2021 GMC Sierra 1500 AT4

  • Used
$42,708Vehicle Price
$42,830AutoNation 1Price
Mercedes-Benz of South Bay
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    Jet Black
    Odometer
    36,377 miles
    Body/Seating
    Truck Crew Cab/5 seats
    Seats
    5 seats
    Fuel Economy
    15/19 MPG City/Hwy
    Transmission
    10-Speed A/T
    Drivetrain
    4x4
    Engine
    V-8 cyl
    VIN
    3GTP9EELXMG114061
    Stock Number
    MG114061
    • CARFAX 1-Owner Fair Value Badge

    The highlights

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Premium audio system
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C

    A closer look at what’s included

    AT4 Premium Package

    • AT4 Preferred Package
    • Tires: LT275/65R18C MT BW
      Goodyear Wrangler DuraTrac.
    • Driver Alert Package I
    • AT4 High Clearance Step
      Dealer installed.

    Engine: 6.2L EcoTec3 V8

    • 2-Speed Transfer Case
      Electronic Autotrac with push button control.

    Technology Package

    • HD Surround Vision w/2 Trailer View Camera Provisions
      Provides the driver with an overhead view of the scene around the vehicle on a center stack display.
    • Rear Camera Mirror
      Inside rearview auto-dimming with full camera display.
    • Bed View Camera
      Camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen. Includes 2 trailer camera provisions.
    • Multicolor 15" Diagonal Head-Up Display

    AT4 Preferred Package

    • Universal Home Remote
    • Power Sliding Rear Window w/Rear Defogger
    • Radio: Premium GMC Infotainment Sys w/Navigation
      Includes 8" diagonal color touch-screen, 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 and greater memory.
    • Premium Bose 7-Speaker Sound System
      Includes Richbass woofer.

    Driver Alert Package I

    • Ultrasonic Front & Rear Park Assist
    • Lane Change Alert w/Side Blind Zone Alert
    • Rear Cross Traffic Alert
    • Perimeter Lighting

    Tires: 275/60R20SL AT BW

    • 255/80R17SL AS BW Spare Tire

    Radio: Premium GMC Infotainment Sys w/Navigation

    • SiriusXM w/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.

    Front Bucket Seats

    • 10-Way Power Driver Seat Adjuster w/Lumbar
    • 10-Way Power Passenger Seat Adjuster w/Lumbar
    • Driver Memory
      Recalls driver presets for power driver seat and outside mirrors.

    Front Prem Floor Liners w/Removable Carpet Insert

    • Rear Prem Floor Liners w/Removable Carpet Insert

    120-Volt Instrument Panel Power Outlet

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

    Radio: Premium GMC Infotainment Sys w/Multi-Touch

    • 6-Speaker Audio System Feature
    • SiriusXM w/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.

    Preferred Equipment Group 4SB

    • Radio: Premium GMC Infotainment Sys w/Multi-Touch
      Includes 8" diagonal color touch-screen, 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.
    • Floor-Mounted Center Console
      Includes cup holders, cell phone storage, power cord management and hanging file holder capability.
    • Compass
      Located in instrument cluster.
    • 4.2" Diagonal Color Display Driver Info Center
      Includes driver personalization.

    Trailering Package

    • Hitch Guidance

    ProGrade Trailering System

    • Hitch Guidance w/Hitch View
      Includes image adjustment, pan/zoom/tilt.
    • In-Vehicle Trailering App
      Includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics.

