2021 GMC Sierra AT4
GMC Sierra Details
Automatic
6 Cyl, 3.0L
SUMMIT WHITE
4WD
Diesel
78,656 Miles
JET BLACK W/KALAHARI ACCENTS
16465A
1GTU9EET3MZ217731
1500
Leather
AT4
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
2021 GMC Sierra 1500 AT4 4WD — Premium Diesel Performance in Indio, CA Clean CARFAX 1-Owner history and rugged AT4 capability combine in this 2021 GMC Sierra 1500 AT4 with the efficient 6-cylinder 3.0L Diesel engine and 4WD. Ready for work, weekend adventures, and comfortable daily driving, this GMC Sierra delivers torque-rich towing and excellent highway fuel economy without sacrificing power. Key features include Lane Keep Assist and Lane Departure Warning for confident highway travel, Cross-Traffic Alert for safer parking and backing maneuvers, and an Off-Road Package that adds durable suspension, skid protection, and rugged styling for when the pavement ends. The AT4 trim brings premium interior appointments, advanced tech, and a refined ride tailored to both off-road capability and everyday comfort. Located in Indio, CA, this GMC Sierra is priced competitively and offers the best price on similar local inventory — exceptional value for a one-owner, well-maintained diesel pickup. Whether you need payload capacity, towing strength, or comfortable long-distance driving, this 2021 GMC Sierra 1500 AT4 is a standout choice. Schedule a test drive in Indio today to experience the diesel torque, refined cabin, and the proven off-road capability of the AT4. Don't miss this one-owner GMC Sierra with top features and the best price in the area.
Equipment
This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. Apple CarPlay: Seamless smartphone integration for the GMC Sierra - stay connected and entertained on the go! This vehicle is a certified CARFAX 1-owner. Keep your hands warm all winter with a heated steering wheel in this vehicle . An off-road package is equipped on this unit. This vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. This 1/2 ton pickup has a clean CARFAX vehicle history report. The installed navigation system will keep you on the right path. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. It has auto-adjust speed for safe following. The leather seats in this model are a must for buyers looking for comfort, durability, and style. Start this unit from inside with remote start. Protect this unit from unwanted accidents with a cutting edge backup camera system.
Packages
AT4 CarbonPro Edition: AT4 Carbon Hard Badge; Black Dual Exhaust Tips; MulitPro Audio System by Kicker; Unique Grille Surround with Black Chrome Finish; CarbonPro (carbon Fiber Composite) Bed. 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. AT4 Premium Package: AT4 High Clearance Step; 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. AT4 High Clearance Step. Power Sunroof. MulitPro Audio System by Kicker. LT275/65R18C MT BW Tires. All-Weather Floor Liners with AT4 Logo. **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 Diesel Performance in Indio, CA Clean CARFAX 1-Owner history and rugged AT4 capability combine in this 2021 GMC Sierra 1500 AT4 with the efficient 6-cylinder 3.0L Diesel engine and 4WD. Ready for work, weekend adventures, and comfortable daily driving, this GMC Sierra delivers torque-rich towing and excellent highway fuel economy without sacrificing power. Key features include Lane Keep Assist and Lane Departure Warning for confident highway travel, Cross-Traffic Alert for safer parking and backing maneuvers, and an Off-Road Package that adds durable suspension, skid protection, and rugged styling for when the pavement ends. The AT4 trim brings premium interior appointments, advanced tech, and a refined ride tailored to both off-road capability and everyday comfort. Located in Indio, CA, this GMC Sierra is priced competitively and offers the best price on similar local inventory — exceptional value for a one-owner, well-maintained diesel pickup. Whether you need payload capacity, towing strength, or comfortable long-distance driving, this 2021 GMC Sierra 1500 AT4 is a standout choice. Schedule a test drive in Indio today to experience the diesel torque, refined cabin, and the proven off-road capability of the AT4. Don't miss this one-owner GMC Sierra with top features and the best price in the area.
Equipment
This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. Apple CarPlay: Seamless smartphone integration for the GMC Sierra - stay connected and entertained on the go! This vehicle is a certified CARFAX 1-owner. Keep your hands warm all winter with a heated steering wheel in this vehicle . An off-road package is equipped on this unit. This vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. This 1/2 ton pickup has a clean CARFAX vehicle history report. The installed navigation system will keep you on the right path. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. It has auto-adjust speed for safe following. The leather seats in this model are a must for buyers looking for comfort, durability, and style. Start this unit from inside with remote start. Protect this unit from unwanted accidents with a cutting edge backup camera system.
Packages
AT4 CarbonPro Edition: AT4 Carbon Hard Badge; Black Dual Exhaust Tips; MulitPro Audio System by Kicker; Unique Grille Surround with Black Chrome Finish; CarbonPro (carbon Fiber Composite) Bed. 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. AT4 Premium Package: AT4 High Clearance Step; 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. AT4 High Clearance Step. Power Sunroof. MulitPro Audio System by Kicker. LT275/65R18C MT BW Tires. All-Weather Floor Liners with AT4 Logo. **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
- AT4 CarbonPro Edition: AT4 Carbon Hard Badge; Black Dual Exhaust Tips; MulitPro Audio System by Kicker; Unique Grille Surround with Black Chrome Finish; CarbonPro (carbon Fiber Composite) Bed
- 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
- AT4 Premium Package: AT4 High Clearance Step; 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
- AT4 High Clearance Step
- Power Sunroof
- MulitPro Audio System by Kicker
- LT275/65R18C MT BW Tires
- All-Weather Floor Liners with AT4 Logo
- 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
- 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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