2020 GMC Sierra 1500 SLT Truck 8 Cylinder Engine

  • Used

    The overview

    Exterior Color
    Dark Sky Metallic
    Interior Color
    Dark Walnut/Slate
    Odometer
    157,706 miles
    Fuel Economy
    17/23 MPG City/Hwy
    Transmission
    8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED
    Drivetrain
    Rear Wheel Drive
    Engine
    8 Cylinder Engine
    VIN
    3GTP8DED5LG434005
    Stock Number
    XNT068103A
    • Show Me the CARFAX 1-Owner Badge

    A closer look at what’s included

    Included Options
    • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
    • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
    • Engine, 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency
    • Rear axle, 3.23 ratio (Not available with (NHT) Max Trailering Package.)
    • Pickup bed
    • GVWR, 6900 lbs. (3130 kg) (Requires Double Cab 2WD model with (LM2) Duramax 3.0L Turbo-Diesel I6 engine or Crew Cab 2WD model with (L84) 5.3L EcoTec3 V8 engine without (NHT) Max Trailering Package.)
    • Automatic Stop/Start
    • Differential, heavy-duty locking rear
    • Rear wheel drive
    • Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
    • Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
    • Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (NHT) Max Trailering Package, (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (VYU) Snow Plow Prep Package.)
    • Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine, (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
    • Frame, fully-boxed, hydroformed front section
    • Trailer brake controller, integrated
    • Cargo tie downs (12), fixed, rated at 500 lbs per corner
    • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
    • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
    • Capless Fuel Fill
    • Exhaust, single outlet
    • Exhaust, aluminized stainless-steel muffler and tailpipe
    • Wheel, 17 x 8 (43.2 cm x 20.3 cm) full-size, steel spare
    • Wheelhouse liners, rear
    • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
    • Bumper, front chrome lower
    • Bumper, rear chrome with bumper CornerSteps
    • CornerStep, rear bumper
    • Moldings, window surround, Chrome
    • Grille (Chrome surround with high gloss Black mesh and Chrome inserts.)
    • Fog lamps, LED
    • Taillamps, LED signature taillight with LED stop and reverse light
    • Mirror caps, chrome
    • Glass, deep-tinted
    • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel.
    • LED Cargo Area Lighting located in cargo box activated with switch on center switch bank or key fob
    • Tailgate, GMC MultiPro Tailgate with six functional load/access features
    • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
    • Tailgate and bed rail protection caps, top
    • Door handles, chrome
    • Radio, HD
    • Audio system feature, 6-speaker system
    • Steering wheel audio controls
    • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
    • Seat adjuster, driver 10-way power including lumbar
    • Seat adjuster, passenger 10-way power including lumbar
    • Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
    • Floor covering, color-keyed carpeting
    • Steering column, manual Tilt-Wheel and telescoping
    • Steering wheel, leather-wrapped
    • Steering wheel, heated
    • Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
    • Driver Information Center, 4.2 diagonal color display includes driver personalization
    • In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
    • Compass, located in instrument cluster
    • Exterior Temperature Display, located in radio display
    • Brake lining wear indicator
    • Remote vehicle starter system
    • Theft-deterrent system, unauthorized entry
    • Steering column, lock control, electrical
    • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
    • USB ports, dual, charge-only (2nd row)
    • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
    • Air conditioning, dual-zone automatic climate control
    • Air vents, rear
    • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
    • GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
    • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
    • Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
    • Hitch Guidance
    • Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
    • Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
    • Rear seat reminder
    • **1 OWNER**
    • 1st and 2nd row curtain head airbags
    • 4-wheel ABS Brakes
    • ABS and Driveline Traction Control
    • Anti-theft alarm system
    • Audio System Premium Brand: GMC Infotainment System
    • Audio controls on steering wheel
    • Automatic front air conditioning
    • Auxiliary Engine Cooler : Yes
    • Auxiliary Transmission Cooler : Yes
    • Bluetooth wireless phone connectivity
    • Braking Assist
    • Climate Controlled : Driver and passenger heated
    • Compass
    • Cruise control
    • Cruise controls on steering wheel
    • Daytime running lights
    • Driver seat memory
    • Driver's side electrochromatic auto-dimming mirrors
    • Dual front air conditioning zones
    • Dual illuminated vanity mirrors
    • Dual reverse tilt mirrors
    • Electrochromatic rearview mirror
    • External temperature display
    • Fold-up cushion rear seats
    • Front Ventilated disc brakes
    • Front and rear reading lights
    • Front fog/driving lights
    • Front split-bench
    • Fuel Consumption: City: 17 mpg
    • Fuel Consumption: Highway: 24 mpg
    • Heated driver mirror
    • Heated passenger mirror
    • Heated steering wheel
    • Leather seat upholstery
    • Leather steering wheel trim
    • Machined aluminum rims w/ painted accents
    • Memorized Settings for 2 drivers
    • Memorized Settings including door mirror(s)
    • Metal-look dash trim
    • Passenger Airbag
    • Power remote w/tilt down driver mirror adjustment
    • Power remote w/tilt down passenger mirror adjustment
    • Power retractable mirrors
    • Power windows
    • Premium GMC Infotainment System
    • Privacy glass: Deep
    • Radio Data System
    • Rear seats center armrest
    • Remote Engine Start : Keyfob remote start
    • Remote activated exterior entry lights
    • Remote power door locks
    • Side airbag
    • Simulated wood/metal-look door trim
    • SiriusXM with 360L AM/FM/HD/Satellite
    • SiriusXM with 360L Satellite Radio
    • Speed-proportional electric power steering
    • Split rear bench
    • Stability controll with anti-roll
    • Suspension class: Regular
    • Tachometer
    • Tilt and telescopic steering wheel
    • Tire Pressure Monitoring System: Tire specific
    • Total Number of Speakers: 6
    • Trailer hitch
    • Trip computer
    • Urethane shift knob trim
    • Video Monitor Location: Front
    • Wheel Diameter: 18
    • Wheel Width: 8.5
    This 2020 GMC Sierra 1500 SLT, has a Dark Sky Metallic exterior and Dark Walnut/Slate interior color with only 157,706 miles. Stock Number XNT068103A. You can connect
    with us by calling 713-325-6102.

