2026 GMC Sierra 1500 SLT Truck Crew Cab

  • Used
  • Diesel
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Keene Mitsubishi
Call 603-352-5900
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    Jet Black
    Odometer
    5,372 miles
    Body/Seating
    Truck Crew Cab/5 seats
    Seats
    5 seats
    Fuel Economy
    22/26 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    I-6 cyl
    VIN
    3GTUUDE80TG207659
    Stock Number
    G26384B
    • Show Me the CARFAX Badge

    The highlights

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Power moonroof
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear

    A closer look at what’s included

    SLT Premium Plus Package

    • SLT Convenience Package
    • SLT Preferred Package
    • Sierra Safety Plus Package
    • ProGrade Trailering System

    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

    Wheels: 20" Polished Aluminum

    • High Capacity Suspension Package

    SLT Preferred Package

    • Adaptive Cruise Control
    • Power Sliding Rear Window with Rear Defogger
    • Universal Home Remote
    • Heated 2nd Row Outboard Seats

    Sierra Safety Plus Package

    • Ultrasonic Front and Rear Park Assist
    • Rear Cross Traffic Braking
    • Rear Pedestrian Detection
    • Trailer Camera Provisions
      Includes trailer viewing software.

    Max Trailering Package

    • 3.42 Rear Axle Ratio
    • Enhanced Cooling Radiator
    • Heavier Duty Rear Springs
    • Increased RGAWR

    Engine: Duramax 3.0L Turbo-Diesel I6

    • 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

    ProGrade Trailering System

    • Hitch View
      Includes image adjustment and pan/zoom/tilt.
    • in-Vehicle Trailering System App
      Includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and trailer tire pressure monitor system module.

    Front Bucket Seats

    • 2 Charge/Data USB Ports Inside Center Console
    • Electronic Precision Shift
      Includes steering column paddle shifters.

    GMC Pro Safety

    • Forward Collision Alert
    • Following Distance Indicator
    • Front Pedestrian Braking
    • IntelliBeam Automatic High Beam on/Off

    Radio: Premium GMC Infotainment Audio System

    • 6-Speaker Audio System Feature
    • Wireless Apple CarPlay/Wireless Android Auto

    120-Volt Interior Power Outlet

    • 120-Volt Bed Mounted Power Outlet
      400 watts shared with (KI4) interior power outlet.

    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

    Preferred Equipment Group 4SA

    • GMC Pro Safety
    • 6-Speaker Audio System Feature
    • 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.
    • Electric Rear-Window Defogger

    Trailering Package

    • Hitch Guidance

    More pre-installed items

    • Trailer Tire Pressure Monitor System
      Includes set of 4 sensors. Sensor functionality requires (UET) in vehicle trailering app to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available as GM accessories.
    • Front License Plate Kit
      Will be forced on orders with ship-to states that require a front license plate.
    • Tires: 275/60R20 AS BW
    • 255/80R17SL AS BW Spare Tire
    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control: Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Moonroof sunshade: manual
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power moonroof
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start
    • Remote keyless entry
    • Speed control
    • Surround View Monitor: HD Surround Vision yes
    • 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
    • Wheel size: 20"
    • 1st row LCD monitors: 2
    • 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
    • Heated rear 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
    • Electric motor 1 torque: none
    • Electric motor horsepower: none
    • Engine liters: 3.0L
    • Engine location: front
    • Fuel economy city: 22mpg
    • Fuel economy combined: 16mpg
    • Fuel economy highway: 26mpg
    • Fuel tank capacity: 24.0gal.
    • Horsepower: 305hp @ 3,750RPM
    • Hybrid electric powertrain type: none
    • Hybrid system combined power torque: none
    • Hybrid system net power: none
    • 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
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Compression ratio: 15.00 to 1
    • Curb weight: 2,440kg (5,380lbs)
    • Engine bore x stroke: 84.0mm x 90.0mm (3.31" x 3.54")
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,918mm (75.5")
    • Exterior length: 5,890mm (231.9")
    • Front headroom: 1,013mm (39.9")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,676mm (66.0")
    • GVWR: 3,266kg (7,200lbs)
    • Greenhouse Gas Score (GG): 3
    • 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: 3,946kg (8,700lbs)
    • Turning radius: 7.1m (23.5')
    • Wheelbase: 3,744mm (147.4")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • Exterior parking camera right
    • 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
    • Parking sensors: UltraSonic front and rear
    • 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
    • Rear collision: Rear Cross Traffic Braking mitigation
    • Security system
    • Traction control
    This 2026 Onyx Black GMC Sierra 1500 SLT 4WD is well equipped and includes these features and benefits:

    Clean CARFAX. 10-Speed Automatic, 4WD, Black Leather. 22/26 City/Highway MPG


    Fairfield's Autos, located in beautiful Keene, NH, and serving the New Hampshire, Vermont, Massachusetts, and New England region. Our experienced sales staff is eager to share its knowledge and enthusiasm with you. They'll work with you to find the right vehicle at a price you can afford. Come on in and take a test drive! Please call (603) 352-7700.

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    • Recall information (if applicable)
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    Keene Mitsubishi is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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