2026 GMC Sierra 1500 Pro

  • Used
$34,876Price
$35,834Final Price
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John Thornton Cadillac
Location Details
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    The overview

    Exterior Color
    Sterling Metallic
    Interior Color
    Jet Black, Cloth seat trim
    Odometer
    363 miles
    Fuel Economy
    18/21 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    RWD
    Engine
    TurboMax™ engine
    VIN
    3GTNHAEK6TG255346
    Stock Number
    TG218A
      • Max seating capacity: 2
      • Fuel System: Direct Injection
      • Fuel tank capacity: 24 gal
      • Horsepower: 310
      • Towing capacity: 9000 lbs
      • 2-speaker audio system:
        • Includes 2 speakers placed in the front doors
      • Bluetooth®:
        • Pair your compatible mobile phone to your vehicle's infotainment system1
        • Place and receive hands-free phone calls
        • Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
        • With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
      • GMC Infotainment System with color touchscreen:
        • Multi-touch display and AM/FM stereo
        • 7" diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on Sierra 1SA
        • Bluetooth®2 audio streaming for select devices
        • Apple CarPlay™ capability for compatible phones3
        • Android Auto™ capability for compatible phones4
      • SiriusXM Trial Subscription:
        • With your trial subscription, get access to all of your favorite entertainment from SiriusXM to enjoy in your vehicle and on the SiriusXM app - from ad-free music, talk and sports, to comedy, news, podcasts and more1
        • Enjoy channels curated by DJs, personalities and tastemakers for a listening experience you can't live without
        • Plus, take the full SiriusXM experience with you everywhere you go with the SiriusXM app - at home, on your phone or connected devices, and unlock other exclusives that bring you even closer to your favorite stars, artists, creators, hosts and athletes
      • Wi-Fi® Hotspot capable:
        • Terms and limitations apply. See onstar.com or dealer for details.
        • May require additional optional equipment
      • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones:
        • Can use Apple CarPlay1 and Android Auto2 wirelessly
        • Apple CarPlay vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks for Apple Inc, registered in the U.S. and other countries.
        • Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you'll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.
      • 17" 255/70R17 all-season, blackwall spare tire
      • 17" 255/70R17 all-season, blackwall tires
      • 17" full-size spare steel wheel with Black finish
      • 17" painted Silver wheels:
        • Steel
      • Black door handles
      • Cab-mounted cargo area lamps:
        • With switch in switch bank left of the steering wheel
        • Illuminates the cargo bed area
      • Cargo bed LED lighting:
        • Provides light to find cargo in the bed
        • Rear pillar lamps
      • Chrome front bumper
      • Chrome mirror caps
      • Chrome rear bumper:
        • With integrated CornerSteps
      • CornerStep rear bumper:
        • Helps make it easier to get into and out of the pickup bed
        • Located at each end of the rear bumper
        • Textured step pads to help provide secure footing
      • Deep-tinted glass:
        • Provides added protection from sun and glare
      • Front license plate bracket:
        • Front bracket is included if displaying a front license plate is required in your state
      • Heated power outside mirrors:
        • Power adjustable, manual folding
        • May require additional optional equipment
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
        • May require additional optional equipment
      • LED reflector (high intensity) headlamps with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps:
        • C-shaped LED headlamps with signature lighting and innovative light blade technology
      • LED signature tail lamps with Fade-on/Fade-off animation, incandescent stop, turn and reverse light:
        • C-shaped LED taillamps with LED stop and reverse light
        • Help improve visibility in low-light conditions
        • Brighter and lasts longer than traditional incandescent bulbs
      • Locking tailgate:
        • Tailgate locks and unlocks with the same key as the ignition and door
      • Perimeter Lighting
      • Spare tire carrier lock:
        • Helps keep spare tire secure
        • Utilizes the same key as the door and ignition
      • Spray-on bedliner:
        • Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
        • Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
        • Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
        • Does not include spray-on liner on tailgate due to Black composite inner panel
        • Includes logo on all trims except PRO
      • Standard tailgate
      • Tailgate and bed rail protection caps
      • Tailgate with EZ Lift assist, power lock & release:
        • Hitch area lighting
        • May require additional optional equipment
      • 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-volt auxiliary front power outlet:
        • May require additional optional equipment
      • 120-volt box-mounted power outlet:
        • 3-prong auxiliary household-style outlet
        • Located in the pickup bed
        • May require additional optional equipment
      • 120-volt power outlet:
        • 3-prong auxiliary household-style outlet
