2020 GMC Sierra 1500 SLT

  • Used
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LONG-LEWIS Decatur
Location Details
Call 256-745-5489
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  • 3 Day/300 Mile Money Back Guarantee.
*3 Day/300 Mile Money Back Guarantee does NOT apply to Pre-Auction/Wholesale vehicles.

    The overview

    Exterior Color
    Red Quartz Tintcoat
    Interior Color
    Dark Walnut/Slate
    Odometer
    91,000 miles
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    EcoTec3 5.3L V8
    VIN
    3GTU9DEDXLG251831
    Stock Number
    D26SL044A

      The highlights

      • Leather upholstery
      • Automatic temperature control
      • Premium audio system
      • Wireless phone connectivity
      • Front dual zone A/C
      • Auto-dimming rearview mirror
      • Split folding rear seat
      • Memory seat
      • Heated front seats
      • Perimeter/approach lights
      • Remote keyless entry
      • Heated steering wheel

      A closer look at what’s included

      Included Options
      • Preferred Equipment Group 4SA
      • 3.23 Rear Axle Ratio
      • Heavy-Duty Rear Locking Differential
      • Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
      • 20" x 9" Polished Aluminum Wheels
      • Front 40/20/40 Split-Bench Seat
      • Front Bucket Seats
      • Perforated Leather-Appointed Front Seat Trim
      • 10-Way Power Driver Seat Adjuster w/Lumbar
      • Heavy Duty Suspension
      • Off-Road Suspension
      • Radio: Premium GMC Infotainment Sys w/Multi-Touch
      • Radio: Premium GMC Infotainment Sys w/Navigation
      • SLT Convenience Package
      • SLT Preferred Package
      • SLT Premium Plus Package
      • Driver Alert Package I
      • Driver Alert Package II
      • Electric Rear-Window Defogger
      • Color-Keyed Carpeting Floor Covering
      • 120-Volt Instrument Panel Power Outlet
      • Power Sunroof
      • Spray-On Pickup Bed Liner w/GMC Logo
      • Chrome Wheel To Wheel Assist Steps
      • Deep-Tinted Glass
      • LED Cargo Area Lighting
      • X31 Off-Road Package
      • Trailering Package
      • Trailer Tire Pressure Monitor System
      • High-Capacity Air Filter
      • Integrated Trailer Brake Controller
      • Skid Plates
      • OnStar & GMC Connected Services Capable
      • Driver Memory
      • Power Sliding Rear Window w/Rear Defogger
      • 10-Way Power Passenger Seat Adjuster w/Lumbar
      • GMC Connected Access Capable
      • Power Front Passenger Windows w/Express Up/Down
      • Power Rear Windows w/Express Down
      • Keyless Open & Start
      • Power Door Locks
      • Power Front Windows w/Driver Express Up/Down
      • Rear Wheelhouse Liners
      • Remote Vehicle Starter System
      • Hitch Guidance
      • Floor-Mounted Center Console
      • Chrome Grille
      • Safety Alert Seat
      • Hill Descent Control
      • Wireless Charging
      • Heated Driver & Front Outboard Passenger Seating
      • Heated 2nd Row Outboard Seats
      • 120-Volt Bed Mounted Power Outlet
      • Auxiliary External Transmission Oil Cooler
      • 12-Volt Rear Auxiliary Power Outlet
      • Ventilated Driver & Front Passenger Seats
      • Adaptive Cruise Control - Camera
      • 170 Amp Alternator
      • 2 USB Ports
      • 2 USB Ports (1st Row)
      • Electrical Lock Control Steering Column
      • Dual Exhaust w/Premium Tips
      • Manual Tilt-Wheel & Telescoping Steering Column
      • Single Speed Transfer Case
      • 2-Speed Transfer Case
      • Perimeter Lighting
      • ProGrade Trailering System
      • Hitch Guidance w/Hitch View
      • IntelliBeam Automatic High Beam On/Off
      • In-Vehicle Trailering App
      • SiriusXM w/360L
      • HD Radio
      • Ultrasonic Front & Rear Park Assist
      • Following Distance Indicator
      • Forward Collision Alert
      • Rear Cross Traffic Alert
      • Universal Home Remote
      • Lane Keep Assist w/Lane Departure Warning
      • Automatic Emergency Braking
      • Steering Wheel Audio Controls
      • Lane Change Alert w/Side Blind Zone Alert
      • Front Pedestrian Braking
      • Premium Bose 7-Speaker Sound System
      • 6-Speaker Audio System Feature
      • Rear Dual USB Charging-Only Ports
      • Theft Deterrent System (Unauthorized Entry)
      • Front Frame-Mounted Black Recovery Hooks
      • 4G LTE Wi-Fi Hotspot Capable
      • X31 Hard Badge
      • 4-Wheel Disc Brakes
      • Apple CarPlay/Android Auto
      • AM/FM radio: SiriusXM with 360L
      • Premium audio system: GMC Infotainment System
      • Front Center Armrest w/Storage
      • Compass
      • Auto-dimming Rear-View mirror
      • Variably intermittent wipers
      • Trip computer
      • Traction control
      • Tilt steering wheel
      • Telescoping steering wheel
      • Steering wheel mounted audio controls
      • Split folding rear seat
      • Speed-sensing steering
      • Speed control
      • Security system
