Home / Pre-Owned Inventory / Used / 2021 / GMC / Sierra 1500 / SLT / 3GTU9DED7MG117683
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Used 2021 GMC Sierra 1500 SLT

VIN: 3GTU9DED7MG117683
Stock #: MG117683

73,887 mi.

Vehicle Details

MPG:16/22 (City/Hwy)
Trans.:10-Speed Automatic
Drivetrain:Four Wheel Drive
Engine: EcoTec3 5.3L V8
Fuel Type:Gasoline
Ext. Color:White Frost Tricoat
Int. Color:Jet Black
2021 GMC Sierra 1500 SLT in White Frost Tricoat with Jet Black Interior

This bold and refined 2021 GMC Sierra 1500 SLT delivers the perfect balance of rugged capability and upscale comfort. Powered by the EcoTec3 5.3L V8 engine paired with a smooth 10-speed automatic transmission and 4WD system, its built to conquer tough terrain while maintaining a premium driving experience.

Entertainment Features:

Premium GMC Infotainment System with 8-inch touchscreen

Apple CarPlay and Android Auto compatibility

Bluetooth® hands-free connectivity

Bose premium sound system

HD Radio and SiriusXM Satellite Radio

USB ports and auxiliary input

Voice-activated technology for phone and audio

Added Features:

White Frost Tricoat exterior finish

Power Sunroof

20″ Polished Aluminum Wheels

GMC Multipro Tailgate

Spray-On Bedliner

Chrome Assist Steps

Safety Features:

Forward Collision Alert

Lane Keep Assist with Lane Departure Warning

Front and Rear Park Assist

Rear Cross Traffic Alert

Safety Alert Seat

Teen Driver Mode

Stabilitrak Electronic Stability Control System

Hill Descent Control

Standard Features:

Heated and Ventilated Front Leather Seats

Dual-Zone Automatic Climate Control

Remote Start System

Keyless Open and Start

Power-Folding Heated Mirrors

LED Headlamps and Taillamps

Advanced Trailering System

Rear Vision Camera

Push-Button Start

4G LTE Wi-Fi Hotspot

Mechanical Features:

EcoTec3 5.3L V8 Engine

10-Speed Automatic Transmission

Autotrac 2-Speed Transfer Case

Heavy-Duty Locking Rear Differential

Trailering Package

Automatic Stop/Start Technology

Electric Power Steering

4-Wheel Disc Brakes with Duralife Rotors

High-Capacity Air Cleaner

Skid Plates

Why Buy from Port Lavaca Auto Group
At Port Lavaca, we dont just sell truckswe build relationships. Our customers consistently praise our friendly, transparent service and our dedication to finding the perfect vehicle for their needs. With hundreds of positive Google Reviews, drivers appreciate how effortless and honest the experience is.

The team at Port Lavaca made buying my Sierra an absolute pleasure. They were transparent, fast, and truly cared about my needs. Ill definitely be back for my next GMC! Michael T., September 25, 2025

When you choose Port Lavaca Auto Group, youre not just getting a premium vehicleyoure gaining a partner in your driving journey. Experience the difference today!

Standard Features

  • Driver Alert Package I
  • Driver Alert Package II
  • Preferred Equipment Group 4SA
  • SLT Convenience Package
  • SLT Preferred Package
  • Texas Edition SLT Premium Plus Package
  • Trailering Package
  • X31 Off-Road 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
  • Heavy Duty Suspension
  • Manual Tilt-Wheel & Telescoping Steering Column
  • 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
  • Dual Exhaust w/Premium Tips
  • Panic alarm
  • Security system
  • Theft Deterrent System (Unauthorized Entry)
  • Adaptive Cruise Control
  • Speed control
  • 170 Amp Alternator
  • Auxiliary External Transmission Oil Cooler
  • Heavy-Duty Air Filter
  • Auto-dimming door mirrors
  • Bumpers: chrome
  • Chrome Grille
  • Chrome Wheel To Wheel Assist Steps
  • 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/GMC Logo
  • 2 USB Ports (1st Row)
  • 4G LTE Wi-Fi Hotspot Capable
  • All-Weather Floor Liner (LPO)
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • 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 reading lights
  • GMC Connected Access Capable
  • Heated steering wheel
  • Illuminated entry
  • Lane Change Alert w/Side Blind Zone Alert
  • Lane Keep Assist w/Lane Departure Warning
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Cross Traffic Alert
  • Rear Dual USB Charging-Only Ports
  • Rear reading lights
  • Rear seat center armrest
  • 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 40/20/40 Split-Bench Seat
  • Front Bucket Seats
  • Heated 2nd Row Outboard Seats
  • Heated Driver & Front Outboard Passenger Seating
  • Heated front seats
  • Perf Leather-Appointed Front Outboard Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver & Front Passenger Seats
  • Front Center Armrest w/Storage
  • Passenger door bin
  • Front Frame-Mounted Black Recovery Hooks
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering App
  • Integrated Trailer Brake Controller
  • Trailer Tire Pressure Monitor System
  • 20″ x 9″ Polished Aluminum Wheels
  • Alloy wheels
  • Wheel Locks (Set of 4) (LPO)
  • Wheels: 18″ x 8.5″ 6-Spoke Machined Aluminum
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Rear Defogger
  • Variably intermittent wipers
  • 3.23 Rear Axle Ratio
  • **CARFAX 1 OWNER**
  • **CLEAN CARFAX**
  • **LOCAL TRADE**
  • **NON SMOKER**

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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