        • Located on the instrument panel
        • Makes it convenient for powering laptops, phone chargers and other electronic devices
        • May require additional optional equipment
      • 3.5" diagonal monochromatic Driver Information Center
      • 4-way manual front passenger seat:
        • Can be positioned forward or back and up or down
      • 40/20/40 split-bench front seat with under-seat storage:
        • Seating for up to 3
        • Driver and front passenger seatbacks recline
        • Head restraints at the outboard seating positions
        • Center seatback that doubles as a fold-down armrest with storage
      • All-weather floor liners:
        • Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
        • Include Brand logo
        • Provides coverage for first and second-row seating
        • Replaces factory floor mats
      • Assist handles:
        • Front A-pillar mounted for Driver and Passenger
        • Rear B-pillar mounted
      • Carpeted floor covering:
        • Color-keyed to match the interior
      • Compass:
        • Located in instrument cluster
      • Cruise control:
        • Maintains a selected speed while driving
        • Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
        • Set and resume speed functions
        • Steering-wheel mounted controls to easily maintain and manage cruising speed
      • Inside rearview manual day/night mirror:
        • Adjust the tilt of the mirror to help reduce glare during nighttime driving
      • Instrumentation:
        • Includes analog speedometer and tachometer
        • 6-gauge cluster
        • Speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
      • Manual tilt steering column:
        • Allows the steering wheel to be manually adjusted up or down
        • Provides extra comfort when entering or exiting the vehicle
        • Locking security feature
      • Outside temperature display:
        • Located in infotainment display
      • Power door locks:
        • Programmable
        • Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob
      • Power windows:
        • Driver with express-up/down
        • May require additional optional equipment
      • Power windows:
        • Front passenger with express down
        • May require additional optional equipment
      • Rear window defogger:
        • Helps to keep your rear view clear of fog or frost
        • Utilizes a warming grid to help remove fog or frost from the rear window
      • Remote Keyless Entry:
        • Allows you to lock and unlock doors of the vehicle with the key fob
        • Driver's door or all doors unlock at the touch of a button
        • Includes panic alarm button
        • Includes remote locking tailgate
        • May require additional optional equipment
      • Single-zone climate control:
        • Maintains a selected temperature
        • Manual
      • Steering wheel
      • USB ports:
        • (2) Data/charge ports located on instrument panel1
      • 220-amp alternator:
        • May require additional optional equipment
      • 3.42 rear axle ratio:
        • May require additional optional equipment
      • 4-wheel antilock disc brakes:
        • Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
        • Duralife brake rotors have better resistance to corrosion to increase rotor life, minimize brake pulsation, and improve aesthetic appearance
      • 6,700 lbs. GVWR:
        • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
        • May require additional optional equipment
      • 8-speed automatic transmission:
        • Electronically controlled with overdrive
        • Tow/Haul mode
          • Raises transmission upshift points to provide more power to accelerate with a trailer or heavy load
          • Raises downshift points to use engine compression to help slow the truck instead of merely braking
        • Powertrain Grade Braking
          • Automatically uses the engine and transmission to slow the truck to maintain desired speeds when driving downhill
          • Reduces brake wear and increases vehicle control
        • Cruise Grade Braking
          • Downshifts automatically to slow the truck as it drives downhill if it exceeds the cruise set speed by a certain amount
      • Aluminized stainless-steel muffler and tailpipe
      • Automatic Stop/Start:
        • At complete stops, when drivers keep their foot on the brake pedal, and under certain conditions, the engine shuts off
        • When drivers remove their foot from the brake, the engine automatically restarts
        • Under certain circumstances, the engine will not shut off at a complete stop
        • This feature can be disabled with a switch on the center stack
      • Automatic locking rear differential:
        • When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
        • The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
      • Black vertical recovery hooks:
        • Two front frame-mounted1
      • Brake pad wear indicator
      • Capless fuel fill:
        • Prevents paint scratches that can result from a tethered fuel cap
        • Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
      • Cargo tie-downs (12)
      • Electric Power Steering:
        • Electric, rack-mounted with variable assist
        • Increases or decreases the amount of assist depending on the steering wheel angle
        • The system delivers great on-center precision and confident performance at higher speeds
        • Steering assist is greater during low-speed maneuvers, such as parking
      • Fully boxed frame:
        • Hydroformed front section
