2021 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.2L
Onyx Black
4WD
Gasoline
54,469 Miles
Jet Black w/Kalahari Accents
5611A
3GTP9EEL9MG122054
1500
Leather
AT4
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
Discover exceptional capability with this 2021 GMC Sierra 1500 AT4 4WD, now available in Cheboygan, MI. Powered by a robust 6.2L V8 gas engine, this GMC Sierra AT4 delivers confident towing, strong acceleration, and the rugged off-road performance the AT4 trim is known for. Designed for drivers who demand comfort and capability, the cabin includes modern connectivity like Android Auto and convenient Remote Start for cold Michigan mornings. Safety and driver assistance features are comprehensive: Lane Departure Warning helps keep you centered, while Adaptive Cruise Control reduces highway fatigue and enhances long-distance driving confidence. This GMC Sierra includes a CARFAX Clean Report, giving added assurance of its history and condition. With its blend of premium touches, off-road-ready suspension, and practical capability, this truck is ideal for work, recreation, or daily driving. Located in Cheboygan, MI, this 2021 GMC Sierra 1500 AT4 offers the best price in the area — a competitively priced option for buyers seeking performance and value. Inspect the vehicle in person to experience the refined interior, robust V8 power, and advanced safety tech. Contact us to schedule a test drive and secure this exceptional GMC Sierra AT4 before it's gone. Competitive pricing, proven reliability, and local availability make this one an outstanding choice.
Equipment
Good News! This certified CARFAX 1-owner vehicle has only had one owner before you. This unit is pure luxury with a heated steering wheel. The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This vehicle has auto-adjust speed for safe following. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Engulf yourself with the crystal clear sound of a BOSE sound system in this model. Start the GMC Sierra from inside with remote start. It has a clean CARFAX vehicle history report. Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. The vehicle stays safely in its lane with Lane Keep Assist. This 1/2 ton pickup features steering wheel audio controls. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road.
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; LT275/65R18C MT BW Tires. Off-Road Performance Package: 18" X 8.5" Machined Aluminum Wheels; LT275/65R18C MT BW Tires. 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; 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. Performance Upgrade Package: Performance Air Intake System; Cat-Back Performance Exhaust. 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. Cat-Back Performance Exhaust. AT4 High Clearance Step. Power Sunroof. MulitPro Audio System by Kicker. Performance Air Intake System. Wired Auxiliary Trailer Camera. Onyx Black. LT275/65R18C MT BW Tires. Front and Rear Black Molded Splash Guards. **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.**
Discover exceptional capability with this 2021 GMC Sierra 1500 AT4 4WD, now available in Cheboygan, MI. Powered by a robust 6.2L V8 gas engine, this GMC Sierra AT4 delivers confident towing, strong acceleration, and the rugged off-road performance the AT4 trim is known for. Designed for drivers who demand comfort and capability, the cabin includes modern connectivity like Android Auto and convenient Remote Start for cold Michigan mornings. Safety and driver assistance features are comprehensive: Lane Departure Warning helps keep you centered, while Adaptive Cruise Control reduces highway fatigue and enhances long-distance driving confidence. This GMC Sierra includes a CARFAX Clean Report, giving added assurance of its history and condition. With its blend of premium touches, off-road-ready suspension, and practical capability, this truck is ideal for work, recreation, or daily driving. Located in Cheboygan, MI, this 2021 GMC Sierra 1500 AT4 offers the best price in the area — a competitively priced option for buyers seeking performance and value. Inspect the vehicle in person to experience the refined interior, robust V8 power, and advanced safety tech. Contact us to schedule a test drive and secure this exceptional GMC Sierra AT4 before it's gone. Competitive pricing, proven reliability, and local availability make this one an outstanding choice.
Equipment
Good News! This certified CARFAX 1-owner vehicle has only had one owner before you. This unit is pure luxury with a heated steering wheel. The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This vehicle has auto-adjust speed for safe following. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Engulf yourself with the crystal clear sound of a BOSE sound system in this model. Start the GMC Sierra from inside with remote start. It has a clean CARFAX vehicle history report. Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. The vehicle stays safely in its lane with Lane Keep Assist. This 1/2 ton pickup features steering wheel audio controls. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road.
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; LT275/65R18C MT BW Tires. Off-Road Performance Package: 18" X 8.5" Machined Aluminum Wheels; LT275/65R18C MT BW Tires. 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; 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. Performance Upgrade Package: Performance Air Intake System; Cat-Back Performance Exhaust. 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. Cat-Back Performance Exhaust. AT4 High Clearance Step. Power Sunroof. MulitPro Audio System by Kicker. Performance Air Intake System. Wired Auxiliary Trailer Camera. Onyx Black. LT275/65R18C MT BW Tires. Front and Rear Black Molded Splash Guards. **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; LT275/65R18C MT BW Tires
- Off-Road Performance Package: 18" X 8.5" Machined Aluminum Wheels; LT275/65R18C MT BW Tires
- 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; 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
- Performance Upgrade Package: Performance Air Intake System; Cat-Back Performance Exhaust
- 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
- Cat-Back Performance Exhaust
- AT4 High Clearance Step
- Power Sunroof
- MulitPro Audio System by Kicker
- Performance Air Intake System
- Wired Auxiliary Trailer Camera
- Onyx Black
- LT275/65R18C MT BW Tires
- Front and Rear Black Molded Splash Guards
- 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
- Auxiliary camera
- 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
- Transparent trailer view
- 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
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