2023 GMC Sierra 1500 SLT

  • Used
  • Diesel
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Frontier Motors Ford
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    Dark Walnut/Slate
    Odometer
    25,343 miles
    Body/Seating
    Truck Crew Cab/5 seats
    Seats
    5 seats
    Fuel Economy
    22/27 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    I-6 cyl
    VIN
    3GTUUDE80PG288572
    Stock Number
    26F063A
    • AutoCheck

    The highlights

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Premium audio system
    • Wireless phone connectivity
    • Front dual zone A/C
    • Auto high-beam headlights
    • Rain sensing wipers
    • Auto-dimming rearview mirror
    • Split folding rear seat

    A closer look at what’s included

    SLT premium package

    • SLT convenience package
    • 20" polished aluminum wheels
      Includes technical gray painted accents.
    • chrome wheel to wheel assist steps
      Wheel to wheel.

    X31 off-road and protection package

    • spray-on pickup bed liner with GMC logo
      Does not include spray-on liner on tailgate due to black composite inner panel.
    • all-weather floor liner
      Includes 1st and 2nd rows. Replaces factory floor mats. Dealer installed.

    SLT convenience package

    • front bucket seats
      Includes center console.
    • floor-mounted center console
      Includes cup holders, cell phone storage, power cord management and hanging file holder capability.
    • ventilated driver and front passenger seats
    • wireless charging
      Not compatible with all phones. Compliant batteries include QI and PMA technologies. Reference mobile devices manual to confirm what type of battery it uses. Beginning October 26, 2022 through November 20, 2022, certain vehicles will be forced to include (00C) not equipped with wireless charging, which removes wireless charging. See dealer for details or the window label for the features on a specific vehicle.

    X31 off-road package

    • off-road suspension
    • hill descent control
    • skid plates
    • heavy-duty air filter

    20" polished aluminum wheels

    • high capacity suspension package

    Duramax 3.0L turbo-diesel I6 engine

    • 220 amp alternator
    • engine block heater
    • 850 heavy-duty battery
      Cold-cranking amps/95 amp-hr, maintenance free with rundown protection and retained accessory power.
    • delete external engine oil cooler

    275/60R20SL AT BW tires

    • 255/80R17SL AS BW Spare Tire

    GMC pro safety

    • Forward Collision Alert
    • Following Distance Indicator
    • front pedestrian braking
    • IntelliBeam Automatic High Beam on/off

    front bucket seats

    • 2 charge/data USB ports inside center console
    • electronic precision shift
      Includes steering column paddle shifters.

    front 40/20/40 split-bench seat

    • 10-way power driver seat adjuster with lumbar
    • 10-way power passenger seat adjuster with lumbar
    • driver memory
      Recalls driver presets for power driver seat and outside mirrors.
    • heated driver and front outboard passenger seating

    trailering package

    • hitch guidance

    120-volt instrument panel power outlet

    • 120-volt bed mounted power outlet
      400 watts shared with (KI4) instrument panel mounted power outlet.

    premium GMC infotainment audio system radio

    • 6-speaker audio system feature
    • wireless phone projection
      For Apple CarPlay and Android Auto.

    preferred equipment group 4SA

    • GMC pro safety
    • wireless phone projection
      For Apple CarPlay and Android Auto.
    • 6-speaker audio system feature
    • SiriusXM with 360L
      Enjoy a trial subscription of the Platinum plan package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the Platinum plan, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. Important: the SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental (FDR) use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM customer agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations.

