2021 GMC Sierra AT4
GMC Sierra Details
Automatic
6 Cyl, 3.0L
Onyx Black
4WD
Diesel
100,591 Miles
Jet Black w/Kalahari Accents
T262328A
3GTU9EETXMG168608
1500
Leather
AT4
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
Discover the rugged luxury of this 2021 GMC Sierra 1500 AT4 4WD, now available in Florissant, MO — priced to move and offering the best value in the area. This diesel-powered GMC Sierra features a fuel-efficient 6-cylinder, 3.0L Duramax engine that delivers impressive torque for towing and confident highway passing while keeping fuel costs down. CARFAX 1-Owner history provides peace of mind, and the truck's AT4 off-road suspension and 4WD capability means you're ready for weekends off the beaten path or tough job-site conditions. Inside, enjoy premium comfort and cutting-edge tech that make every drive more enjoyable. Integrated Navigation keeps you on course, while Android Auto ensures seamless smartphone connectivity for calls, messages, and media. The BOSE stereo system delivers crystal-clear audio for your favorite playlists and podcasts. Adaptive Cruise Control adds convenience and safety on long trips, helping maintain a safe distance from traffic automatically. This GMC Sierra AT4 combines capability and refinement with rugged styling, bed utility, and advanced driver-assist features. Whether you need towing muscle, off-road readiness, or a comfortable daily driver, this 2021 GMC Sierra 1500 AT4 checks every box. Located in Florissant, MO and priced as the best deal around, this CARFAX 1-Owner diesel GMC Sierra won't last long — schedule a test drive today and experience diesel power and AT4 capability for yourself.
Equipment
This unit stays safely in its lane with Lane Keep Assist. The rear parking assist technology on this model will put you at ease when reversing. The system alerts you as you get closer to an obstruction. An off-road package is installed on this unit so you are ready for your four-wheeling best. Keep your hands warm all winter with a heated steering wheel in this 2021 GMC Sierra 1500 . This 2021 GMC Sierra 1500 features a high end BOSE stereo system. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. The leather seats in this 1/2 ton pickup are a must for buyers looking for comfort, durability, and style. It will allow to see the road and so much more with the HID headlights. 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.
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. 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. Power Sunroof. Black Sport Step. 20" X 9" Machined Aluminum Wheels. Onyx Black. 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.**
Discover the rugged luxury of this 2021 GMC Sierra 1500 AT4 4WD, now available in Florissant, MO — priced to move and offering the best value in the area. This diesel-powered GMC Sierra features a fuel-efficient 6-cylinder, 3.0L Duramax engine that delivers impressive torque for towing and confident highway passing while keeping fuel costs down. CARFAX 1-Owner history provides peace of mind, and the truck's AT4 off-road suspension and 4WD capability means you're ready for weekends off the beaten path or tough job-site conditions. Inside, enjoy premium comfort and cutting-edge tech that make every drive more enjoyable. Integrated Navigation keeps you on course, while Android Auto ensures seamless smartphone connectivity for calls, messages, and media. The BOSE stereo system delivers crystal-clear audio for your favorite playlists and podcasts. Adaptive Cruise Control adds convenience and safety on long trips, helping maintain a safe distance from traffic automatically. This GMC Sierra AT4 combines capability and refinement with rugged styling, bed utility, and advanced driver-assist features. Whether you need towing muscle, off-road readiness, or a comfortable daily driver, this 2021 GMC Sierra 1500 AT4 checks every box. Located in Florissant, MO and priced as the best deal around, this CARFAX 1-Owner diesel GMC Sierra won't last long — schedule a test drive today and experience diesel power and AT4 capability for yourself.
Equipment
This unit stays safely in its lane with Lane Keep Assist. The rear parking assist technology on this model will put you at ease when reversing. The system alerts you as you get closer to an obstruction. An off-road package is installed on this unit so you are ready for your four-wheeling best. Keep your hands warm all winter with a heated steering wheel in this 2021 GMC Sierra 1500 . This 2021 GMC Sierra 1500 features a high end BOSE stereo system. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. The leather seats in this 1/2 ton pickup are a must for buyers looking for comfort, durability, and style. It will allow to see the road and so much more with the HID headlights. 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.
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. 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. Power Sunroof. Black Sport Step. 20" X 9" Machined Aluminum Wheels. Onyx Black. 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
- 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
- Power Sunroof
- Black Sport Step
- 20" X 9" Machined Aluminum Wheels
- Onyx Black
- 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
- 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
- 3.0L I6 Turbo Diesel Engine
- ProGrade Trailering Pkg.
- Certified Pre-Owned-1500
- Aluminum/Alloy Wheels
- Bed Liner
- Bose Premium Stereo
- Fixed Running Boards
- GMC MultiPro Tailgate
- Heads-Up Display
- Heated Exterior Mirrors
- Power Adjustable Mirrors
- Power Door Locks
- Power Driver's Seat
- Power Windows
- Rear Parking Sensors
- Steering Wheel Mounted AudioControls
- Univ Garage Door Opener
- 6-Cyl; Turbo Diesel; 3.0 Liter
- Automatic; 10-Spd w/Overdrive
- 4WD
- Hill Descent Control
- Hill Start Assist Control
- Traction Control
- StabiliTrak
- ABS (4-Wheel)
- Theft Deterrent System
- Keyless Entry
- Keyless Start
- Air Conditioning
- Cruise Control
- Power Tailgate Release
- Power Steering
- Tilt & Telescoping Wheel
- AM/FM Stereo
- SiriusXM Satellite
- Bluetooth Wireless
- OnStar
- Premium GMC Infotainment System
- Backup Camera
- Dual Air Bags
- Side Air Bags
- F&R Head Curtain Air Bags
- Heated & Ventilated Seats
- Dual Power Seats
- Leather
- HID Headlamps
- Daytime Running Lights
- LED Headlamps
- Fog Lights
- Towing Pkg
- Alloy Wheels
- 3.0L V6 Turbo Diesel
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