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Used 2021 GMCSierra 1500 AT4 Crew Cab Pickup

    Exterior Color
    Satin Steel Metallic
    Interior Color
    Jet Black With Kalahari Accents
    Odometer
    79,697 miles
    Body/Seating
    Crew Cab Pickup/5 seats
    Fuel Economy
    16/21 MPG City/Hwy
    Transmission
    10-Speed A/T
    Drivetrain
    Four Wheel Drive
    Engine
    3.0 Liter DOHC
    VIN
    3GTU9EET4MG106749
    Stock Number
    MG106749
    GMC Sierra 1500
    • CARFAX 1-Owner Good Value Badge

    Highlighted Features

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Premium audio system
    • Wireless phone connectivity
    • Parking sensors
    • Front dual zone A/C
    • Auto high-beam headlights
    • Auto-dimming rearview mirror
    • Split folding rear seat
    • Memory seat

    Included Packages & Accessories

    • GVWR: 7,100 lbs
    • Federal Emissions Requirements
    • 3.23 Rear Axle Ratio
    • Safety Alert Seat
    • Engine Block Heater
    • Heated 2nd Row Outboard Seats
    • Adaptive Cruise Control
    • Transmission: 10-Speed Automatic
    • IntelliBeam Automatic High Beam On/Off
    • Following Distance Indicator
    • Forward Collision Alert
    • Lane Keep Assist w/Lane Departure Warning
    • Automatic Emergency Braking
    • Front Pedestrian Braking
    • Front License Plate Kit
    • Preferred Equipment Group 4SB
    • Radio: Premium GMC Infotainment Sys w/Multi-Touch
    • 6-Speaker Audio System Feature
    • SiriusXM w/360L
    • Floor-Mounted Center Console
    • Compass
    • 4.2" Diagonal Color Display Driver Info Center
    • Electric Rear-Window Defogger
    • Power Door Locks
    • Remote Vehicle Starter System
    • Keyless Open & Start
    • Color-Keyed Carpeting Floor Covering
    • Front Prem Floor Liners w/Removable Carpet Insert
    • Rear Prem Floor Liners w/Removable Carpet Insert
    • OnStar & GMC Connected Services Capable
    • 4G LTE Wi-Fi Hotspot Capable
    • GMC Connected Access Capable
    • 12-Volt Rear Auxiliary Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • 120-Volt Bed Mounted Power Outlet
    • 2 USB Ports
    • Rear Dual USB Charging-Only Ports
    • HD Rear Vision Camera
    • Heated Driver & Front Outboard Passenger Seating
    • Ventilated Driver & Front Passenger Seats
    • Steering Wheel Audio Controls
    • Manual Tilt-Wheel & Telescoping Steering Column
    • Electrical Lock Control Steering Column
    • Theft Deterrent System
    • Power Front Windows w/Driver Express Up/Down
    • Power Front Passenger Windows w/Express Up/Down
    • Power Rear Windows w/Express Down
    • Spray-On Pickup Bed Liner w/AT4 Logo
    • Deep-Tinted Glass
    • Body-Color Surround Grille
    • LED Cargo Area Lighting
    • Red Recovery Hooks
    • Tires: 265/65R18SL AT BW
    • Wheels: 18" x 8.5" Machined Aluminum
    • Rear Wheelhouse Liners
    • Trailering Package
    • Hitch Guidance
    • ProGrade Trailering System
    • Hitch Guidance w/Hitch View
    • In-Vehicle Trailering App
    • 170 Amp Alternator
    • Heavy-Duty Air Filter
    • Auxiliary External Transmission Oil Cooler
    • Auto-Locking Rear Differential
    • Hill Descent Control
    • Skid Plates
    • Off-Road Suspension
    • Integrated Trailer Brake Controller
    • 2-Speed Transfer Case
    • Power Sliding Rear Window w/Rear Defogger
    • Front Bucket Seats
    • 10-Way Power Driver Seat Adjuster w/Lumbar
    • 10-Way Power Passenger Seat Adjuster w/Lumbar
    • Driver Memory
    • Radio: Premium GMC Infotainment Sys w/Navigation
    • Wireless Charging
    • AT4 Premium Package
    • AT4 Preferred Package
    • Universal Home Remote
    • Premium Bose 7-Speaker Sound System
    • Tires: LT275/65R18C MT BW
    • Driver Alert Package I
    • Ultrasonic Front & Rear Park Assist
    • Lane Change Alert w/Side Blind Zone Alert
    • Rear Cross Traffic Alert
    • Perimeter Lighting
    • AT4 High Clearance Step

