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Used 2021 GMC Sierra 1500 AT4

VIN: 3GTU9EET7MG135355
Stock #: MG135355

77,300 mi.

Vehicle Details

MPG:22/26 (City/Hwy)
Trans.:10-Speed Automatic
Engine:6 Cylinders
Drivetrain:Four Wheel Drive
Fuel Type:Diesel
Ext. Color:Onyx Black
Int. Color:Jet Black With Kalahari Accents

Description

Recent Arrival! CARFAX One-Owner. Clean CARFAX. AT4 Preferred Package (Power Sliding Rear Window w/Rear Defogger, Premium Bose 7-Speaker Sound System, Radio: Premium GMC Infotainment Sys w/Navigation, SiriusXM w/360L, Universal Home Remote, and Wireless Charging), AT4 Premium Package (AT4 High Clearance Step (LPO)), Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Perimeter Lighting, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), Driver Alert Package II (Adaptive Cruise Control, Automatic Emergency Braking, Following Distance Indicator, Forward Collision Alert, Front Pedestrian Braking, IntelliBeam Automatic High Beam On/Off, Lane Keep Assist w/Lane Departure Warning, and Safety Alert Seat), Preferred Equipment Group 4SB (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports, 2 USB Ports (1st Row), 4.2″ Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, Auto-Locking Rear Differential, Auxiliary External Transmission Oil Cooler, Body-Color Surround Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, GMC Connected Access Capable, HD Rear Vision Camera, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance w/Hitch View, In-Vehicle Trailering App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, OnStar & GMC Connected Services Capable, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, ProGrade Trailering System, Rear Dual USB Charging-Only Ports, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), and Ventilated Driver & Front Passenger Seats), Trailering Package (Hitch Guidance), 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 18″ x 8.5″ Machined Aluminum Wheels, 220 Amp Alternator, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, All-Weather Floor Liners w/AT4 Logo (LPO), Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: body-color, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated front seats, Heated steering wheel, Illuminated entry, Low tire pressure warning, Memory seat, Occupant sensing airbag, Off-Road Suspension, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Front Seat Trim, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Premium audio system: GMC Infotainment System, Radio data system, Radio: Premium GMC Infotainment Sys w/Multi-Touch, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, Speed control, Speed-sensing steering, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip c
  • ONYX BLACK
  • JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM
  • ENGINE, DURAMAX 3.0L TURBO-DIESEL I6