    More pre-installed items

    • 3.23 Rear Axle Ratio
    • Safety Alert Seat
    • Heated 2nd Row Outboard Seats
    • Adaptive Cruise Control
    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Navigation system
    • 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
    • Wheel size: 20"
    • 1st row LCD monitors: 2
    • Premium audio system: Premium GMC Infotainment System
    • Primary LCD size: 8.0"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • 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: 15mpg
    • Fuel economy combined: 18mpg
    • Fuel economy highway: 19mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Recommended fuel: Premium Unleaded
    • Standard fuel economy fuel type: gasoline
    • Torque: 460 lb.-ft. @ 4,100RPM
    • Transmission: 10 speed automatic
    • 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: 3,901kg (8,600lbs)
    • Turning radius: 7.1m (23.5')
    • Wheelbase: 3,744mm (147.4")
    • Appearance: analog
    • Auto high-beam headlights
    • Blind spot: Lane Change Alert with Side Blind Zone Alert warning
    • Compass
    • Delay-off headlights
    • Exterior parking camera cargo
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Heads up display
    • 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
    • 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 Alert warning
    • Security system
    • Traction control
    • At4 Premium Package
    • Engine; 6.2L Ecotec3 V8
    • Technology Package
    • At4 Preferred Package
    • Driver Alert Package Ii
    • Lpo; At4 High Clearance Step
    • Sunroof; Power
    • Driver Alert Package I
    • Wheels; 20" X 9" (50.8 Cm X 22.9 Cm) Machined Aluminum With Carbon Grey Metallic Accents
    • Sun/Moonroof
    • Leather Seats
    • Onyx Black
    • Navigation System
    • Lane Keeping Assist
    • Keyless Start
    • Heads-Up Display
    • Cooled Front Seat(S)
    • Adaptive Cruise Control
    • At4 Preferred Equipment Group
    • Audio System; Premium Gmc Infotainment System With Navigation And 8" Diagonal Color Touch-Screen; Includes Multi-Touch Display; AM/FM Stereo
    • Automatic Emergency Braking
    • Bed View Camera
    • Bose Sound System; Premium 7-Speaker System
    • Driver Information Center; Enhanced; 8" Diagonal Multicolor Digital Display
    • Emissions; California State Requirements
    • Following Distance Indicator
    • Forward Collision Alert
    • Front And Rear Park Assist; Ultrasonic
    • Front Pedestrian Braking
    • Gvwr; 7000 Lbs. (3175 Kg)
    • Hd Surround Vision With Two Trailer View Camera Provisions
    • Intellibeam; Automatic High Beam On/Off
    • Jet Black With Kalahari Accents; Perforated Leather Front Seat Trim
    • Lane Change Alert
    • Lane Keep Assist
    • License Plate Kit; Front
    • Multicolor 15" Diagonal Head-Up Display
    • Rear Axle; 3.23 Ratio
    • Rear Camera Mirror; Inside Rearview Auto-Dimming
    • Rear Cross Traffic Alert
    • Safety Alert Seat
    • Seats; Front Bucket
    • Seats; Heated Second Row Outboard Seats
    • Tire; Spare 255/80R17Sl All-Season; Blackwall
    • Tires; 275/60R20Sl All-Terrain; Blackwall
    • Transmission; 10-Speed Automatic; Electronically Controlled
    • Universal Home Remote
    • Window; Power; Rear Sliding With Rear Defogger
    • Wireless Charging


    This vehicle includes a Money-Back Guarantee* and passed our precise inspection process. Best of all the price you see is the price you pay. No haggling. No back and forth. No pressure. And this price is so good it is guaranteed. *Money-Back Guarantee is valid for 5 days or 400 miles, whichever comes first. Subject to certain terms and conditions. See store for details. Some restrictions apply.

    This 2021 GMC Sierra 1500 AT4 is offered to you for sale by Mercedes-Benz of South Bay. This GMC includes: ENGINE, 6.2L ECOTEC3 V8 8 Cylinder Engine Gasoline Fuel *Note - For third party subscriptions or services, please contact the dealer for more information.* No matter the terrain or weather, you'll drive at ease in this 4WD-equipped vehicle. With exceptional safety features and superb handling, this 4WD was engineered with excellence in mind. 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.

    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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    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.…
    Base MSRP excludes transportation and handling charges, destination charges, taxes, title, registration, preparation and documentary fees, tags, labor and installation charges, insurance, and optional equipment, products, packages and accessories. Options, model availability and actual dealer price may vary. See dealer for details, costs and terms.

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