    Included Packages & Options

    • AT4 Premium Package$3,700
      • AT4 Preferred Package
      • Tires: LT275/65R18C MT BW
      • Driver Alert Package I
      • AT4 High Clearance Step
    • AT4 Preferred Package$1,420
      • Universal Home Remote
      • Power Sliding Rear Window w/Rear Defogger
      • Radio: Premium GMC Infotainment Sys w/Navigation
      • Premium Bose 7-Speaker Sound System
      • Wireless Charging
    • Driver Alert Package I$890
      • Ultrasonic Front & Rear Park Assist
      • Lane Change Alert w/Side Blind Zone Alert
      • Rear Cross Traffic Alert
      • Perimeter Lighting
    • Preferred Equipment Group 4SB
      • Radio: Premium GMC Infotainment Sys w/Multi-Touch
      • Floor-Mounted Center Console
      • Compass
      • 4.2" Diagonal Color Display Driver Info Center
      • Electric Rear-Window Defogger
      • Power Door Locks
      • Remote Vehicle Starter System
      • Keyless Open & Start
      • Color-Keyed Carpeting Floor Covering
      • Front Prem Floor Liners w/Removable Carpet Insert
      • OnStar & GMC Connected Services Capable
      • 4G LTE Wi-Fi Hotspot Capable
      • GMC Connected Access Capable
      • 12-Volt Rear Auxiliary Power Outlet
      • 120-Volt Instrument Panel Power Outlet
      • 2 USB Ports
      • Rear Dual USB Charging-Only Ports
      • HD Rear Vision Camera
      • Heated Driver & Front Outboard Passenger Seating
      • Ventilated Driver & Front Passenger Seats
      • Steering Wheel Audio Controls
      • Manual Tilt-Wheel & Telescoping Steering Column
      • Electrical Lock Control Steering Column
      • Theft Deterrent System
      • Power Front Windows w/Driver Express Up/Down
      • Power Front Passenger Windows w/Express Up/Down
      • Power Rear Windows w/Express Down
      • Spray-On Pickup Bed Liner w/AT4 Logo
      • Deep-Tinted Glass
      • Body-Color Surround Grille
      • LED Cargo Area Lighting
      • Red Recovery Hooks
      • Tires: 265/65R18SL AT BW
      • Wheels: 18" x 8.5" Machined Aluminum
      • Rear Wheelhouse Liners
      • Trailering Package
      • ProGrade Trailering System
      • 170 Amp Alternator
      • Heavy-Duty Air Filter
      • Auxiliary External Transmission Oil Cooler
      • Auto-Locking Rear Differential
      • Hill Descent Control
      • Skid Plates
      • Off-Road Suspension
      • Integrated Trailer Brake Controller
      • 2-Speed Transfer Case
    • Radio: Premium GMC Infotainment Sys w/Navigation
      • SiriusXM w/360L
    • Front Bucket Seats
      • 10-Way Power Driver Seat Adjuster w/Lumbar
      • 10-Way Power Passenger Seat Adjuster w/Lumbar
      • Driver Memory
    • 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
    • Radio: Premium GMC Infotainment Sys w/Multi-Touch
      • 6-Speaker Audio System Feature
      • SiriusXM w/360L
    • Trailering Package
      • Hitch Guidance
    • ProGrade Trailering System
      • Hitch Guidance w/Hitch View
      • In-Vehicle Trailering App
    Included Options
    • GVWR: 7,100 lbs
    • Federal Emissions Requirements
    • 3.23 Rear Axle Ratio
    • Safety Alert Seat
    • Engine Block Heater$100
    • Heated 2nd Row Outboard Seats
    • Adaptive Cruise Control
    • Transmission: 10-Speed Automatic
    • IntelliBeam Automatic High Beam On/Off
    • Following Distance Indicator
    • Forward Collision Alert
    • Lane Keep Assist w/Lane Departure Warning
    • Automatic Emergency Braking
    • Front Pedestrian Braking
    • Front License Plate Kit

    Standard Specifications

    • 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
    • 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
    • Block heater
    • Cylinder deactivation
    • Drive type: four-wheel
    • Engine location: front
    • Fuel economy city: 16mpg
    • Fuel economy combined: 18mpg
    • Fuel economy highway: 21mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Standard fuel economy fuel type: gasoline
    • 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
    • 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")
    • GVWR: 3,221kg (7,100lbs)
    • 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
    • Auto high-beam headlights
    • Blind spot: Lane Change Alert with Side Blind Zone Alert warning
    • Compass
    • Delay-off headlights
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • 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

