2021 GMC Sierra AT4
GMC Sierra Details
Automatic
6 Cyl, 3.0L
ONYX BLACK
4WD
Diesel
122,311 Miles
JET BLACK W/KALAHARI ACCENTS
N329106A
3GTU9EET8MG166758
1500
Leather
AT4
About This 2021 GMC Sierra
Vehicle Details
Discover rugged capability and refined comfort with this 2021 GMC Sierra 1500 AT4 4WD, located in Cullman, AL. Powered by a strong 6-cylinder 3.0L diesel engine, this GMC Sierra AT4 delivers impressive torque for towing and confident highway passing while tackling rugged terrain with its 4-wheel drive system. The AT4 trim blends off-road readiness and upscale amenities-complete with premium leather seats that provide long-distance comfort and a refined interior feel. Stay connected on every drive using Android Auto and the integrated BOSE stereo system that brings rich, immersive sound to road trips. The Back-Up Camera and steering wheel audio controls enhance convenience and safety, making parking and media adjustments effortless. This GMC Sierra features a well-appointed cabin, durable exterior design, and a suspension tuned for both on-road poise and off-road capability. Located in Cullman, AL, this pre-owned 2021 GMC Sierra 1500 AT4 is ideal for drivers who want a versatile pickup that pairs rugged performance with upscale technology and comfort. Contact us to schedule a test drive and experience the commanding presence, premium features, and dependable diesel performance of this GMC Sierra 1500 AT4 today.
Equipment
This model is pure luxury with a heated steering wheel. This 1/2 ton pickup offers Apple CarPlay for seamless connectivity. This 1/2 ton pickup comes equipped with Android Auto for seamless smartphone integration on the road. This vehicle features steering wheel audio controls. This model features a high end BOSE stereo system. Never get into a cold vehicle again with the remote start feature on this 2021 GMC Sierra 1500. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. This GMC Sierra features a hands-free Bluetooth phone system. See what's behind you with the back up camera on this vehicle. An off-road package is equipped on this model. This unit stays safely in its lane with Lane Keep Assist. The vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. You'll never again be lost in a crowded city or a country region with the navigation system on it.
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. Onyx Black. Console-Mounted Safe. All-Weather Floor Liners with AT4 Logo. 275/60R20SL AT BW Tires. Wheel Locks (set of 4). Trailer Tire Pressure Monitor System. **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 rugged capability and refined comfort with this 2021 GMC Sierra 1500 AT4 4WD, located in Cullman, AL. Powered by a strong 6-cylinder 3.0L diesel engine, this GMC Sierra AT4 delivers impressive torque for towing and confident highway passing while tackling rugged terrain with its 4-wheel drive system. The AT4 trim blends off-road readiness and upscale amenities-complete with premium leather seats that provide long-distance comfort and a refined interior feel. Stay connected on every drive using Android Auto and the integrated BOSE stereo system that brings rich, immersive sound to road trips. The Back-Up Camera and steering wheel audio controls enhance convenience and safety, making parking and media adjustments effortless. This GMC Sierra features a well-appointed cabin, durable exterior design, and a suspension tuned for both on-road poise and off-road capability. Located in Cullman, AL, this pre-owned 2021 GMC Sierra 1500 AT4 is ideal for drivers who want a versatile pickup that pairs rugged performance with upscale technology and comfort. Contact us to schedule a test drive and experience the commanding presence, premium features, and dependable diesel performance of this GMC Sierra 1500 AT4 today.
Equipment
This model is pure luxury with a heated steering wheel. This 1/2 ton pickup offers Apple CarPlay for seamless connectivity. This 1/2 ton pickup comes equipped with Android Auto for seamless smartphone integration on the road. This vehicle features steering wheel audio controls. This model features a high end BOSE stereo system. Never get into a cold vehicle again with the remote start feature on this 2021 GMC Sierra 1500. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. This GMC Sierra features a hands-free Bluetooth phone system. See what's behind you with the back up camera on this vehicle. An off-road package is equipped on this model. This unit stays safely in its lane with Lane Keep Assist. The vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. You'll never again be lost in a crowded city or a country region with the navigation system on it.
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. Onyx Black. Console-Mounted Safe. All-Weather Floor Liners with AT4 Logo. 275/60R20SL AT BW Tires. Wheel Locks (set of 4). Trailer Tire Pressure Monitor System. **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
- Onyx Black
- Console-Mounted Safe
- All-Weather Floor Liners with AT4 Logo
- 275/60R20SL AT BW Tires
- Wheel Locks (set of 4)
- Trailer Tire Pressure Monitor System
- 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
- Duramax 3L I-6 diesel direct injection
- DOHC
- variable valve control
- intercooled turbo
- diesel
- engine with 277HP
- Duramax 3L I-6 DOHC
- 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 tire pressure and temperature sensors
- 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
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