2021 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.2L
Summit White
4WD
Gasoline
110,789 Miles
Jet Black w/Kalahari Accents
T3323B
3GTP9EEL8MG160956
1500
Leather
AT4
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
2021 GMC Sierra 1500 AT4 4WD V8 — Located in Dublin, GA. This rugged, ready-to-work GMC Sierra 1500 AT4 pairs a powerful 6.2L V8 gasoline engine with dependable four-wheel drive for confident towing and off-road capability. Finished with premium leather seats and thoughtfully appointed features, it delivers comfort and capability in equal measure. Key highlights include remote start for convenient climate control, steering wheel audio controls for safer, easier media management, and advanced safety tech like cross-traffic alert to help prevent collisions when backing up. The CARFAX Clean Report provides documented vehicle history and added peace of mind. This GMC Sierra AT4 stands out for performance and refinement: the V8 delivers strong acceleration and towing capacity, while the AT4 trim brings off-road-tuned suspension, rugged styling, and enhanced traction systems. Ideal for drivers who need a tough truck for work, recreation, or daily driving without sacrificing interior comfort. Located in Dublin, GA, this pre-owned 2021 GMC Sierra 1500 AT4 is priced to move — offering the best price in the area for a well-equipped, low-risk pickup with a clean CARFAX. Schedule a test drive today to experience the V8 power, 4WD capability, and premium AT4 features for yourself.
Equipment
This 2021 GMC Sierra 1500 has auto-adjust speed for safe following. This unit features steering wheel audio controls. You'll never again be lost in a crowded city or a country region with the navigation system on this 2021 GMC Sierra 1500. This unit stays safely in its lane with Lane Keep Assist. Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. Start this 1/2 ton pickup from inside with remote start. This model offers Apple CarPlay for seamless connectivity. An off-road package is installed on it so you are ready for your four-wheeling best. Protect this 1/2 ton pickup from unwanted accidents with a cutting edge backup camera system. Keep your hands warm all winter with a heated steering wheel in this model . The vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing.
Packages
Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert. Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control. AT4 Premium Package: AT4 High Clearance Step. Technology Package: 8" Driver Information Center; HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel and Telescoping Steering Column; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation. AT4 High Clearance Step. Power Sunroof. 20" X 9" Machined Aluminum Wheels. All-Weather Floor Liners with AT4 Logo. 275/60R20SL AT BW Tires. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
2021 GMC Sierra 1500 AT4 4WD V8 — Located in Dublin, GA. This rugged, ready-to-work GMC Sierra 1500 AT4 pairs a powerful 6.2L V8 gasoline engine with dependable four-wheel drive for confident towing and off-road capability. Finished with premium leather seats and thoughtfully appointed features, it delivers comfort and capability in equal measure. Key highlights include remote start for convenient climate control, steering wheel audio controls for safer, easier media management, and advanced safety tech like cross-traffic alert to help prevent collisions when backing up. The CARFAX Clean Report provides documented vehicle history and added peace of mind. This GMC Sierra AT4 stands out for performance and refinement: the V8 delivers strong acceleration and towing capacity, while the AT4 trim brings off-road-tuned suspension, rugged styling, and enhanced traction systems. Ideal for drivers who need a tough truck for work, recreation, or daily driving without sacrificing interior comfort. Located in Dublin, GA, this pre-owned 2021 GMC Sierra 1500 AT4 is priced to move — offering the best price in the area for a well-equipped, low-risk pickup with a clean CARFAX. Schedule a test drive today to experience the V8 power, 4WD capability, and premium AT4 features for yourself.
Equipment
This 2021 GMC Sierra 1500 has auto-adjust speed for safe following. This unit features steering wheel audio controls. You'll never again be lost in a crowded city or a country region with the navigation system on this 2021 GMC Sierra 1500. This unit stays safely in its lane with Lane Keep Assist. Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. Start this 1/2 ton pickup from inside with remote start. This model offers Apple CarPlay for seamless connectivity. An off-road package is installed on it so you are ready for your four-wheeling best. Protect this 1/2 ton pickup from unwanted accidents with a cutting edge backup camera system. Keep your hands warm all winter with a heated steering wheel in this model . The vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing.
Packages
Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert. Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control. AT4 Premium Package: AT4 High Clearance Step. Technology Package: 8" Driver Information Center; HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel and Telescoping Steering Column; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation. AT4 High Clearance Step. Power Sunroof. 20" X 9" Machined Aluminum Wheels. All-Weather Floor Liners with AT4 Logo. 275/60R20SL AT BW Tires. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
Features & Options
- Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert
- Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control
- AT4 Premium Package: AT4 High Clearance Step
- Technology Package: 8" Driver Information Center; HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror
- Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel and Telescoping Steering Column; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Auto-Locking Rear Differential; Power Door Locks
- AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation
- AT4 High Clearance Step
- Power Sunroof
- 20" X 9" Machined Aluminum Wheels
- All-Weather Floor Liners with AT4 Logo
- 275/60R20SL AT BW Tires
- Apple CarPlay/Android Auto smart device mirroring
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Lane Keep Assist with Lane Departure Warning
- Adaptive cruise control
- Head-up display
- Brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Integrated navigation system
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- Rear Cross-Traffic Alert collision warning
- First-row sliding and tilting glass sunroof with express open/close activation sunshade
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- EcoTec3 6.2L V-8 gasoline direct injection
- variable valve control
- premium unleaded
- engine with cylinder deactivation and 420HP
- EcoTec3 6.2L V-8
- Front wireless smart device charging
- Teen Driver restricted driving mode/alerts
- Smart key with hands-free access and push button start
- Keyfob window control
- Aerial view camera
- Push-button
- Video-feed rearview mirror
- Bluetooth wireless audio streaming
- Hitch Guidance vehicle to trailer hitching assist
- Front mounted camera
- Right side camera
- Pickup box camera
- Left side camera
- Lane Change Alert with Side Blind Zone Alert blind spot warning
- Following Distance Indicator
- GMC ProGrade Trailering System trailer light test
- GMC ProGrade Trailering System trailer light malfunction warning
- GMC ProGrade Trailering System trailer theft alarm
- Dual-zone front climate control
- IntelliBeam auto high-beam headlights
- Immobilizer
- Bose speakers
- Bluetooth handsfree wireless device connectivity
- Trailer brake controller
- Trailer Sway Control (TSC) trailer sway control
- Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- -