    Standard Features

    • AT4 Preferred Package
    • Tires: LT275/65R18C MT BW
    • Driver Alert Package I
    • AT4 High Clearance Step
    • Universal Home Remote
    • Power Sliding Rear Window w/Rear Defogger
    • Radio: Premium GMC Infotainment Sys w/Navigation
    • Premium Bose 7-Speaker Sound System
    • Wireless Charging
    • Ultrasonic Front & Rear Park Assist
    • Lane Change Alert w/Side Blind Zone Alert
    • Rear Cross Traffic Alert
    • Perimeter Lighting
    • Radio: Premium GMC Infotainment Sys w/Multi-Touch
    • Floor-Mounted Center Console
    • Compass
    • 4.2" Diagonal Color Display Driver Info Center
    • Electric Rear-Window Defogger
    • Power Door Locks
    • Remote Vehicle Starter System
    • Keyless Open & Start
    • Color-Keyed Carpeting Floor Covering
    • Front Prem Floor Liners w/Removable Carpet Insert
    • OnStar & GMC Connected Services Capable
    • 4G LTE Wi-Fi Hotspot Capable
    • GMC Connected Access Capable
    • 12-Volt Rear Auxiliary Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • 2 USB Ports
    • Rear Dual USB Charging-Only Ports
    • HD Rear Vision Camera
    • Heated Driver & Front Outboard Passenger Seating
    • Ventilated Driver & Front Passenger Seats
    • Steering Wheel Audio Controls
    • Manual Tilt-Wheel & Telescoping Steering Column
    • Electrical Lock Control Steering Column
    • Theft Deterrent System
    • Power Front Windows w/Driver Express Up/Down
    • Power Front Passenger Windows w/Express Up/Down
    • Power Rear Windows w/Express Down
    • Spray-On Pickup Bed Liner w/AT4 Logo
    • Deep-Tinted Glass
    • Body-Color Surround Grille
    • LED Cargo Area Lighting
    • Red Recovery Hooks
    • Tires: 265/65R18SL AT BW
    • Wheels: 18" x 8.5" Machined Aluminum
    • Rear Wheelhouse Liners
    • Trailering Package
    • ProGrade Trailering System
    • 170 Amp Alternator
    • Heavy-Duty Air Filter
    • Auxiliary External Transmission Oil Cooler
    • Auto-Locking Rear Differential
    • Hill Descent Control
    • Skid Plates
    • Off-Road Suspension
    • Integrated Trailer Brake Controller
    • 2-Speed Transfer Case
    • SiriusXM w/360L
    • 10-Way Power Driver Seat Adjuster w/Lumbar
    • 10-Way Power Passenger Seat Adjuster w/Lumbar
    • Driver Memory
    • Rear Prem Floor Liners w/Removable Carpet Insert
    • 120-Volt Bed Mounted Power Outlet
    • 6-Speaker Audio System Feature
    • SiriusXM w/360L
    • Hitch Guidance
    • Hitch Guidance w/Hitch View
    • In-Vehicle Trailering App

    Dealer Notes

    • At4 Premium Package
    • At4 Preferred Package
    • Driver Alert Package Ii
    • Lpo; At4 High Clearance Step
    • Engine; Duramax 3.0L Turbo-Diesel I6
    • Sunroof; Power
    • Driver Alert Package I
    • Sun/Moonroof
    • Leather Seats
    • Satin Steel Metallic
    • Navigation System
    • Tires; Lt275/65R18C Mt Blackwall Goodyear Wrangler Duratrac
    • Engine Block Heater
    • Lane Keeping Assist
    • Keyless Start
    • Cooled Front Seat(S)
    • Adaptive Cruise Control
    • Alternator; 220 Amps
    • 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
    • Bose Sound System; Premium 7-Speaker System
    • Emissions; Federal Requirements
    • Following Distance Indicator
    • Forward Collision Alert
    • Front And Rear Park Assist; Ultrasonic
    • Front Pedestrian Braking
    • Gvwr; 7100 Lbs. (3221 Kg)
    • 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
    • Rear Axle; 3.23 Ratio
    • Rear Cross Traffic Alert
    • Safety Alert Seat
    • Seats; Front Bucket
    • Seats; Heated Second Row Outboard Seats
    • Tire; Spare 265/70R17Sl All-Season; Blackwall
    • Transmission; 10-Speed Automatic; Electronically Controlled
    • Universal Home Remote
    • Wheels; 18" X 8.5" (45.7 Cm X 21.6 Cm) Machined Aluminum
    • 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 250 miles, whichever comes first. Subject to certain terms and conditions. See store for details. Some restrictions apply.

