Used 2021 GMC Sierra 1500 AT4 for Sale Killeen, TX - $39,995
Official Vehicle Listing. This page is the primary source for this vehicle's pricing, availability, and specifications. Inventory data is supplied and maintained directly by the selling dealer and updated regularly by CARVID. Last updated on June 14, 2026.
This 2021 GMC Sierra 1500 AT4 is a used vehicle with 76,857 mi. It is equipped with 10-Speed Automatic 4WD and runs on Gasoline. The vehicle has a Steel Metallic exterior and Jet Black interior. This specific vehicle (VIN: 3GTP9EEL3MG307507) is currently available for sale in Killeen, Texas (ZIP 76543), Bell County and is offered by Nyle Maxwell CDJR Killeen for immediate purchase.
Market Information
At 76,857 mi, this vehicle is in the mid-range of its expected 150,000-mile lifespan. Currently available in Killeen, Texas. Listed at $39,995.
Seller Information
Offered for sale by Nyle Maxwell CDJR Killeen, an auto dealer located at 3602 E Central TX Expwy, Killeen, Texas.
Contact: (254) 200-3900
Located in Killeen, TX (ZIP 76543), in Bell County.
Why Buy From Nyle Maxwell CDJR Killeen?
- ✓ Transparent pricing with no hidden fees
- ✓ Detailed video walkthroughs of every vehicle
- ✓ Located in Killeen, Texas for easy viewing
- ✓ Professional inspection and vehicle history available
- ✓ Direct contact at (254) 200-3900
Vehicle Details
$39,995 • 76,857 mi • Killeen, TX • 📞 (254) 200-3900
Specifications
Vehicle Features
Mechanical
- • 6.2
- • 10-Speed Automatic
- • 4WD
- • Gasoline
Exterior
- • Steel Metallic Paint
- • 4-Door Configuration
Interior
- • Jet Black Interior
Description
**CALL 254-200-3900**Recent Arrival! Clean CARFAX.Steel Metallic 2021 GMC Sierra 1500 AT4 AT4 EcoTec3 6.2L V8 4WDSierra 1500 AT4, 4D Crew Cab, EcoTec3 6.2L V8, 10-Speed Automatic, 4WD, Steel Metallic, Jet Black 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, 8" Driver Information Center, Adaptive Cruise Control, AT4 High Clearance Step (LPO), AT4 Preferred Package, AT4 Premium Package, Auto-Locking Rear Differential, Automatic Emergency Braking, Auxiliary External Transmission Oil Cooler, Bed View Camera, Body-Color Surround Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Driver Alert Package I, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front Pedestrian Braking, Front Prem Floor Liners w/Removable Carpet Insert, GMC Connected Access Capable, HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, 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, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Keep Assist w/Lane Departure Warning, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, Multicolor 15" Diagonal Head-Up Display, OnStar & GMC Connected Services Capable, Perimeter Lighting, 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 Camera Mirror, Rear Cross Traffic Alert, Rear Dual USB Charging-Only Ports, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Safety Alert Seat, SiriusXM w/360L, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Technology Package, Theft Deterrent System (Unauthorized Entry), Trailering Package, Ultrasonic Front & Rear Park Assist, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging.
Frequently Asked Questions
What is the price of this 2021 GMC Sierra 1500?
This 2021 GMC Sierra 1500 is priced at $39,995. This represents a premium for a vehicle with 76,857 mi.
Where is this GMC Sierra 1500 located?
This vehicle is located at Nyle Maxwell CDJR Killeen, 3602 E Central TX Expwy in Killeen, Texas (ZIP 76543), Bell County. Call (254) 200-3900 to schedule an appointment.
Is this 2021 GMC Sierra 1500 still available?
Yes, as of our last inventory sync on June 14, 2026, this 2021 GMC Sierra 1500 (VIN: 3GTP9EEL3MG307507) 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, Gasoline engine, and Steel Metallic exterior paint.
