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Used 2021 GMC Sierra 1500
Market Value Price
$45,575Duval Discount
-$4,829 Duval Difference Price **
$40,746*Prices exclude tax, tag, title, dealer installed accessories if any, $398 electronic registration filing fee and $1199 dealer pre-delivery service fee both of which are charges that represent costs and profit to the dealer for items such as cleaning, inspecting and adjusting new and used vehicles and preparing documents related to the sale. Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user “as is” without warranty of any kind, either express or implied.
** Not all customers will qualify
See dealer for qualifications and complete details.
people recently viewed this vehicle*
Vehicle Information
Stock #: PMZ206576
VIN: 1GTU9EET6MZ206576
Body Style: Truck Diesel
Engine: 3.0L I6
Exterior Color:Onyx Black
Interior Color:Jet Black With Kalahari Accents
Mileage:82,464
MPG:22/26 (City/Hwy)
Drivetrain:Four Wheel Drive
Transmission:10-Speed Automatic
Fuel Type:Diesel
Highlighted Features
- ONYX BLACK
- JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM
- ENGINE, DURAMAX 3.0L TURBO-DIESEL I6
Description
2021 GMC Sierra 1500 AT4 4×4 Loaded, Tech + Safety Packages, Off-Road Ready | Onyx Black
Turn heads and conquer any terrain in this 2021 GMC Sierra 1500 AT4 4WD, finished in aggressive Onyx Black. This truck is built for off-road performance and refined for luxury driving, featuring the AT4 Preferred Package, Technology Package, and Driver Alert Packages I & II.
With a powerful V8, premium audio, head-up display, adaptive cruise control, and off-road suspension, this is the ultimate combination of capability, safety, and comfort.
Key Packages & Premium Features:
AT4 Preferred Package:
Premium Bose 7-Speaker Sound System
Wireless Charging & Universal Home Remote
GMC Infotainment System w/ Navigation & SiriusXM w/360L
Power Sliding Rear Window with Rear Defogger
AT4 Premium Package:
High Clearance Assist Steps (LPO)
Spray-On Bedliner with AT4 Logo
Hard-Folding Tonneau Cover (LPO)
Power Sunroof
Driver Alert Package I & II:
Lane Change Alert w/ Side Blind Zone Alert
Rear Cross Traffic Alert
Ultrasonic Front & Rear Park Assist
Adaptive Cruise Control
Forward Collision Alert & Automatic Emergency Braking
Lane Keep Assist w/ Lane Departure Warning
Safety Alert Seat & IntelliBeam Automatic High Beams
Technology Package:
15″ Multicolor Head-Up Display
Rear Camera Mirror
HD Surround Vision with 2 Trailer View Camera Provisions
Bed View Camera
8″ Driver Info Center Display
Interior & Comfort:
Heated & Ventilated Front Leather Seats
Heated Rear Outboard Seats
Heated Steering Wheel
10-Way Power Driver & Passenger Seats with Lumbar
Dual-Zone Automatic Climate Control
Floor Liners with AT4 Logo (All-Weather + Carpet Inserts)
MultiPro Tailgate with Integrated Kicker Audio System
Performance & Utility:
Off-Road Suspension Package
3.23 Rear Axle Ratio | 220 Amp Alternator
Integrated Trailer Brake Controller
Hitch Guidance with Hitch View
In-Vehicle Trailering App
Auto-Locking Rear Differential
18″ Machined Aluminum Wheels
Red Front Tow Hooks | LED Cargo Lighting
Engine Block Heater
Technology & Connectivity:
Apple CarPlay & Android Auto
4G LTE Wi-Fi Hotspot Capable
Remote Vehicle Start
Keyless Open & Push-Button Start
OnStar & GMC Connected Services Ready
Why Buy This 2021 GMC Sierra AT4?