    **1 OWNER**

    One Owner! OTHER NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT:

    SLT Convenience Package

    • Power Sliding Rear Window with Rear Defogger
    • Front Bucket Seats
    • Floor-Mounted Center Console
    • Heated 2nd Row Outboard Seats
    • Ventilated Driver and Front Passenger Seats
    • 2 USB Ports
    • 2 USB Ports (1st Row)
    • Universal Home Remote

    Texas Edition SLT Premium Package ($3,060 value)

    • Chrome Wheel to Wheel Assist Steps
    • 20 X 9 Polished Aluminum Wheels
    • Texas Edition Badging

    Preferred Equipment Group 4SA

    • GMC Connected Access Capable
    • Power Front Passenger Windows with Express Up/down
    • Power Rear Windows with Express Down
    • Deep-Tinted Glass
    • Keyless Open and Start
    • Power Door Locks
    • Power Front Windows with Driver Express Up/down
    • Rear Wheelhouse Liners
    • Color-Keyed Carpeting Floor Covering
    • Remote Vehicle Starter System
    • Electric Rear-Window Defogger
    • Compass
    • Hitch Guidance
    • Heavy-Duty Rear Locking Differential
    • Chrome Grille
    • Premium GMC Infotainment System Radio with Multi-Touch
    • Integrated Trailer Brake Controller
    • Heated Driver and Front Outboard Passenger Seating
    • 120-Volt Instrument Panel Power Outlet
    • Auxiliary External Transmission Oil Cooler
    • 12-Volt Rear Auxiliary Power Outlet
    • 170 Amp Alternator
    • 5.3L EcoTec3 V8 Engine
    • Electrical Lock Control Steering Column
    • Manual Tilt-Wheel and Telescoping Steering Column
    • ProGrade Trailering System
    • HD Radio
    • OnStar and GMC Connected Services Capable
    • LED Cargo Area Lighting
    • Steering Wheel Audio Controls
    • Rear Dual USB Charging-Only Ports
    • Theft Deterrent System (unauthorized Entry)
    • 4G LTE Wi-Fi Hotspot Capable
    • Trailering Package




    Safety and Security

    • The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display.
    • The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display.
    • Brake assist senses panic braking from the speed of the brake pedal's travel and applies all available power brake boost.

    Technology and Telematics

    • Without the need for a manufacturer specific app to be installed on the smart device, the vehicle infotainment system can access and control functions of a smart device physically plugged-into the vehicle.
    • Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network.


    EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, 5.3L ECOTEC3 V8, TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED, GVWR, 6900 LBS. (3130 KG), REAR AXLE, 3.23 RATIO, WHEELS, 20 X 9 (50.8 CM X 22.9 CM) POLISHED ALUMINUM, TIRES, 275/60R20 ALL-SEASON, BLACKWALL, DARK SKY METALLIC, SEATS, FRONT BUCKET, DARK WALNUT/SLATE, PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8 DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO, TEXAS EDITION SLT PREMIUM PACKAGE, SLT CONVENIENCE PACKAGE, TIRE, SPARE 255/80R17SL ALL-SEASON, BLACKWALL, ASSIST STEPS, CHROME WHEEL TO WHEEL, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, LICENSE PLATE KIT, FRONT, SEATS, VENTILATED DRIVER AND FRONT PASSENGER, SEATS, HEATED SECOND ROW OUTBOARD SEATS, CENTER CONSOLE, FLOOR-MOUNTED, UNIVERSAL HOME REMOTE, USB PORTS, 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL, CUSTOMER DIALOGUE NETWORK
    At Mac Haik Ford Houston, we're here to Serve you! Our staff is 100% dedicated to customer satisfaction and we understand that you need clear, transparent information throughout the car buying process. With our live market pricing philosophy, we offer the right cars at the right price, and the transparency to back it up!

    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 CarFax report

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    Mac Haik Ford 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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    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.…