2021 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.2L
Ebony Twilight Metallic
4WD
Gasoline
111,464 Miles
Jet Black w/Kalahari Accents
20912-1
1GTP9EEL4MZ298073
1500
Leather
AT4
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
2021 GMC Sierra 1500 AT4 4WD — premium capability and refined comfort converge in this rugged yet sophisticated pickup, located in Slinger, WI. Powered by a potent 6.2L V8 gasoline engine and a full-time 4WD system, this GMC Sierra AT4 delivers confident towing, strong highway performance, and off-road competence when the road gets rough. The interior balances utility with upscale features, including Navigation and a premium BOSE stereo system for crisp audio on long drives. Advanced safety and driver-assist technology enhance peace of mind: Lane Departure Warning and Lane Keep Assist help maintain lane position, while Hands-Free Bluetooth keeps communication and media seamless and safe. The AT4 trim adds distinctive styling and capability enhancements—rugged exterior accents, durable interior materials, and an off-road suspension that improves traction and ride quality. This GMC Sierra offers generous cargo capacity, thoughtful storage solutions, and comfortable seating for daily commutes or weekend adventures. With proven GMC reliability and a strong V8 under the hood, it’s an ideal choice for drivers seeking a blend of power, technology, and comfort. Located in Slinger, WI, this 2021 GMC Sierra 1500 AT4 is competitively priced and represents the best value available. Schedule a test drive to experience the performance and features firsthand and secure this exceptional truck today.
Equipment
The steering wheel audio controls on this 2021 GMC Sierra 1500 keep the volume and station within easy reach. Apple CarPlay: Seamless smartphone integration for this 1/2 ton pickup - stay connected and entertained on the go! It's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. It's Lane Departure Warning helps keep you in your lane. The GMC Sierra stays safely in its lane with Lane Keep Assist. Start the vehicle from inside with remote start. The GMC Sierra is pure luxury with a heated steering wheel. The installed navigation system will keep you on the right path. Engulf yourself with the crystal clear sound of a BOSE sound system in the vehicle. An off-road package is installed on this 1/2 ton pickup so you are ready for your four-wheeling best. See what's behind you with the back up camera on this 1/2 ton pickup. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style.
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 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. 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; 265/65R18SL AT BW Tires; 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; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; Duramax 3.0L Turbo-Diesel I6 Engine; 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; Premium GMC Infotainment System Radio with Multi-Touch; 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; 18" X 8.5" Machined Aluminum Wheels; 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. Cat-Back Performance Exhaust. AT4 High Clearance Step. Power Sunroof. Ebony Twilight Metallic. Rear Underseat Storage. Power-Adjustable Vertical Trailering Outside Mirrors. Cargo Tie-Downs (4). **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 — premium capability and refined comfort converge in this rugged yet sophisticated pickup, located in Slinger, WI. Powered by a potent 6.2L V8 gasoline engine and a full-time 4WD system, this GMC Sierra AT4 delivers confident towing, strong highway performance, and off-road competence when the road gets rough. The interior balances utility with upscale features, including Navigation and a premium BOSE stereo system for crisp audio on long drives. Advanced safety and driver-assist technology enhance peace of mind: Lane Departure Warning and Lane Keep Assist help maintain lane position, while Hands-Free Bluetooth keeps communication and media seamless and safe. The AT4 trim adds distinctive styling and capability enhancements—rugged exterior accents, durable interior materials, and an off-road suspension that improves traction and ride quality. This GMC Sierra offers generous cargo capacity, thoughtful storage solutions, and comfortable seating for daily commutes or weekend adventures. With proven GMC reliability and a strong V8 under the hood, it’s an ideal choice for drivers seeking a blend of power, technology, and comfort. Located in Slinger, WI, this 2021 GMC Sierra 1500 AT4 is competitively priced and represents the best value available. Schedule a test drive to experience the performance and features firsthand and secure this exceptional truck today.
Equipment
The steering wheel audio controls on this 2021 GMC Sierra 1500 keep the volume and station within easy reach. Apple CarPlay: Seamless smartphone integration for this 1/2 ton pickup - stay connected and entertained on the go! It's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. It's Lane Departure Warning helps keep you in your lane. The GMC Sierra stays safely in its lane with Lane Keep Assist. Start the vehicle from inside with remote start. The GMC Sierra is pure luxury with a heated steering wheel. The installed navigation system will keep you on the right path. Engulf yourself with the crystal clear sound of a BOSE sound system in the vehicle. An off-road package is installed on this 1/2 ton pickup so you are ready for your four-wheeling best. See what's behind you with the back up camera on this 1/2 ton pickup. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style.
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 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. 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; 265/65R18SL AT BW Tires; 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; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; Duramax 3.0L Turbo-Diesel I6 Engine; 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; Premium GMC Infotainment System Radio with Multi-Touch; 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; 18" X 8.5" Machined Aluminum Wheels; 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. Cat-Back Performance Exhaust. AT4 High Clearance Step. Power Sunroof. Ebony Twilight Metallic. Rear Underseat Storage. Power-Adjustable Vertical Trailering Outside Mirrors. Cargo Tie-Downs (4). **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 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
- 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; 265/65R18SL AT BW Tires; 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; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; Duramax 3.0L Turbo-Diesel I6 Engine; 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; Premium GMC Infotainment System Radio with Multi-Touch; 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; 18" X 8.5" Machined Aluminum Wheels; 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
- Cat-Back Performance Exhaust
- AT4 High Clearance Step
- Power Sunroof
- Ebony Twilight Metallic
- Rear Underseat Storage
- Power-Adjustable Vertical Trailering Outside Mirrors
- Cargo Tie-Downs (4)
- 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
- 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
- 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
- Premium GMC Infotainment System external memory control
- Internet radio capability
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