Clean Title No Accidents
Fully Loaded with ALL Major Packages
Luxury + Off-Road Capability
Tech-Forward Safety Features
Tonneau Cover + Bedliner + Sunroof + Cameras
Available Now at Jacksonville Fl
Looking for a loaded off-road truck that doesn’t sacrifice comfort or technology? This 2021 Sierra 1500 AT4 has everything from trailering features to driver assistance, all wrapped in premium style.
Call us at 904 387 6541 or
Visit duvalford.com to schedule a test drive today!
Turn heads and conquer any terrain in this 2021 GMC Sierra 1500 AT4 4WD, finished in aggressive Onyx Black. This truck is built for off-road performance and refined for luxury driving, featuring the AT4 Preferred Package, Technology Package, and Driver Alert Packages I & II.
With a powerful V8, premium audio, head-up display, adaptive cruise control, and off-road suspension, this is the ultimate combination of capability, safety, and comfort.
Key Packages & Premium Features:
AT4 Preferred Package:
Premium Bose 7-Speaker Sound System
Wireless Charging & Universal Home Remote
GMC Infotainment System w/ Navigation & SiriusXM w/360L
Power Sliding Rear Window with Rear Defogger
AT4 Premium Package:
High Clearance Assist Steps (LPO)
Spray-On Bedliner with AT4 Logo
Hard-Folding Tonneau Cover (LPO)
Power Sunroof
Driver Alert Package I & II:
Lane Change Alert w/ Side Blind Zone Alert
Rear Cross Traffic Alert
Ultrasonic Front & Rear Park Assist
Adaptive Cruise Control
Forward Collision Alert & Automatic Emergency Braking
Lane Keep Assist w/ Lane Departure Warning
Safety Alert Seat & IntelliBeam Automatic High Beams
Technology Package:
15″ Multicolor Head-Up Display
Rear Camera Mirror
HD Surround Vision with 2 Trailer View Camera Provisions
Bed View Camera
8″ Driver Info Center Display
Interior & Comfort:
Heated & Ventilated Front Leather Seats
Heated Rear Outboard Seats
Heated Steering Wheel
10-Way Power Driver & Passenger Seats with Lumbar
Dual-Zone Automatic Climate Control
Floor Liners with AT4 Logo (All-Weather + Carpet Inserts)
MultiPro Tailgate with Integrated Kicker Audio System
Performance & Utility:
Off-Road Suspension Package
3.23 Rear Axle Ratio | 220 Amp Alternator
Integrated Trailer Brake Controller
Hitch Guidance with Hitch View
In-Vehicle Trailering App
Auto-Locking Rear Differential
18″ Machined Aluminum Wheels
Red Front Tow Hooks | LED Cargo Lighting
Engine Block Heater
Technology & Connectivity:
Apple CarPlay & Android Auto
4G LTE Wi-Fi Hotspot Capable
Remote Vehicle Start
Keyless Open & Push-Button Start
OnStar & GMC Connected Services Ready
Why Buy This 2021 GMC Sierra AT4?
Clean Title No Accidents
Fully Loaded with ALL Major Packages
Luxury + Off-Road Capability
Tech-Forward Safety Features
Tonneau Cover + Bedliner + Sunroof + Cameras
Available Now at Jacksonville Fl
Looking for a loaded off-road truck that doesn’t sacrifice comfort or technology? This 2021 Sierra 1500 AT4 has everything from trailering features to driver assistance, all wrapped in premium style.
Call us at 904 387 6541 or
Visit duvalford.com to schedule a test drive today!
