Used 2021 GMC Sierra 1500 AT4 for Sale Olmito, TX - $42,991
Dealer-Supplied Listing. Pricing, availability, and specifications on this page come directly from DRIVENCI MOTORS and are synced automatically by CARVID. Confirm final pricing and availability with the dealer before purchase. Last synced on September 8, 2026.
20 Photos of this 2021 GMC Sierra 1500
This 2021 GMC Sierra 1500 AT4 is a used pickup truck with 81,568 mi. It is equipped with 3.0, 10-Speed Automatic transmission, 4WD and runs on Diesel. The vehicle has a Ebony Twilight Metallic exterior and Jet Black interior. This specific vehicle (VIN: 3GTU9EET5MG448825) is currently available for sale in Olmito, Texas (ZIP 78575) and is offered by DRIVENCI MOTORS.
Market Information
This 2021 GMC Sierra 1500 achieves an EPA-estimated 22 city / 26 highway MPG. This vehicle has been listed for 93 days. The price has been reduced by $2,004 from the original listing price of $44,995 across 2 price changes. Odometer reads 81,568 mi. Listed at $42,991 in Olmito, Texas.
Seller Information
Offered for sale by DRIVENCI MOTORS, an auto dealer located at 7000 N expressway 77, Olmito, Texas.
Contact: (956) 551-9655
Hours
● Closed nowWhy Buy From DRIVENCI MOTORS?
- ✓ Transparent pricing with no hidden fees
- ✓ Detailed video walkthroughs of every vehicle
- ✓ Located in Olmito, Texas for easy viewing
- ✓ Professional inspection and vehicle history available
- ✓ Direct contact at (956) 551-9655
Vehicle Details
$42,991 • 81,568 mi • Olmito, TX • 📞 (956) 551-9655
Specifications
Vehicle Features
Mechanical
- • 3.0
- • AT4 Preferred Package
- • Preferred Equipment Group 4SB
- • Trailering Package
- • 6 Speakers
- • 6-Speaker Audio System Feature
- • Am/Fm radio: SiriusXM with 360L
- • MultiPro Audio System by Kicker
- • Not Equipped w/Hd Radio
- • 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
- • Panic alarm
- • Security system
- • Theft Deterrent System (Unauthorized Entry)
- • Speed control
- • 170 Amp Alternator
- • 220 Amp Alternator
- • 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
- • Led Cargo Area Lighting
- • Power door mirrors
- • ProGrade Trailering System
- • Rear step bumper
- • Rear Wheelhouse Liners
- • Red Illuminated Front Gmc Emblem (Lpo)
- • 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
- • Apple CarPlay/Android Auto
- • Auto-dimming Rear-View mirror
- • Color-Keyed Carpeting Floor Covering
- • Compass
- • Driver door bin
- • Driver vanity mirror
- • Floor-Mounted Center Console
- • Front Prem Floor Liners w/Removable Carpet Insert
- • Front reading lights
- • Gmc Connected Access Capable
- • Hd Rear Vision Camera
- • Heated steering wheel
- • Illuminated entry
- • Not Equipped w/Heated 2nd Row Outboard Seats
- • OnStar & Gmc Connected Services Capable
- • Outside temperature display
- • Overhead console
- • Passenger vanity mirror
- • Rear Dual Usb Charging-Only Ports
- • Rear Prem Floor Liners w/Removable Carpet Insert
- • Rear reading lights
- • Rear seat center armrest
- • Tachometer
- • Telescoping steering wheel
- • Tilt steering wheel
- • Trip computer
- • 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
- • Wheels: 20" x 9" Machined Aluminum
- • Deep-Tinted Glass
- • Power Sliding Rear Window w/Rear Defogger
- • Variably intermittent wipers
- • 3.23 Rear Axle Ratio
- • Rare !!!
- • Lifted
- • 10-Speed Automatic
- • 4WD
- • Diesel
- • 22/26 MPG (City/Hwy)
Exterior
- • Ebony Twilight Metallic Paint
- • 4-Door Configuration
Interior
- • Jet Black Interior
Description
Clean CARFAX. 2021 GMC Sierra 1500 AT4 4WD 3.0L I6 RARE !!!, LIFTED, AT4, 4D Crew Cab, 3.0L I6, 10-Speed Automatic, 4WD, Ebony Twilight Metallic, Jet Black w/Kalahari Accents w/Perforated Leather-Appointed Front Seat Trim, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 2 USB Ports, 2 USB Ports (1st Row), 4.2" Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, AT4 Preferred Package, 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, 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, Power Sliding Rear Window w/Rear Defogger, Preferred Equipment Group 4SB, Premium Bose 7-Speaker Sound System, ProGrade Trailering System, Radio: Premium GMC Infotainment Sys w/Navigation, Rear Dual USB Charging-Only Ports, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, SiriusXM w/360L, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Trailering Package, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging.THIS VEHICLE COMES WITH THE FOLLOWING FEATURES AND OPTIONS :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), Preferred Equipment Group 4SB (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 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), AT4, 4D Crew Cab, 3.0L I6, 10-Speed Automatic, 4WD, Ebony Twilight Metallic, Jet Black w/Kalahari Accents w/Perforated Leather-Appointed Front Seat Trim, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 18" x 8.5" Machined Al
Frequently Asked Questions
What is the price of this 2021 GMC Sierra 1500?
This 2021 GMC Sierra 1500 is priced at $42,991. Mileage is 81,568 mi.
How long has this GMC Sierra 1500 been for sale?
This vehicle has been listed for 93 days. The asking price has been reduced by $2,004 since it was first listed at $44,995.
Where is this GMC Sierra 1500 located?
This vehicle is located at DRIVENCI MOTORS, 7000 N expressway 77 in Olmito, Texas (ZIP 78575). Call (956) 551-9655 to schedule an appointment.
Is this 2021 GMC Sierra 1500 still available?
Yes, as of our last inventory sync on September 8, 2026, this 2021 GMC Sierra 1500 (VIN: 3GTU9EET5MG448825) is in stock and available for immediate purchase.
What are the key features of this GMC Sierra 1500?
This 2021 GMC Sierra 1500 features 10-Speed Automatic transmission, 4WD drivetrain, a 3.0, Ebony Twilight Metallic exterior paint. It achieves 22 city / 26 highway MPG.
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This estimate does not include a documentation fee. Most dealers charge one, and amounts vary widely by dealer and by state. It also excludes title, registration, tag, and other charges. Sales tax is an estimated average rate for Texas and your actual rate depends on where the vehicle is registered. Confirm all fees, the final out-the-door price, and financing terms directly with DRIVENCI MOTORS.
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