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2021 GMC Sierra 1500 AT4



  • $49,999 Drive Home Happy Price

  • Original Price $51,995
  • Dealer Discount $1,996

  • Drive Home Happy Price $49,999

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Vehicle Information

VIN: 3GTU9EETXMG396639
Stock #: U396639A
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Satin Steel Metallic
  • Interior Color Jet Black With Kalahari Accents, Perforated Leather Front Seat Trim
  • Mileage 24,633
  • Fuel Economy
    City/Highway 22/26 MPG
  • Engine 3.0L Duramax Turbo-Diesel I6 engine
  • Transmission Automatic / 4WD

Highlighted Features

Feature availability subject to final vehicle configuration.

Dealer Comments

Thornton Chevrolet is honored to present a wonderful example of pure vehicle design... this 2021 GMC Sierra 1500 AT4 only has 24,633mi on it and could potentially be the vehicle of your dreams! Quality and prestige abound with this GMC Sierra 1500 AT4. This 4WD-equipped vehicle will handle majestically on any terrain and in any weather condition your may find yourself in. The benefits of driving an Four Wheel Drive vehicle, such as this GMCSierra 1500 AT4, include superior acceleration, improved steering, and increased traction and stability. It's not a misprint. And the odometer isn't broken. This is a very low mileage GMC Sierra 1500. A rare find these days. The quintessential GMC -- This GMC Sierra 1500 AT4 speaks volumes about its owner, about uncompromising individuality, a passion for driving and standards far above the ordinary.

Eligible Benefits

All Features

  • Steering wheel audio controls
  • HD Radio (Standard on vehicles built before 7-12-2021. Certain vehicles built on or after 7-12-2021 will include (RG0) Not Equipped with HD Radio, which removes (U2L) HD Radio. See dealer for details.)
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Wireless Phone Projection, for Apple CarPlay and Android Auto
  • Bluetooth® for phone connectivity to vehicle infotainment system
  • Audio system feature, 6-speaker system
  • Audio system, Premium GMC Infotainment System with 8" diagonal color touch-screen, includes multi-touch display, AM/FM stereo Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (Note: (PZ8) Hitch Guidance with hitch view is included with trim. Includes SiriusXM with 360L.) (STD)
  • SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, 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.)
  • SiriusXM Radio
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Glass, deep-tinted
  • Door handles, body-color
  • Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
  • Taillamps, LED signature taillight with LED stop and reverse light
  • Wheelhouse liners, rear
  • Bumper, rear body-color with corner steps
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
  • Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Deleted with (PCP) AT4 CarbonPro Edition. Double Cab and Crew Cab models are available with Ship Thru codes (VBE), (VCO), (VDT), (VYC) or (VYS).)
  • Fog lamps, LED
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
  • CornerStep, rear bumper
  • Grille (Body-color surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)
  • Tailgate and bed rail protection caps, top
  • Bumper, front, body-color lower (Front bumper color will be high gloss black.)
  • Tire, spare 255/80R17SL all-season, blackwall
  • Wheels, 20" x 9" (50.8 cm x 22.9 cm) machined aluminum with Carbon Grey Metallic accents
  • Satin Steel Metallic
  • Tires, 275/60R20SL all-terrain, blackwall: (Includes (QAQ) spare tire.)
  • USB ports, 2 (first row) located on instrument panel
  • Driver Information Center, 4.2" diagonal color display includes driver personalization
  • Power outlet, rear auxiliary, 12-volt
  • Windows, power rear, express down
  • USB ports, dual, charge-only (2nd row)
  • Mirror, inside rearview auto-dimming
  • Seats, ventilated driver and front passenger
  • Defogger, rear-window electric
  • Premium Floor Liners with removable carpet insert, front
  • Steering column, lock control, electrical
  • Remote vehicle starter system
  • Steering column, manual Tilt-Wheel and telescoping
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Window, power front, passenger express up/down
  • Power outlet, front auxiliary, 12-volt
  • Brake lining wear indicator
  • 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)
  • Premium Floor Liners with removable carpet insert, rear
  • Floor covering, color-keyed carpeting
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Seats, front bucket with center console (STD)
  • Windows, power front, drivers express up/down
  • Compass, located in instrument cluster
  • Seat adjuster, driver 10-way power including lumbar
  • Door locks, power
  • Cruise control, steering wheel-mounted
  • Seat adjuster, passenger 10-way power including lumbar
  • Steering wheel, heated
  • Theft-deterrent system, unauthorized entry
  • Air conditioning, dual-zone automatic climate control
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Keyless Open and Start
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Exterior Temperature Display, located in radio display
  • Air vents, rear
  • Seating, heated driver and front outboard passenger
  • In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
  • Steering wheel, leather-wrapped
  • GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
  • Jet Black with Kalahari accents, Perforated leather front seat trim
  • Recovery hooks, Red
  • Hill Descent Control
  • Pickup bed
  • Skid Plates
  • Auto-locking rear differential
  • Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
  • Air filter, heavy-duty
  • Suspension, Off-Road with 2" factory installed lift and monotube shocks
  • Rear axle, 3.23 ratio
  • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
  • Exhaust, aluminized stainless-steel muffler and tailpipe
  • Capless Fuel Fill
  • Frame, fully-boxed, hydroformed front section
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Trailer brake controller, integrated
  • Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Four wheel drive
  • GVWR, 7100 lbs. (3221 kg)
  • Emissions, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • AT4 Preferred Equipment Group: includes standard equipment
  • Daytime Running Lamps, LED signature lighting
  • Hitch Guidance
  • Rear Seat Reminder
  • Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
  • 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 with Hitch View with image adjustment, Pan/Zoom/Tilt
  • OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Teen Driver 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
  • HD Rear Vision Camera
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 22 MPG
    • Hwy: 26 MPG
    • Combined: 24 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 24 gal
  • Fuel Type
    • Fuel Type: Diesel Fuel
  • Horse Power
    • Horse Power: 277
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 8800 lbs
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May not represent actual vehicle. (Options, colors, trim and body style may vary)