Standard Features

  • Preferred Equipment Group 4SB
  • 3.23 Rear Axle Ratio
  • Auto-Locking Rear Differential
  • 18″ x 8.5″ Machined Aluminum Wheels
  • Perforated Leather-Appointed Front Seat Trim
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • Off-Road Suspension
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • AT4 Preferred Package
  • AT4 Premium Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Color-Keyed Carpeting Floor Covering
  • Front Prem Floor Liners w/Removable Carpet Insert
  • All-Weather Floor Liners w/AT4 Logo (LPO)
  • OnStar & GMC Connected Services Capable
  • 120-Volt Instrument Panel Power Outlet
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • Front License Plate Kit
  • LED Cargo Area Lighting
  • AT4 High Clearance Step (LPO)
  • Trailering Package
  • Heavy-Duty Air Filter
  • Integrated Trailer Brake Controller
  • 220 Amp Alternator
  • Engine Block Heater
  • Electric Rear-Window Defogger
  • Deep-Tinted Glass
  • SiriusXM w/360L
  • Driver Memory
  • Power Sliding Rear Window w/Rear Defogger
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • GMC Connected Access Capable
  • Power Front Passenger Windows w/Express Up/Down
  • Power Rear Windows w/Express Down
  • Keyless Open & Start
  • Power Door Locks
  • Power Front Windows w/Driver Express Up/Down
  • Rear Wheelhouse Liners
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Remote Vehicle Starter System
  • Hitch Guidance
  • Floor-Mounted Center Console
  • Body-Color Surround Grille
  • Safety Alert Seat
  • Hill Descent Control
  • Wireless Charging
  • Heated Driver & Front Outboard Passenger Seating
  • 120-Volt Bed Mounted Power Outlet
  • Auxiliary External Transmission Oil Cooler
  • 12-Volt Rear Auxiliary Power Outlet
  • Ventilated Driver & Front Passenger Seats
  • Adaptive Cruise Control
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Perimeter Lighting
  • ProGrade Trailering System
  • Hitch Guidance w/Hitch View
  • IntelliBeam Automatic High Beam On/Off
  • In-Vehicle Trailering App
  • Ultrasonic Front & Rear Park Assist
  • 4.2″ Diagonal Color Display Driver Info Center
  • Following Distance Indicator
  • Forward Collision Alert
  • Rear Cross Traffic Alert
  • Universal Home Remote
  • Red Recovery Hooks
  • Lane Keep Assist w/Lane Departure Warning
  • Automatic Emergency Braking
  • Steering Wheel Audio Controls
  • Lane Change Alert w/Side Blind Zone Alert
  • Front Pedestrian Braking
  • Premium Bose 7-Speaker Sound System
  • 6-Speaker Audio System Feature
  • Rear Dual USB Charging-Only Ports
  • Theft Deterrent System (Unauthorized Entry)
  • HD Rear Vision Camera
  • 4G LTE Wi-Fi Hotspot Capable
  • 4-Wheel Disc Brakes
  • 6 Speakers
  • Air Conditioning
  • Electronic Stability Control
  • Front Bucket Seats
  • Front Center Armrest
  • Tachometer
  • Voltmeter
  • ABS brakes
  • Alloy wheels
  • Auto-dimming door mirrors
  • Automatic temperature control
  • Brake assist
  • Bumpers: body-color
  • Delay-off headlights
  • Driver door bin
  • Driver vanity mirror
  • Dual front impact airbags
  • Dual front side impact airbags
  • Front anti-roll bar
  • Front dual zone A/C
  • Front fog lights
  • Front reading lights
  • Front wheel independent suspension
  • Fully automatic headlights
  • Heated door mirrors
  • Heated front seats
  • Heated steering wheel
  • Illuminated entry
  • Low tire pressure warning
  • Memory seat
  • Occupant sensing airbag
  • Outside temperature display
  • Overhead airbag
  • Overhead console
  • Panic alarm
  • Passenger door bin
  • Passenger vanity mirror
  • Power door mirrors
  • Power driver seat
  • Power passenger seat
  • Power steering
  • Power windows
  • Radio data system
  • Rear reading lights
  • Rear seat center armrest
  • Rear step bumper
  • Rear window defroster
  • Remote keyless entry
  • Security system
  • Speed control
  • Speed-sensing steering
  • Split folding rear seat
  • Steering wheel mounted audio controls
  • Telescoping steering wheel
  • Tilt steering wheel
  • Traction control
  • Trip computer
  • Variably intermittent wipers
  • Ventilated front seats
  • Auto-dimming Rear-View mirror
  • Compass
  • Premium audio system: GMC Infotainment System
  • AM/FM radio: SiriusXM with 360L
  • Apple CarPlay/Android Auto

We will transfer this vehicle to our closest location near you for free!

Vehicle Location

Doggett Ford South Loop
3440 S Loop West
Houston, TX 77025

VEHICLE DATA
Certain specifications, prices and equipment data have been provided under license from Chrome Data Solutions (\’Chrome Data\’). Ā© 2025 Chrome Data Solutions, LP. All Rights Reserved. This information is supplied for personal use only and may not be used for any commercial purpose whatsoever without the express written consent of Chrome Data. Chrome Data makes no guarantee or warranty, either expressed or implied, including without limitation any warranty of merchantability or fitness for particular purpose, with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.

ESTIMATE MPG
EPA mileage ratings are supplied by Chrome Data Solutions, LP 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.

Based on 2019 EPA mileage ratings. Your MPGe/MPG and driving range will vary depending on driving conditions, how you drive and maintain your vehicle, battery-pack age/condition, and other factors.

PRICING
Vehicle pricing is believed to be accurate. Tax, title and registration are not included in prices shown unless otherwise stated. Manufacturer incentives may vary by region and are subject to change. Vehicle information & features are based upon standard equipment and may vary by vehicle. Some vehicles may have aftermarket additions or addendums not listed on the website. Monthly payments may be higher or lower based upon incentives, qualifying programs, credit qualifications, residency & fees. No claims, or warranties are made to guarantee the accuracy of vehicle pricing, payments or actual equipment. Call to confirm accuracy of any information.

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