        • High-strength steel
      • Heavy-Duty Air Filter:
        • Thick construction helps to trap more dirt before it can enter the air intake
        • May require additional optional equipment
      • Heavy-duty 730 cold-cranking amps battery:
        • 80 Amp-hr
        • Maintenance-free with rundown protection and retained accessory power
        • May require additional optional equipment
      • Integrated trailer brake controller:
        • Integrated with the antilock brake system (ABS)
        • Helps provide measured brake force signaling to electric-controlled trailer brake systems
        • Trailer gain and output are displayed in the Driver Information Center
      • Pickup bed:
        • Roll-formed high-strength steel
      • Push Button Start
      • Single-outlet exhaust:
        • May require additional optional equipment
      • Standard Suspension Package
      • TurboMax™ engine:
        • 310 hp [231 kW] @ 5600 rpm
        • 430 lb-ft of torque [583 Nm] @ 3000 rpm
        • Paired with an 8-speed automatic transmission
      • 1SA Safety Plus Package:
        • Front and Rear Park Assist1
        • Lane Change Alert with Side Blind Zone Alert1
        • Rear Cross Traffic Braking1
        • Perimeter lighting
        • Outside chrome mirror caps
        • May require additional optional equipment
      • Convenience Package:
        • Remote Keyless Entry
        • Rear-window defogger
        • EZ Lift power lock and release tailgate
        • Tinted glass
        • LED cargo bed lighting
        • Outside heated power-adjustable mirrors (Crew Cab and Double Cab models)
      • GMC Pro Safety:
        • Forward Collision Alert1
        • Following Distance Indicator1
        • Front Pedestrian Braking1
        • Lane Keep Assist with Lane Departure Warning1
        • Automatic Emergency Braking1
        • Buckle to Drive1
        • IntelliBeam1
        • Safety Alert Seat1 on AT4, AT4X, Denali and Denali Ultimate
        • Enhanced Automatic Emergency Braking1 is standard on Denali and Denali Ultimate2
      • Pro Value Package:
        • Convenience Package
        • Trailering Package
      • Trailering Package:
        • Trailer hitch1
        • Trailering hitch platform
        • Includes a 2" receiver hitch, 4-pin and 7-pin connectors
        • 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
        • Hitch Guidance2
      • LED Daytime Running Lamps:
        • Daytime Running Lamps automatically illuminate signature lighting
      • 6 airbags:
        • Dual-stage frontal airbags for driver and front outboard passenger1
        • Seat-mounted side-impact airbags for driver and front outboard passenger1
        • Head-curtain airbags for outboard seating positions1
        • Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
      • Automatic Emergency Braking:
        • Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
        • Can automatically provide hard emergency braking or enhance your hard braking
        • Works at speeds between 5 and 50 mph
        • May require additional optional equipment
      • Buckle to Drive:
        • Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
        • The feature also reminds the front passenger to buckle up, if equipped
      • Following Distance Indicator:
        • Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
        • Designed to help you maintain a safe following distance
        • May require additional optional equipment
      • Forward Collision Alert:
        • Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
        • Can also provide a tailgating alert if you're following a vehicle much too closely
        • May require additional optional equipment
      • Front and Rear Park Assist:
        • Provides alerts of nearby detected vehicles and objects in front of or behind your vehicle1
        • These can help you park and avoid collisions
        • May require additional optional equipment
      • HD Rear Vision Camera:
        • Shows high-resolution digital image of area directly behind your vehicle while in Reverse1
        • Can help you park or avoid vehicles and objects
        • You can also display an overlay of where your vehicle is heading
        • Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
        • May require additional optional equipment
      • Hitch Guidance:
        • When in Reverse, displays a centered guideline on the Rear Vision Camera view1
        • Can help you line up the hitch to your trailer
        • When driving, lets you check the trailer using Rear Vision Camera view
      • Lane Change Alert with Side Blind Zone Alert:
        • Provides visual side-mirror alerts when a moving vehicle is detected either quickly approaching or already in your side blind zone1
        • Can help you avoid lane change collisions
        • May require additional optional equipment
      • Lane Keep Assist with Lane Departure Warning:
        • Uses a brief steering wheel turn to alert you when it detects you are unintentionally drifting out of your lane lines1
        • System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
        • You may receive additional Lane Departure Warning alerts if needed
        • May require additional optional equipment
      • OnStar Basics:
        • Drive confidently with core OnStar services including1
          • Remote commands
          • Built-in voice assistance
          • Real-time traffic and navigation
          • Automatic Crash Response
      • OnStar® services capable:
        • See onstar.com for details and limitations. Services vary by model. Service plan required.
