Home / Pre-Owned Inventory / Used / 2021 / GMC / Sierra 1500 / AT4 / 3GTU9EET7MG248027
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Used 2021 GMC Sierra 1500 AT4

VIN: 3GTU9EET7MG248027
Stock #: MG248027

108,503 mi.

Vehicle Details

MPG:22/26 (City/Hwy)
Trans.:10-Speed Automatic
Drivetrain:Four Wheel Drive
Engine: 3.0L I6
Fuel Type:Diesel
Ext. Color:Onyx Black
Int. Color:Jet Black With Kalahari Accents
Introducing the GMC Sierra 1500 Denali 4WD Crew Cab

Onyx Black | Jet Black w/ Kalahari Accents | 4WD | Denali Luxury

Premium power meets real truck capability in this GMC Sierra 1500 Denali Crew Cab 4WD, finished in bold Onyx Black with an upscale Jet Black interior featuring Kalahari accents. Denali is GMCs top-tier trim for a reasonrefined materials, a quiet cabin, and a confident presence that feels right at home on the jobsite or at the steakhouse.

With a spacious Crew Cab, true 4WD, and a luxury-focused interior, this Sierra Denali delivers the best of both worlds: comfort youll appreciate every day and capability when its time to work.

ENTERTAINMENT & CONNECTIVITY

GMC Premium Infotainment System with touchscreen display

Apple CarPlay and Android Auto compatibility

Bluetooth® hands-free calling and audio streaming

USB charging and media ports

Premium audio capability (equipment dependent)

Navigation capability (equipment dependent)

Steering-wheel-mounted audio controls

SAFETY FEATURES

Rear Vision Camera

Electronic Stability Control

Traction Control

Advanced multistage airbag system

Lane Keep Assist with Lane Departure Warning (equipment dependent)

Forward Collision Alert (equipment dependent)

Blind Zone Alert (equipment dependent)

Front and Rear Park Assist (equipment dependent)

Tire Pressure Monitoring System

4-wheel ABS braking

DENALI STANDARD FEATURES

Signature Denali grille and premium exterior trim

Upscale leather-appointed interior with Kalahari accents

Heated and ventilated front seats (equipment dependent)

Power-adjustable front seats with memory (equipment dependent)

Dual-zone automatic climate control

Push-button start with remote keyless entry

Premium wheel package and refined ride quality

MECHANICAL FEATURES

Powerful GMC truck platform built for real-world capability

Automatic transmission

4-Wheel Drive for confident traction in changing conditions

Electric power steering

4-wheel disc brakes

Tow/haul capability (equipment dependent)

VEHICLE DETAILS

VIN: 3GTU9EET7MG248027

Stock #: MG248027

Odometer: 108,503 miles

Body Style: 4D Crew Cab

Drivetrain: 4WD

Why Shop Port Lavaca Auto Group

Transparent, customer-first buying experience

Honest, fair trade-in evaluations

No-pressure sales philosophy

Streamlined financing options tailored to real life

Trusted reputation built through integrity and community

Highly rated service department committed to long-term ownership

This Sierra Denali is for someone who wants full-size truck strength without giving up premium comfortOnyx Black, 4WD, and Denali class in One serious package.

Standard Features

  • AT4 Preferred Package
  • AT4 Value Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Preferred Equipment Group 4SB
  • Technology Package
  • Trailering Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • Premium audio system: GMC Infotainment System
  • Premium Bose 7-Speaker Sound System
  • Radio data system
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • SiriusXM w/360L
  • Steering Wheel Audio Controls
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Passenger Windows w/Express Up/Down
  • Power Front Windows w/Driver Express Up/Down
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Auto-Locking Rear Differential
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Off-Road Suspension
  • Speed-sensing steering
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Brake assist
  • Electronic Stability Control
  • Hill Descent Control
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Perimeter Lighting
  • Panic alarm
  • Security system
  • Theft Deterrent System (Unauthorized Entry)
  • Adaptive Cruise Control
  • Speed control
  • Auxiliary External Transmission Oil Cooler
  • Engine Block Heater
  • Heavy-Duty Air Filter
  • Auto-dimming door mirrors
  • Body-Color Surround Grille
  • Bumpers: body-color
  • Front License Plate Kit
  • Heated door mirrors
  • IntelliBeam Automatic High Beam On/Off
  • LED Cargo Area Lighting
  • Power door mirrors
  • ProGrade Trailering System
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 4.2″ Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • 8″ Driver Information Center
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • Bed View Camera
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front Prem Floor Liners w/Removable Carpet Insert
  • Front reading lights
  • GMC Connected Access Capable
  • HD Rear Vision Camera
  • HD Surround Vision w/2 Trailer View Camera Provisions
  • Heated steering wheel
  • Illuminated entry
  • Lane Change Alert w/Side Blind Zone Alert
  • Lane Keep Assist w/Lane Departure Warning
  • Multicolor 15″ Diagonal Head-Up Display
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Camera Mirror
  • Rear Cross Traffic Alert
  • Rear Dual USB Charging-Only Ports
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Rear Underseat Storage (LPO)
  • Safety Alert Seat
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter
  • Wireless Charging
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Front Bucket Seats
  • Front Center Armrest
  • Heated Driver & Front Outboard Passenger Seating
  • Heated front seats
  • Perforated Leather-Appointed Front Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver & Front Passenger Seats
  • Ventilated front seats
  • Passenger door bin
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering App
  • Integrated Trailer Brake Controller
  • Red Recovery Hooks
  • 18″ x 8.5″ Machined Aluminum Wheels
  • Alloy wheels
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Rear Defogger
  • Variably intermittent wipers
  • 3.23 Rear Axle Ratio

Vehicle Location

Port Lavaca Ford
1801 Highway 35 South Port Lavaca,
TX 77979-5110

VEHICLE DATA
Certain specifications, prices and equipment data have been provided under license from Chrome Data Solutions (\’Chrome Data\’). © 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. 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.

Manufacturer’s Rebate subject to residency restrictions. Any customer not meeting the residency restrictions will receive a dealer discount in the same amount of the manufacturer’s rebate.

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