Key Features

An icon representing Body Type
Body Type Pickup
An icon representing Fuel Type
Fuel Type
An icon representing Engine Description
Engine Description
An icon representing Drivetrain
Drivetrain RWD
An icon representing Cab Type
Cab Type Crew Cab
An icon representing Trim
Trim SLT

Vehicle Details

checklist

Overview

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Stock Number

G264394

Stock Type

New

Year

2026

Make
GMC
Model
Sierra 1500
Model Code

TC10543

Cab Type

Crew

Vehicle Trim

SLT

Body Type
Pickup
VIN

3GTPHDE8XTG258412

Brake Type

Hydraulic

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Dimensions

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Dimensions

Class

2

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Drivetrain

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Drivetrain

RWD

Transmission

Transmission Type

Automatic

manufacturing

Engine

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Engine Description

3.0L Duramax<sup>&reg;</sup> Turbo Diesel engine

Engine Cylinder Count

6

Engine Model

LZ0

Engine Size (L)

3.0

Horsepower

305

Fuel Type

Diesel

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Seating

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Seat Dimensions

Seating Capacity

6

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Colors

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Exterior Color

Gray

Interior Color

Dark Walnut/Slate, Perforated leather-appointed front outboard seat trim

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Vehicle Options

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  • Floor covering, color-keyed carpeting
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • SiriusXM Trial Subscription
  • Air vents, rear
  • Bumper, front chrome lower
  • Glass, deep-tinted
  • Wireless, Apple CarPlay / Wireless Android Auto
  • Steering wheel, heated
  • Grille (Chrome header and chrome grille insert bars with gloss black accents.)
  • Cooling, external engine oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Automatic Stop/Start
  • Wipers, front rain-sensing
  • Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
  • Steering column lock, electrical
  • Automatic Emergency Braking (Included and only available with (PDI) GMC Pro Safety.)
  • USB Ports, 2, Charge/Data ports located on instrument panel
  • Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
  • Cargo tie downs (12), fixed
  • Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
  • Headlamps, LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running Lamps
  • Pickup bed
  • Remote vehicle starter system
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seat Belt Adjustable Guide Loops, front row only
  • Floor mats, carpeted rear (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Cooling, auxiliary external transmission oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Front Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)
  • Lighting, perimeter
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Steering wheel audio controls
  • USB ports, (2) charge-only, rear
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Bumper, rear chrome with bumper CornerSteps
  • Rear axle, 3.23 ratio (Not available with (NHT) Max Trailering Package.)
  • Window, power front, passenger express up/down
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)
  • Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
  • Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Theft-deterrent system, unauthorized entry
  • Lane Keep Assist with Lane Departure Warning (Included and only available with (PDI) GMC Pro Safety.)
  • Audio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes color touch-screen, multi-touch display, AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD)
  • Rear Seat Reminder
  • SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
  • Daytime Running Lamps, LED signature lighting
  • Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine and (L87) 6.2L EcoTec3 V8 engine.)
  • Brake lining wear indicator
  • Keyless Open and Start includes remote keyless entry
  • Door locks, power
  • Seat adjuster, driver 10-way power including lumbar
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
  • Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Push Button Start
  • Auto-locking rear differential
  • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
  • Windows, power front, drivers express up/down
  • Air conditioning, dual-zone automatic climate control
  • Rear wheel drive
  • Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
  • Compass, located in instrument cluster
  • Seat adjuster, passenger 10-way power including lumbar
  • Mirror caps, chrome
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Mirror, inside rearview auto-dimming
  • Moldings, window surround, Chrome
  • Wheelhouse liners, rear
  • Exhaust, aluminized stainless-steel muffler and tailpipe
  • Capless Fuel Fill
  • Frame, fully-boxed, hydroformed front section
  • Exhaust, single outlet
  • OnStar services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Bluetooth for phone, connectivity to vehicle infotainment system
  • Recovery hooks, front, frame-mounted, Black
  • Floor mats, carpeted front (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)
  • Windows, power rear, express down
  • Steering wheel, wrapped
  • Tailgate and bed rail protection caps, top
  • Defogger, rear-window electric
  • CornerStep, rear bumper
  • Exterior Temperature Display, located in radio display
  • GMC Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UHX) Lane Keep Assist with Lane Departure Warning, and (UHY) Automatic Emergency Braking (Includes (T8Z) Buckle to Drive.)
  • Rear Seat Belt Indicator
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • Fog lamps, LED
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
  • Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) GMC Pro Safety.)
  • Hitch Guidance
  • Door handles, chrome
  • Seating, heated driver and front outboard passenger
  • Trailer brake controller, integrated
  • Seat trim, Perforated leather-appointed front outboard
  • Center Console, floor-mounted
  • SLT Preferred Equipment Group
  • Engine block heater
  • Trailer Side Blind Zone Alert
  • Adaptive Cruise Control
  • Seats, front bucket
  • Battery, heavy-duty 850 cold-cranking amps/95 Amp-hr, maintenance-free
  • Universal Home Remote
  • Transmission, 10-speed automatic with Electronic Precision shift, electronically controlled
  • Tire, spare 255/80R17SL all-season, blackwall
  • Assist steps, Chrome wheel to wheel
  • Trailer Camera Provisions and trailer viewing software
  • Suspension Package, High Capacity
  • Window, power, rear sliding with rear defogger
  • SLT Convenience Package
  • Wheels, 20" Polished aluminum wheels
  • Option/package discount
  • Sierra Safety Plus Package
  • Safety Alert Seat
  • HD Surround Vision
  • Engine, Duramax 3.0L Turbo-Diesel I6
  • Steering column, power rake and telescoping
  • Tires, 275/60R20 all-season, blackwall
  • Seats, ventilated driver and front passenger
  • Bose Sound System, premium 7-speaker system
  • Front and Rear Park Assist, ultrasonic
  • Rear Pedestrian Alert
  • ProGrade Trailering System
  • Hitch View
  • Electronic Precision Shift and steering column paddle shifters
  • License plate kit, front
  • In-Vehicle Trailering App
  • Emissions, Federal requirements
  • GVWR, 7000 lbs. (3175 kg)
  • Sterling Metallic
  • Seats, heated second row outboard seats
  • Rear Cross Traffic Braking
  • Dark Walnut/Slate, Perforated leather-appointed front outboard seat trim
  • Wireless Charging
  • Alternator, 220 amps
  • Bedliner, Spray-on
  • Texas Edition SLT Premium Plus Package
  • SLT Preferred Package
  • TEXAS EDITION SLT PREMIUM PLUS PACKAGE DISCOUNT & DIESEL CREDIT
  • CUSTOMER DIALOGUE NETWORK

