express-up/down
120-volt power outlet
Located on the instrument panel
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
Power door locks
Programmable
10-way power driver seat with power lumbar
Moves the seat forward and back, and up and down
Tilt the seat cushion and seatbacks
12.3" diagonal color Driver Information Center
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Driver with express-up/down
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
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)
Compass
Located in instrument cluster
10-way power front passenger seat
Forward and back
Up and down
Tilt seat cushion back and upright
Recline seatback up and down
Includes 2-way power lumbar
Inside rearview auto-dimming mirror
Front carpeted floor mats
Denali Ultimate model has premium floor mats with corner applique
Power windows with rear express-down
Wrapped steering wheel
Rear window defogger
Outside temperature display
Located in infotainment display
Heated driver and front outboard passenger seats
Individually controlled
Seat trim, Perforated leather-appointed front outboard
Front center console
Front bucket seats
Includes center console
3 Years SiriusXM
Enjoy channels curated by DJs, personalities, and tastemakers
Power tilt and telescoping steering column
Use the driver memory to save and recall memory settings
Provides extra comfort when entering or exiting the vehicle
Ventilated driver and front passenger seats
Cooling feature includes both seatbacks and cushions
1-Year MobileService+
Dark Walnut/Slate, Perforated leather-appointed front outboard seat trim
Wireless Charging
Uses induction technology for portable electronic devices
Convenient charging location at the front of the center console
Device may require optional case for phones that are compatible
Cargo tie-downs (12)
Pickup bed
Roll-formed high-strength steel
4-wheel antilock disc brakes
3.23 rear axle ratio
Heavy-duty 730 cold-cranking amps battery
80 Amp-hr
Maintenance-free with rundown protection and retained accessory power
Brake pad wear indicator
Standard Suspension Package
Single-speed Autotrac Transfer Case
3 Transfer Case modes
2WD HI mode
Vehicle operates in 2-wheel drive
Suitable for routine driving on all road surfaces
4WD Auto mode
4WD HI mode
Terrain mode
Push Button Start
Automatic locking rear differential
Electric Power Steering
Electric, rack-mounted with variable assist
Steering assist is greater during low-speed maneuvers, such as parking
Aluminized stainless-steel muffler and tailpipe
Capless fuel fill
Fully boxed frame
Hydroformed front section
High-strength steel
Single-outlet exhaust
Black vertical recovery hooks
Two front frame-mounted
Four wheel drive
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
Heavy-duty 850 cold-cranking amps battery
95 Amp-hr
7,200 lbs. GVWR
Emissions, Federal requirements
220-amp alternator
GMC Pro Safety
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
Lane Keep Assist with Lane Departure Warning
Automatic Emergency Braking
Buckle to Drive
Safety Alert Seat on AT4, AT4X, Denali and Denali Ultimate
Trailering Package
Trailer hitch
Trailering hitch platform
Includes a 2" receiver hitch, 4-pin and 7-pin connectors
Hitch Guidance
SLT Preferred Equipment Group includes standard equipment
SLT Convenience Package
Bucket seats
Center console
Heated and ventilated front seats
USB ports in center console
Bose Premium Sound System with Richbass woofer
Power Rake/ Telescoping steering column
LED Daytime Running Lamps
Daytime Running Lamps automatically illuminate signature lighting
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger
Head-curtain airbags for outboard seating positions
Works at speeds between 5 and 50 mph
Designed to help you maintain a safe following distance
Seat Belt Adjustable Guide Loops
Front row only
You may receive additional Lane Departure Warning alerts if needed
Rear Seat Reminder
Tire Pressure Monitoring System with Tire Fill Alert
HD Rear Vision Camera
Can help you park or avoid vehicles and objects
OnStar services capable
Rear Seat Belt Indicator
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
Can help you line up the hitch to your trailer
Limited nighttime and low visibility performance
DriveType: Four Wheel Drive
City: 22 MPG
Hwy: 26 MPG
Combined: 24 MPG
Fuel System: Direct Injection
Fuel Tank Capacity: 24 gal
Fuel Type: Diesel Fuel
Horse Power: 305

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 San Angelo, Texas

Asking price$52,218Dealer asking price · 6 mi

Market value$53,399Market value · based on 59 comparable cars

vs. market Fair price-2.2%Fair price · based on 59 comparable cars

Where this price sits

Among the lowest-priced · 80% of 59 similar listings ask more than this car.

Market value $53,399

This car$52,218

$48,245lowest$71,920highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$1,181 below the market value of $53,399

Price range

$48,245$71,920

13th lowest price of 60 similar listings within 250 milesTick marks the market value · range of 59 similar listings

AutosXchange Insights

Compared with 59 new 2026 GMC Sierra 1500 SLT listings within 250 mi.
Priced $1,181 below the market value of 59 comparable cars.
13th lowest price of 60 similar listings within 250 miles.
About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # G260741 — 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 8, 2026. No price change at this dealership since Nov 8 ($52,218).

Market activity: GMC Sierra 1500 prices in Fort Worth, TX: 30% of listings cut in 48 hours

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 12); 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 1500 SLT · new · within 250 miles of San Angelo, Texas. Showing the 12 nearest of 59 comparable cars for sale, nearest first.

2026 GMC Sierra 1500 SLT for sale at Mitchell Buick-GMC in San Angelo, TX

Fair price

20 photos