      • Rear Cross Traffic Braking:
        • When in Reverse, alerts you or automatically provides hard emergency braking to prevent a collision with detected vehicles crossing behind you1
        • May require additional optional equipment
      • Tire Pressure Monitoring System with Tire Fill Alert:
        • Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1
        • Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
        • Properly inflate tires to help optimize your vehicle's ride, handling and efficiency
      • Front Pedestrian Braking:
        • At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
        • Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
        • Limited nighttime and low visibility performance
        • May require additional optional equipment
      • StabiliTrak, electronic stability control system with traction control:
        • Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
        • Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
        • Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
        • Includes Brake Assist that senses how hard and fast a driver hits the brake pedal and gives extra braking assistance, if required
        • Includes Trailer Sway Control
        • Hill Start Assist
      Thank you for considering this beautiful 2026 GMC Sierra 1500 Pro finished in stunning Sterling Metallic with Jet Black Vinyl.


      Odometer is 3576 miles below market average!


      18/21 City/Highway MPG


      We are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provide you with an excellent purchase and ownership experience. We also proudly serve Douglasville Cadillac customers. Whether you're searching for a new or used car near Douglasville or Bremen, researching financing options, or looking for a quick quote on a car, truck, or SUV, the friendly, yet professional staff at our Carrollton Cadillac dealership is ready to provide you with all the help you need. We are proud to serve Bremen Cadillac customers. We have served as your premier Cadillac dealer for the entire West Georgia area for over 45 years. Standard Suspension Package, 8-Speed Automatic, Jet Black Vinyl, 2 Charge/Data USB Ports, 2 Speakers, 2-Speaker Audio System Feature, 220 Amp Alternator, 3.42 Rear Axle Ratio, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, ABS brakes, Air Conditioning, AM/FM radio, Apple CarPlay/Android Auto, Auto High-beam Headlights, Automatic Emergency Braking, Brake assist, Buckle to Drive, Bumpers: chrome, Chrome Header with Flat Black Grille Insert Bars, Compass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, HD Rear Vision Camera, Heated door mirrors, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Lane Keep Assist with Lane Departure Warning, Low tire pressure warning, Occupant sensing airbag, OnStar Services Capable, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power Door Locks, Power door mirrors, Power Front Windows with Driver Express Up/Down, Power Front Windows with Passenger Express Down, Power steering, Power windows, Push Button Start, Radio data system, Radio: GMC Infotainment Audio System, Rear reading lights, Rear step bumper, Remote Keyless Entry, Remote keyless entry, Solar Absorbing Tinted Glass, Speed control, Speed-sensing steering, Tachometer, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, Vinyl Seat Trim, Voltmeter, Wheels: 17 x 8 Silver Painted Steel, Wi-Fi Hotspot Capable, and Wireless Apple CarPlay/Wireless Android Auto.
      CLEAN CARFAX NO ACCIDENTS REPORTED, PLEASE CALL 770-832-9602 TODAY!!!, 8-Speed Automatic, Jet Black Vinyl.

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