    More pre-installed items

    • 3.23 rear axle ratio
    • front license plate kit
      Will be forced on orders with ship-to states that require a front license plate.
    • 10-speed automatic transmission
      Electronically controlled with overdrive, tow/haul mode and steering column paddle shifters. Includes electronic precision shift, cruise grade braking and powertrain grade braking.
    • not equipped with steering column lock
    • 1-touch down
    • 1-touch up
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar and GMC connected services capable
    • Front beverage holders
    • Front dual zone A/C
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start
    • Remote keyless entry
    • Speed control
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front tires: 275/60SR20.0
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 275/60SR20.0
    • Speed-sensing steering
    • Tires: all-terrain
    • Wheel size: 20"
    • 1st row LCD monitors: 2
    • AM/FM radio
    • Premium audio system: GMC Infotainment System
    • Primary LCD size: 13.4"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity: Bluetooth
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Block heater
    • Compressor: intercooled turbo
    • Cylinder configuration: I-6
    • Cylinder deactivation
    • Drive type: four-wheel
    • Engine liters: 3.0L
    • Engine location: front
    • Fuel economy city: 22mpg
    • Fuel economy combined: 17mpg
    • Fuel economy highway: 27mpg
    • Fuel tank capacity: 24.0gal.
    • Horsepower: 305hp @ 3,750RPM
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 24
    • Rear locking differential
    • Standard fuel economy fuel type: diesel
    • Transmission: 10 speed automatic
    • Variable intake manifold
    • Variable valve control
    • Approach angle: 19 deg
    • Departure angle: 24 deg
    • Ground clearance (min): 206mm (8.1")
    • Ramp breakover angle: 18 deg
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: chrome
    • Door mirrors: chrome
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Tailpipe finisher: chrome
    • Trailer hitch
    • Trailer sway control
    • Compression ratio: 15.00 to 1
    • Engine bore x stroke: 84.0mm x 90.0mm (3.31" x 3.54")
    • Exterior body width: 2,062mm (81.2")
    • Exterior height: 1,918mm (75.5")
    • Exterior length: 5,890mm (231.9")
    • Front headroom: 1,092mm (43.0")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,690mm (66.5")
    • GVWR: 3,266kg (7,200lbs)
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,529mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,656mm (65.2")
    • Towing capacity: 3,992kg (8,800lbs)
    • Wheelbase: 3,744mm (147.4")
    • Appearance: analog
    • Auto high-beam headlights
    • Compass
    • Configurable
    • Delay-off headlights
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: Lane Keep Assist with Lane Departure Warning active
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Rain sensing wipers
    • Rear reading lights
    • Rear window defroster
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Forward collision: Forward Collision Alert with Automatic Braking mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Security system
    • Traction control
    In a class by itself! You won't want to miss this excellent value!

    Feature-packed and decked out! Turbocharger technology provides forced air induction, enhancing performance while preserving fuel economy. This 4 door, 5 passenger truck has just over 25,000 miles! It includes leather upholstery, heated steering wheel, a bedliner, and air conditioning. It features four-wheel drive capabilities, a durable automatic transmission, and a 3 liter 6 cylinder engine.

    We know that you have high expectations, and we enjoy the challenge of meeting and exceeding them! Please don't hesitate to give us a call.

    Peace of mind

    vehicle history report

    Vehicle history report

    • Title information
    • Odometer readings
    • Accident data (if applicable)
    • Service history
    • Vehicle usage
    • Recall information (if applicable)
    • Warranty status
    Free AutoCheck report

    A name you can trust

    Frontier Motors is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
    More about us

    KBB.com Consumer Reviews

    Kelley Blue Book Logo4.0out of 5 overall
    • 4.0

      Depreciation of 50%

      by Manny A on 10/28/2026 10:06:36 AM

      This is a amazing truck.. Comfortable lots of sensors Etc…. My truck has 30000 miles I when to trade in they offer $46000 I paid $86000 the depreciation is incredible I don’t buy new truck never again.…
    • 5.0

      2021 GMC SLT 4WD SIERRA, Great Truck

      by Ransom1 on 10/15/2026 4:18:42 PM

      This is my 8th truck. This is hands down the very best truck I’ve ever owned. Not only is it the best looking truck on the road I have never had it in the shop except for oil changes and scheduled maintenance. The silver does not show dirt or grime.…
    • 5.0

      Great 4 cylinder truck

      by Steve on 9/23/2026 2:01:15 AM

      I have only pulled a trailer one time and still got 18 mpg down doing 80 down the interstate. Otherwise this vehicle is used for commuting or recreating. I typically get 22-24 mpg driving MT highways to the mountains. The turbo has some spunk for getting up to speed and the five years I've had my truck no complaints.…
    All reviews on KBB.com
    Based on 71 consumer ratings for 2019–2026 models. Privacy

      * The advertised price does not include sales tax, vehicle registration fees, other fees required by law, finance charges and any documentation charges. A negotiable administration fee, up to $115, may be added to the price of the vehicle.

      * Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness.