Home / Pre-Owned Inventory / Used / 2020 / GMC / Sierra 1500 / Base / 3GTP9AEH7LG408830
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Used 2020 GMC Sierra 1500 Base

VIN: 3GTP9AEH7LG408830
Stock #: LG408830B

56,732 mi.

Vehicle Details

MPG:15/20 (City/Hwy)
Trans.:6-Speed Automatic
Drivetrain:Four Wheel Drive
Engine: EcoTec3 4.3L V6
Fuel Type:Gasoline
Ext. Color:Quicksilver Metallic
Int. Color:Black
Port Lavaca Price
$29,990
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2020 GMC Sierra 1500 Base Quicksilver Metallic with Black Interior
Experience rugged capability and modern convenience with this 2020 GMC Sierra 1500 Base Crew Cab in a striking Quicksilver Metallic exterior and a refined black interior. This 4WD pickup delivers confidence on every drive, whether on the highway or off the beaten path.

Entertainment Features

Premium 6-speaker audio system

Bluetooth® hands-free phone connectivity

USB ports for charging and media

Apple CarPlay

Android Auto

Safety Features

Rear Vision Camera

StabiliTrak electronic stability control

4-wheel anti-lock disc brakes

Tire Pressure Monitoring System

Airbag system with front, side-impact, and head-curtain airbags

Standard Features

5.3L EcoTec3 V8 engine

6-speed automatic transmission

Automatic locking rear differential

4WD with Autotrac transfer case

CornerStep rear bumper for easy Bed access

Trailer sway control

LED daytime running lamps

Chrome front and rear bumpers

Spacious Crew Cab seating for five

60/40 split-folding rear bench seat

Mechanical Features

Heavy-duty air filter for tough conditions

Automatic locking rear differential

4-wheel drive with selectable modes

Independent front suspension

DuraLife brake rotors for extended performance

170-amp alternator

Engine oil cooler

Electric power steering

Fully boxed steel frame

Hill start assist

Why Buy From Port Lavaca Auto Group?

Wide selection of quality pre-owned trucks and SUVs

Transparent pricing with no hidden fees

Flexible financing options tailored to your needs

Convenient location with friendly staff

Certified technicians providing expert service

Family-owned dealership with strong community ties

Trade-in offers with top market value

Fast and easy online buying process

Award-winning customer service team

5-star rated experience backed by real customer reviews

What Customers Say
“The team at Port Lavaca made buying my truck quick and stress-free. They went above and beyond to answer all my questions and gave me a fair deal on my trade-in. I couldnt be happier with my experience!” Michael R., July 29, 2025

Drive home this 2020 GMC Sierra 1500 today from Port Lavaca Auto Group where quality vehicles, customer service, and unbeatable value meet.

Standard Features

  • 1SA Driver Alert Package I
  • Convenience Package
  • Preferred Equipment Group 1SA
  • Sierra Value Package
  • Trailering Package
  • X31 Off-Road Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio
  • Premium audio system: GMC Infotainment System
  • Radio data system
  • Radio: GMC Infotainment Audio System
  • Air Conditioning
  • Electric Rear-Window Defogger
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 4-Way Manual Driver Seat Adjuster
  • EZ Lift Power Lock & Release Tailgate
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Remote Keyless Entry
  • Heavy Duty Suspension
  • 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
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Brake assist
  • Electronic Stability Control
  • Exterior Parking Camera Rear
  • Hill Descent Control
  • Delay-off headlights
  • Fully automatic headlights
  • Perimeter Lighting
  • Cruise Control
  • Heavy-Duty Rear Locking Differential
  • 170 Amp Alternator
  • Black Manual Outside Mirrors
  • Bumpers: chrome
  • Chrome Mirror Caps
  • Chrome Surround Grille w/Black Mesh
  • Front License Plate Kit
  • Heated Power-Adjustable Outside Mirrors
  • High-Capacity Air Filter
  • LED Cargo Area Lighting
  • Rear step bumper
  • X31 Hard Badge
  • Apple CarPlay/Android Auto
  • Color-Keyed Carpeting Floor Covering
  • Driver door bin
  • Front 40/20/40 Split-Bench Seat (A52)
  • Front reading lights
  • Front Rubberized-Vinyl Floor Mats
  • Lane Change Alert w/Side Blind Zone Alert
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Cross Traffic Alert
  • Rear reading lights
  • Rear Rubberized-Vinyl Floor Mats
  • Tachometer
  • Tilt steering wheel
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter
  • 4-Way Manual Passenger Seat Adjuster
  • Front Center Armrest
  • Split folding rear seat
  • Vinyl Seat Trim
  • Passenger door bin
  • Front Frame-Mounted Black Recovery Hooks
  • Hitch Guidance
  • Integrated Trailer Brake Controller
  • Wheels: 17″ x 8″ Silver Painted Steel
  • Deep-Tinted Glass
  • Solar Absorbing Tinted Glass
  • Variably intermittent wipers
  • 3.42 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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