Standard Features
- AT4 Preferred Package
- AT4 Premium Package
- Driver Alert Package I
- Driver Alert Package II
- Preferred Equipment Group 4SB
- Technology Package
- Trailering Package
- 6 Speakers
- 6-Speaker Audio System Feature
- AM/FM radio: SiriusXM with 360L
- MultiPro Audio System by Kicker
- Premium audio system: GMC Infotainment System
- Premium Bose 7-Speaker Sound System
- Radio data system
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- Radio: Premium GMC Infotainment Sys w/Navigation
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Memory seat
- Power driver seat
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Power steering
- Power windows
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Universal Home Remote
- Auto-Locking Rear Differential
- Electrical Lock Control Steering Column
- Manual Tilt-Wheel & Telescoping Steering Column
- Off-Road Suspension
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Keyless Open & Start
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Power Door Locks
- Power Sunroof
- Brake assist
- Electronic Stability Control
- Hill Descent Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Perimeter Lighting
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Adaptive Cruise Control
- Speed control
- 170 Amp Alternator
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Engine Block Heater
- Heavy-Duty Air Filter
- AT4 High Clearance Step (LPO)
- Auto-dimming door mirrors
- Body-Color Surround Grille
- Bumpers: body-color
- Heated door mirrors
- IntelliBeam Automatic High Beam On/Off
- LED Cargo Area Lighting
- Power door mirrors
- ProGrade Trailering System
- Rear step bumper
- Rear Wheelhouse Liners
- Spray-On Pickup Bed Liner w/AT4 Logo
- 2 USB Ports
- 2 USB Ports (1st Row)
- 4.2″ Diagonal Color Display Driver Info Center
- 4G LTE Wi-Fi Hotspot Capable
- 8″ Driver Information Center
- All-Weather Floor Liners w/AT4 Logo (LPO)
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Automatic Emergency Braking
- Bed View Camera
- Color-Keyed Carpeting Floor Covering
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- Front Prem Floor Liners w/Removable Carpet Insert
- Front reading lights
- GMC Connected Access Capable
- HD Rear Vision Camera
- HD Surround Vision w/2 Trailer View Camera Provisions
- Heated steering wheel
- Illuminated entry
- Lane Change Alert w/Side Blind Zone Alert
- Lane Keep Assist w/Lane Departure Warning
- Multicolor 15″ Diagonal Head-Up Display
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Camera Mirror
- Rear Cross Traffic Alert
- Rear Dual USB Charging-Only Ports
- Rear Prem Floor Liners w/Removable Carpet Insert
- Rear reading lights
- Rear seat center armrest
- Safety Alert Seat
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Voltmeter
- Wireless Charging
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Front Center Armrest
- Heated 2nd Row Outboard Seats
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Perforated Leather-Appointed Front Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Ventilated front seats
- Hard-Folding Tonneau Cover (LPO)
- Passenger door bin
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- Integrated Trailer Brake Controller
- Red Recovery Hooks
- Trailer Tire Pressure Monitor System
- 18″ x 8.5″ Machined Aluminum Wheels
- Alloy wheels
- Deep-Tinted Glass
- Power Sliding Rear Window w/Rear Defogger
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- **One OWNER **
- **Bluetooth® HANDS FREE**
- **BACK-UP CAMERA!!
- **LEATHER!!
- **HEATED SEATS!!
- **COMMISSION FREE SALES PEOPLE
- **1st OIL CHANGE FREE
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VEHICLE DATA
Certain specifications, prices and equipment data have been provided under license from Chrome Data Solutions (\’Chrome Data\’). © 2025 Chrome Data Solutions, LP. All Rights Reserved. This information is supplied for personal use only and may not be used for any commercial purpose whatsoever without the express written consent of Chrome Data. Chrome Data makes no guarantee or warranty, either expressed or implied, including without limitation any warranty of merchantability or fitness for particular purpose, with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.
ESTIMATE MPG
EPA mileage ratings are supplied by Chrome Data Solutions, LP for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.
Based on 2019 EPA mileage ratings. Your MPGe/MPG and driving range will vary depending on driving conditions, how you drive and maintain your vehicle, battery-pack age/condition, and other factors.
PRICING
Vehicle pricing is believed to be accurate. Tax, title and registration are not included in prices shown unless otherwise stated. Manufacturer incentives may vary by region and are subject to change. Vehicle information & features are based upon standard equipment and may vary by vehicle. Monthly payments may be higher or lower based upon incentives, qualifying programs, credit qualifications, residency & fees. No claims, or warranties are made to guarantee the accuracy of vehicle pricing, payments or actual equipment. Call to confirm accuracy of any information.
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