      • Remote keyless entry
      • Rear window defroster
      • Rear step bumper
      • Rear seat center armrest
      • Rear reading lights
      • Radio data system
      • Power windows
      • Power steering
      • Power passenger seat
      • Power driver seat
      • Power door mirrors
      • Passenger vanity mirror
      • Passenger door bin
      • Panic alarm
      • Overhead console
      • Overhead airbag
      • Outside temperature display
      • Occupant sensing airbag
      • Memory seat
      • Low tire pressure warning
      • Illuminated entry
      • Heated steering wheel
      • Heated front seats
      • Heated door mirrors
      • Fully automatic headlights
      • Front wheel independent suspension
      • Front reading lights
      • Front fog lights
      • Front dual zone A/C
      • Front anti-roll bar
      • Dual front side impact airbags
      • Dual front impact airbags
      • Driver vanity mirror
      • Driver door bin
      • Delay-off headlights
      • Bumpers: chrome
      • Brake assist
      • Automatic temperature control
      • Auto-dimming door mirrors
      • Alloy wheels
      • ABS brakes
      • Voltmeter
      • Tachometer
      • Electronic Stability Control
      • Air Conditioning
      • 6 Speakers
      • 1-touch down
      • 1-touch up
      • Air conditioning
      • Auto-dimming rearview mirror
      • Automatic temperature control
      • Driver door bin
      • Driver vanity mirror
      • Front beverage holders
      • Front dual zone A/C
      • Heated steering wheel
      • Illuminated entry
      • Memory seat
      • 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: keyfob
      • Remote keyless entry
      • Speed control
      • Telescoping steering wheel
      • Tilt steering wheel
      • Alloy wheels
      • Front anti-roll bar
      • Front wheel independent suspension
      • Power steering
      • Speed-sensing steering
      • 1st row LCD monitors: 2
      • AM/FM radio: SiriusXM with 360L
      • Premium audio system: Premium GMC Infotainment System
      • Primary LCD size: 8.0"
      • Radio data system
      • Smart device integration: Apple CarPlay/Android Auto
      • Steering wheel mounted audio controls
      • Wireless phone connectivity: Bluetooth
      • Heated front seats
      • Leather upholstery
      • 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
      • Cylinder deactivation
      • Drive type: four-wheel
      • Engine location: front
      • Fuel economy city: 16mpg
      • Fuel economy combined: 19mpg
      • Fuel economy fuel type: gasoline
      • Fuel economy highway: 22mpg
      • Fuel tank capacity: 24.0gal.
      • Hybrid traction battery type: none
      • Manual-shift auto
      • Mode select transmission
      • Rear locking differential
      • Transmission: 10 speed automatic
      • Variable valve control
      • Ground clearance (min): 205mm (8.1")
      • Auto-dimming door mirrors
      • Bumpers: chrome
      • Door mirrors: chrome
      • Heated door mirrors
      • Left rear passenger door: conventional
      • Power door mirrors
      • Rear cargo: tailgate
      • Rear step bumper
      • Right rear passenger: conventional
      • Trailer hitch receiver
      • Trailer sway control
      • Exterior body width: 2,063mm (81.2")
      • Exterior height: 1,918mm (75.5")
      • Exterior length: 5,885mm (231.7")
      • Front headroom: 1,093mm (43.0")
      • Front hiproom: 1,554mm (61.2")
      • Front legroom: 1,131mm (44.5")
      • Front shoulder room: 1,677mm (66.0")
      • Rear headroom: 1,019mm (40.1")
      • Rear hiproom: 1,530mm (60.2")
      • Rear legroom: 1,102mm (43.4")
      • Rear shoulder room: 1,655mm (65.2")
      • Wheelbase: 3,744mm (147.4")
      • Appearance: analog
      • Compass
      • Delay-off headlights
      • Front fog lights
      • Front reading lights
      • Fully automatic headlights
      • Low tire pressure warning
      • Oil pressure gauge
      • Outside temperature display
      • 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
      • Ignition disable
      • Occupant sensing airbag
      • Overhead airbag
      • Panic alarm
      • Perimeter/approach lights
      • Security system
      • Traction control
      2020 GMC Sierra 1500 SLT **Here at Long-Lewis we believe in being transparent. We have no Doc fees, or any other hidden fees. We are a one price store and give our best price up front and they are clearly marked on all our inventory.** Red Quartz Tintcoat 4WD 10-Speed Automatic EcoTec3 5.3L V8 10-Speed Automatic, 4WD, Dark Walnut/Slate Leather.

      Recent Arrival!

      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
        NO Dealer Fee. We do not charge license fees, processing fees, documentation (DOC) fees or destination charges saving you thousands. Simply add the applicable sales tax and a $16.50 title, if in State. Other States' titling may vary.