    2021 GMC Sierra 1500 AT4 4x4 Duramax Diesel, One-Owner, Colorado Truck This 2021 GMC Sierra 1500 AT4 4x4 is a premium off-road truck combining Duramax diesel efficiency with rugged AT4 capability and refined comfort . With 79,697 miles , this Sierra stands out as a clean, one-owner Colorado truck with excellent history and strong maintenance . Powered by the highly desirable 3.0L Duramax turbo-diesel inline-6 paired with 4x4 , this Sierra delivers impressive torque, towing capability, and fuel efficiency in a full-size truck platform . [1CARFAX Ve...T4MG106749 | PDF] Vehicle Highlights 79,697 miles 3.0L Duramax Turbo-Diesel I6 [1CARFAX Ve...T4MG106749 | PDF] 4x4 drivetrain [1CARFAX Ve...T4MG106749 | PDF] AT4 off-road trim package CARFAX 1-owner vehicle [1CARFAX Ve...T4MG106749 | PDF] Colorado-owned since new [1CARFAX Ve...T4MG106749 | PDF] Performance & Capability Efficient and torque-rich Duramax diesel engine Excellent towing and highway driving capability Smooth, confident 4x4 performance for all seasons Ideal for towing, commuting, and mountain driving Strong fuel economy compared to gas V8 competitors AT4 Off-Road Capability Factory AT4 off-road suspension and tuning Skid plates and off-road protection Enhanced traction systems for snow, dirt, and trails Raised ride height and aggressive stance Interior & Comfort Premium AT4 interior with refined materials Spacious Crew Cab configuration Dual-zone climate control Power-adjustable seating and modern cabin layout Quiet, comfortable ride for long-distance driving Technology & Features GMC infotainment system with touchscreen display Apple CarPlay & Android Auto compatibility Bluetooth connectivity Backup camera and driver assistance features OnStar capability with connected services [1CARFAX Ve...T4MG106749 | PDF] - Service & Condition Highlights Recently serviced at AutoNation Buick GMC (Feb 2026) including: Battery replacement Brake inspection Full system check [1CARFAX Ve...T4MG106749 | PDF] Emissions inspection completed Regular ownership history and consistent use Dealer inspected and ready for delivery Ownership & Vehicle History 1-owner personal vehicle [1CARFAX Ve...T4MG106749 | PDF] Colorado-owned since new [1CARFAX Ve...T4MG106749 | PDF] Clean CARFAX no accidents or damage reported [1CARFAX Ve...T4MG106749 | PDF] No structural damage or airbag deployment No open recalls reported [1CARFAX Ve...T4MG106749 | PDF] Clean title - Why This Sierra AT4 Stands Out Desirable Duramax diesel + AT4 combination One-owner, clean Colorado history Strong mix of off-road capability and daily comfort Proven reliability with recent service Excellent value compared to newer diesel trucks This 2021 GMC Sierra 1500 AT4 Duramax 4x4 delivers premium off-road capability, diesel efficiency, and everyday usability available now at AutoNation Chrysler Dodge Jeep Ram Arapahoe .

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall0.0Out of 5
      Privacy
      Vehicle Price
      $37,950
      Dealer Delivery and Handling Fee
      $799
      AutoNation 1Price
      $38,749

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      10743 E Arapahoe Rd
      Directions Centennial, CO 80112-3809

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        * MSRP is the Manufacturer's Suggested Retail Price (MSRP) of the vehicle. It does not include any taxes, fees or other charges. Pricing and availability may vary based on a variety of factors, including options, dealer, specials, fees, and financing qualifications. Consult your dealer for actual price and complete details. Vehicles shown may have optional equipment at additional cost. * Pricing provided may vary significantly between website and dealer as a result of supply chain constraints. Pricing shown is non-binding and does not constitute an offer. Contact your dealer for updated vehicle pricing. * The estimated selling price that appears after calculating dealer offers is for informational purposes, only. You may not qualify for the offers, incentives, discounts, or financing. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details. * Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness. * In transit means that vehicles have been built, but have not yet arrived at your dealer. Images shown may not necessarily represent identical vehicles in transit to your dealership. See your dealer for actual price, payments and complete details.

        Accessories and color may vary. Quoted price subject to change without notice to correct errors or omissions. New vehicle pricing may already include applicable manufacturer incentives which may expire at any time.  Manufacturer incentive data and vehicle features is provided by third parties and believed to be accurate as of the time of publication. Please contact the store by email or phone for details and availability of incentives. Dealer delivery and handling fee of $799 included in quoted price. Sales tax or other taxes, tag, registration fees, and government fees are not included in quoted price. 

         

        Certain data and other content displayed herein is copyrighted by AutoNation, Inc. and / or third parties. (In addition, providers of data and other materials to AutoNation, Inc. or such third parties may have a copyright interest in and to such data to the extent that such data and other materials are subject to copyright protection under applicable United States laws.) Such data may not be reproduced or distributed in whole or in part by any printed, electronic or other means without explicit written permission from AutoNation, Inc. All information is gathered from sources that are believed to be reliable, but no assurance can be given that this information is complete and neither AutoNation, Inc. nor its suppliers assume any responsibility for errors or omissions or warrant the accuracy of this information.

        Displayed MPG is based on applicable EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.