2021 GMC Sierra AT4
GMC Sierra Details
Automatic
6 Cyl, 3.0L
Satin Steel Metallic
4WD
Diesel
67,398 Miles
Jet Black w/Kalahari Accents
MG339320
3GTU9EET0MG339320
1500
Leather
AT4
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
2021 GMC Sierra 1500 AT4 4WD — rugged capability meets refined comfort in this diesel-powered pickup located in East Dubuque, IL. Powered by a fuel-efficient 3.0L turbocharged I-6 diesel, this AT4 delivers exceptional torque, towing confidence, and impressive highway mileage for drivers who need power without sacrificing economy. The off-road-ready AT4 package includes a robust suspension and 4WD hardware, making this GMC Sierra equally at home on back roads or construction sites. Inside, the cabin is thoughtfully appointed with technology and safety features to keep you connected and protected. Standard amenities include GPS Navigation for stress-free routing, a Back-Up Camera for precise parking and hitching, Lane Keep Assist to help maintain lane position, and Cross-Traffic Alert to warn of approaching vehicles when reversing. An AutoCheck Clean Report accompanies the vehicle, providing verified history and added peace of mind. This GMC Sierra 1500 AT4 blends utility and comfort with premium touches and durable materials engineered for daily use. Whether you're hauling equipment, towing a trailer, or commuting, the powerful diesel engine and 4WD system deliver dependable performance. Priced to sell, this vehicle offers the best price in the area for comparable diesel AT4 models. Stop by in East Dubuque, IL to test drive this 2021 GMC Sierra 1500 AT4 and experience why it's the smart choice for capability, safety, and value.
Equipment
This unit features a high end BOSE stereo system. Protect this unit from unwanted accidents with a cutting edge backup camera system. This 1/2 ton pickup has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. The leather seats in this 1/2 ton pickup are a must for buyers looking for comfort, durability, and style. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The steering wheel audio controls on this model keep the volume and station within easy reach. An off-road package is installed on this 1/2 ton pickup so you are ready for your four-wheeling best. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. Start this unit from inside with remote start.
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. 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. AT4 Value Package. 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. Power Sunroof. 20" X 9" Machined Aluminum Wheels. Satin Steel Metallic. 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 — rugged capability meets refined comfort in this diesel-powered pickup located in East Dubuque, IL. Powered by a fuel-efficient 3.0L turbocharged I-6 diesel, this AT4 delivers exceptional torque, towing confidence, and impressive highway mileage for drivers who need power without sacrificing economy. The off-road-ready AT4 package includes a robust suspension and 4WD hardware, making this GMC Sierra equally at home on back roads or construction sites. Inside, the cabin is thoughtfully appointed with technology and safety features to keep you connected and protected. Standard amenities include GPS Navigation for stress-free routing, a Back-Up Camera for precise parking and hitching, Lane Keep Assist to help maintain lane position, and Cross-Traffic Alert to warn of approaching vehicles when reversing. An AutoCheck Clean Report accompanies the vehicle, providing verified history and added peace of mind. This GMC Sierra 1500 AT4 blends utility and comfort with premium touches and durable materials engineered for daily use. Whether you're hauling equipment, towing a trailer, or commuting, the powerful diesel engine and 4WD system deliver dependable performance. Priced to sell, this vehicle offers the best price in the area for comparable diesel AT4 models. Stop by in East Dubuque, IL to test drive this 2021 GMC Sierra 1500 AT4 and experience why it's the smart choice for capability, safety, and value.
Equipment
This unit features a high end BOSE stereo system. Protect this unit from unwanted accidents with a cutting edge backup camera system. This 1/2 ton pickup has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. The leather seats in this 1/2 ton pickup are a must for buyers looking for comfort, durability, and style. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The steering wheel audio controls on this model keep the volume and station within easy reach. An off-road package is installed on this 1/2 ton pickup so you are ready for your four-wheeling best. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. Start this unit from inside with remote start.
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. 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. AT4 Value Package. 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. Power Sunroof. 20" X 9" Machined Aluminum Wheels. Satin Steel Metallic. 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
- 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
- AT4 Value Package
- 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
- Power Sunroof
- 20" X 9" Machined Aluminum Wheels
- Satin Steel Metallic
- 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
- 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 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
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