Bruner Early GMC ci2 Test Site

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Listing Notes
2026 GMC Sierra 1500 SLT The Power of Diesel in Brownwood, TXExperience the ultimate combination of efficiency and premium capability with this 2026 GMC Sierra 1500 SLT, now available at Bruner Auto Group in Early/Brownwood, TX. Finished in a sleek Sterling Metallic with a sophisticated Dark Walnut/Slate leather interior, this truck is engineered for those who work hard and play harder. Whether you're hauling a trailer to Lake Brownwood or navigating the ranch roads of Brown County, this Sierra SLT delivers professional-grade performance.Efficiency Meets High-Torque PerformanceThis Sierra is powered by the highly acclaimed 3.0L Duramax Turbo-Diesel I6 engine, paired with a smooth-shifting 10-speed automatic transmission. This powertrain is the preferred choice for Texas drivers who demand maximum towing torque without sacrificing fuel economy.Fuel Efficiency: Achieve an impressive 28 MPG highway and 23 MPG city, making those long drives to Fort Worth or Abilene much more affordable.Premium Smooth Ride: Equipped with the High Capacity Suspension Package to ensure a composed, comfortable ride even when the bed is full.Texas Edition SLT Premium Plus Package: This specialized trim adds exclusive badging and a suite of features designed specifically for the needs of Lone Star State drivers.Trailering Excellence: Features the ProGrade Trailering System, Hitch Guidance with Hitch View, and an integrated trailer brake controller.Premium Interior & Advanced TechnologyThe SLT cabin is a sanctuary of tech and luxury, designed to function as a mobile office and a family getaway vehicle.13.4 Diagonal GMC Infotainment System: Your hub for navigation and media, featuring Google Built-In, Wireless Apple CarPlay, and Wireless Android Auto.Bose 7-Speaker Premium Sound System: Enjoy crystal-clear audio with a dedicated subwoofer.Luxury Comfort: Experience Heated and Ventilated Front Bucket Seats, Heated Second-Row Outboard Seats, and a Heated Steering Wheel.Power Sunroof: Floods the cabin with natural light and fresh Texas air.Wireless Charging: Keep your devices powered up without the clutter of cables.Work-Ready UtilityGMC MultiPro Tailgate: Six unique functions to improve loading, unloading, and access to the cargo bed.Spray-on Pickup Bedliner: Features the GMC Logo and provides industry-leading protection for your truck bed.20 Polished Aluminum Wheels: A bold, refined look that commands attention on the road.Chrome Accents: Featuring a chrome header, chrome grille insert bars, and chrome wheel-to-wheel assist steps.LED Cargo Area Lighting & 120-Volt Bed Outlet: Keep the job going long after the sun sets.Advanced Safety & Driver AssistanceDrive with total confidence through Early and Brownwood with the Sierra Safety Plus Package:HD Surround Vision: Provides a 360-degree bird's-eye view of your truck and surroundings.Adaptive Cruise Control: Automatically maintains a safe following distance on the highway.Trailer Side Blind Zone Alert: Essential for safe lane changes while towing.Rear Cross Traffic Braking & Rear Pedestrian Detection.Ultrasonic Front and Rear Park Assist: Helps you navigate tight spots in downtown Brownwood with ease.Why Buy from Bruner Auto Group?At Bruner Auto Group, we have been a proud part of the Brownwood, Early, and Comanche community since 1928. We believe in providing a transparent, no-hassle buying experience and top-tier service that treats you like family. This 2026 GMC Sierra 1500 SLT has passed our rigorous inspection and is ready to be your next partner on the road.Visit us today at 224 Early Blvd, Early, TX 76802, or call to schedule your test drive!
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