Used 2020 GMCSierra 1500 AT4

    Exterior Color
    Onyx Black
    Odometer
    80,087 miles
    Body/Seating
    Truck Crew Cab/5 seats
    Fuel Economy
    16/21 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    V-8 cyl
    VIN
    1GTP9EEL0LZ118750
    Stock Number
    71118750P
    GMC Sierra 1500
    • Show Me the CARFAX Badge

    Highlighted Features

    • 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
    • Ventilated front seats
    • Perimeter/approach lights
    • Remote keyless entry

    Included Packages & Accessories

    Detailed Specifications

    • 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
    • Tires: all-terrain
    • 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
    • Satellite radio trial duration with new vehicle purchase (months): 3
    • Smart device integration: Apple CarPlay/Android Auto
    • Steering wheel mounted audio controls
    • 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
    • Cylinder deactivation
    • Drive type: four-wheel
    • Engine location: front
    • Fuel economy city: 16mpg
    • Fuel economy combined: 18mpg
    • Fuel economy fuel type: gasoline
    • Fuel economy highway: 21mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Recommended fuel: Premium Unleaded
    • Torque: 460 lb.-ft. @ 4,100RPM
    • Variable valve control
    • Ground clearance (min): 276mm (10.9")
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Heated door mirrors
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Trailer hitch receiver
    • Trailer sway control
    • Engine displacement: 6.2 L
    • Engine torque: 460 lb.-ft. @ 4,100RPM
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,990mm (78.3")
    • 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")
    • Towing capacity: 3,992kg (8,800lbs)
    • 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

    Dealer Notes

    2020 GMC Sierra 1500 AT4 Crew Cab 4x4 6.2L V8, Off Road Capability, Premium Features!
    ** CLEAN CARFAX. NO ACCIDENTS!! **

    The 2020 GMC Sierra 1500 AT4 Crew Cab 4x4 delivers powerful V8 performance, premium interior comfort, and serious off road capability. Built for both work and adventure, the AT4 trim combines aggressive styling with advanced technology and towing capability, making it one of the most versatile full size trucks on the market.

    Finished in Onyx Black, this Sierra offers a bold and rugged appearance with premium design elements throughout.

    Powerful 6.2L V8 Performance with 4x4 Capability!
    Under the hood is the upgraded 6.2L V8 engine paired with a 10 speed automatic transmission, delivering exceptional horsepower, torque, and towing strength. The 4x4 system and locking rear differential provide traction and control in all conditions.

    Performance highlights:

    6.2L V8 Engine
    10 Speed Automatic Transmission
    Four Wheel Drive (4x4)
    Locking / Limited Slip Rear Differential
    Heavy Duty Trailering Equipment
    ProGrade Trailering System with Hitch Guidance

    Built for towing, hauling, and off road performance.

    AT4 Premium & Technology Packages
    This Sierra is well equipped with key factory packages:

    AT4 Premium Package
    All Terrain Tires
    Running Boards
    Off Road Enhancements

    Technology Package
    Head Up Display
    HD Surround Vision Camera System

    Driver Alert Package II
    Adaptive Cruise Control
    Lane Keep Assist & Lane Departure Warning
    Forward Collision Alert & Automatic Emergency Braking

    AT4 Preferred Package
    Navigation System
    Premium Sound System
    Universal Garage Door Opener
    Rear Sliding Window

    Exterior Features & Styling
    Aluminum Wheels
    Power Sunroof
    Running Boards
    Spray In Bedliner
    Fog Lamps
    Heated Power Folding Mirrors with Memory
    Tow Hooks

    A rugged exterior design with functional upgrades.

    Premium Interior with Comfort & Convenience
    Inside, the Sierra offers a refined and spacious cabin:

    Leather Seating Surfaces
    Heated Front Seats
    Power Driver & Passenger Seats with Memory
    Multi Zone Automatic Climate Control
    Power Sliding Rear Window
    Auto Dimming Rearview Mirror

    Comfortable, durable, and designed for everyday driving.

    Technology & Connectivity
    Infotainment System with Navigation
    Bluetooth® Hands Free Audio
    SiriusXM® with 360L
    Wi Fi Hotspot Capability
    HD Radio
    120V Power Outlet

    Advanced connectivity for work and entertainment.

    Safety & Driver Assistance
    Forward Collision Mitigation
    Lane Keep Assist
    Adaptive Cruise Control
    Automatic High Beams
    Stability & Traction Control
    Tire Pressure Monitoring System

    Built for safety and driver confidence.

    Additional Features
    Engine Block Heater
    Enhanced Digital Driver Display
    Trailer Hitch & Wiring Harness
    In Vehicle Trailering App

    Why Choose This 2020 GMC Sierra 1500 AT4?

    Upgraded 6.2L V8 engine
    AT4 off road capability and styling
    Loaded with technology and safety packages
    Premium interior with heated seating
    Strong towing and hauling capability
    Excellent all around full size truck


    Available Now Schedule Your Test Drive Today!

    If you’re searching for a 2020 GMC Sierra AT4 for sale, a fully loaded 4x4 truck, or a premium off road pickup with V8 power, this Sierra delivers performance, capability, and comfort.
    Call, click, or visit today to schedule your test drive.

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      Advertised price excludes tax, title, license, registration, and other government fees. Price excludes any optional products, services, or accessories. At Garber, we believe our customers deserve a straightforward, transparent buying experience. That means the price you see is the price you can expect, with no hidden fees or surprise charges at the time of purchase. We’re committed to providing a simpler, more honest way to do business. Although every reasonable effort has been made to ensure the accuracy of the information presented on this site, errors, omissions, and other inaccuracies may occur. There can be a lag time between the sale of a vehicle and the update of inventory on our website. Please verify all vehicle information and pricing with the dealership directly.

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