This rugged and capable 2021 GMC Sierra 1500 AT4 is ready to take on any adventure. Equipped with an EcoTec3 5.3L V8 engine and 10-speed automatic transmission, this 4WD truck delivers impressive power and performance.
- ADAPTIVE CRUISE
- APPLE CARPLAY/ ANDROID AUTO
- BACKUP CAMERA
- BLUETOOTH
- NAVIGATION
- REMOTE START
- SUNROOF
This Sierra AT4 is also packed with premium features like the Bose 7-speaker audio system, wireless charging, and a head-up display. The off-road-tuned suspension and locking rear differential ensure confident handling on any terrain.
Certified by GMC, this Sierra 1500 AT4 has been meticulously inspected and comes with the peace of mind of remaining factory warranty coverage. With just 61,017 miles, this like-new truck represents an exceptional value.
Discover the ultimate in capability, technology, and comfort with this 2021 GMC Sierra 1500 AT4. Schedule a test drive today and experience the difference.
Certified Pre-Owned 2021 GMCSierra 1500 AT4
- Exterior Color
- Steel Metallic
- Interior Color
- Jet Black
- Odometer
- 61,017 miles
- Fuel Economy
- 16/21 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GTP9EED4MZ209384
- Stock Number
- 04P2254
Included Packages & Accessories
- 6 Speakers
- AM/FM radio: SiriusXM with 360L
- Premium audio system: GMC Infotainment System
- Radio data system
- Air Conditioning
- Automatic temperature control
- Front dual zone A/C
- Rear window defroster
- Memory seat
- Power driver seat
- Power steering
- Power windows
- Remote keyless entry
- Steering wheel mounted audio controls
- 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
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Power Sunroof
- Brake assist
- Electronic Stability Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- AT4 High Clearance Step (LPO)
- Auto-dimming door mirrors
- Bumpers: body-color
- Front License Plate Kit
- Heated door mirrors
- Power door mirrors
- Rear step bumper
- 2 USB Ports (1st Row)
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Driver door bin
- Driver vanity mirror
- Front reading lights
- Heated steering wheel
- Illuminated entry
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Voltmeter
- Front Center Armrest
- Heated 2nd Row Outboard Seats
- Heated front seats
- Perforated Leather-Appointed Front Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated front seats
- Passenger door bin
- 18" x 8.5" Machined Aluminum Wheels
- Alloy wheels
- Wheels: 20" x 9" Machined Aluminum
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- ** SUNROOF
- ** APPLE CARPLAY/ ANDROID AUTO
- ** REMOTE START
- ** BACKUP CAMERA
- ** NAVIGATION
- ** ADAPTIVE CRUISE
- ** BLUETOOTH
- AT4 Preferred Package
- AT4 Premium Package
- Driver Alert Package I
- Driver Alert Package II
- Preferred Equipment Group 4SB
- Technology Package
- Trailering Package
- 6-Speaker Audio System Feature
- Premium Bose 7-Speaker Sound System
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- Radio: Premium GMC Infotainment Sys w/Navigation
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Electric Rear-Window Defogger
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Remote Vehicle Starter System
- Universal Home Remote
- Auto-Locking Rear Differential
- Electrical Lock Control Steering Column
- Manual Tilt-Wheel & Telescoping Steering Column
- Off-Road Suspension
- Keyless Open & Start
- Power Door Locks
- Hill Descent Control
- Perimeter Lighting
- Adaptive Cruise Control
- 170 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Heavy-Duty Air Filter
- Body-Color Surround Grille
- IntelliBeam Automatic High Beam On/Off
- LED Cargo Area Lighting
- ProGrade Trailering System
- Rear Wheelhouse Liners
- Spray-On Pickup Bed Liner w/AT4 Logo
- 2 USB Ports
- 4.2" Diagonal Color Display Driver Info Center
- 4G LTE Wi-Fi Hotspot Capable
- 8" Driver Information Center
- Automatic Emergency Braking
- Bed View Camera
- Color-Keyed Carpeting Floor Covering
- Compass
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- Front Prem Floor Liners w/Removable Carpet Insert
- GMC Connected Access Capable
- HD Rear Vision Camera
- HD Surround Vision w/2 Trailer View Camera Provisions
- 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
- Rear Camera Mirror
- Rear Cross Traffic Alert
- Rear Dual USB Charging-Only Ports
- Rear Prem Floor Liners w/Removable Carpet Insert
- Safety Alert Seat
- Ultrasonic Front & Rear Park Assist
- Wireless Charging
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Heated Driver & Front Outboard Passenger Seating
- Ventilated Driver & Front Passenger Seats
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- Integrated Trailer Brake Controller
- Red Recovery Hooks
- Deep-Tinted Glass
- Power Sliding Rear Window w/Rear Defogger
Detailed Specifications
- 1st and 2nd row curtain head airbags
- 4-wheel ABS Brakes
- ABS and Driveline Traction Control
- Anti-theft alarm system
- Audio System Premium Brand: GMC Infotainment System
- Audio controls on steering wheel
- Automatic front air conditioning
- Auxilliary engine cooler
- Bluetooth wireless phone connectivity
- Braking Assist
- Bucket front seats
- Climate Controlled : Driver and passenger heated
- Compass
- Cruise control
- Cruise controls on steering wheel
- Daytime running lights
- Digital Audio Input
- Driver seat memory
- Driver's side electrochromatic auto-dimming mirrors
- Dual front air conditioning zones
- Dual illuminated vanity mirrors
- Dual reverse tilt mirrors
- Electrochromatic rearview mirror
- External temperature display
- Fold-up cushion rear seats
- Front Ventilated disc brakes
- Front and rear reading lights
- Front fog/driving lights
- Fuel Consumption: City: 16 mpg
- Fuel Consumption: Highway: 21 mpg
- Heated driver mirror
- Heated passenger mirror
- Heated steering wheel
- Leather seat upholstery
- Leather/metal-look steering wheel trim
- Machined aluminum rims w/ painted accents
- Manufacturer's 0-60mph acceleration time (seconds): 6.1 s
- Memorized Settings for 2 drivers
- Memorized Settings including door mirror(s)
- Metal-look dash trim
- Passenger Airbag
- Power remote w/tilt down driver mirror adjustment
- Power remote w/tilt down passenger mirror adjustment
- Power retractable mirrors
- Power windows
- Premium GMC Infotainment System
- Privacy glass: Deep
- Radio Data System
- Rear seats center armrest
- Remote Engine Start : Keyfob remote start
- Remote power door locks
- Remote window operation
- Side airbag
- Simulated wood/metal-look door trim
- SiriusXM with 360L AM/FM/HD/Satellite
- SiriusXM with 360L Satellite Radio
- Speed-proportional electric power steering
- Split rear bench
- Stability controll with anti-roll
- Suspension class: Off-road
- Tachometer
- Tilt and telescopic steering wheel
- Total Number of Speakers: 6
- Trailer hitch
- Trip computer
- Urethane shift knob trim
- Video Monitor Location: Front
- Wheel Diameter: 18
- Wheel Width: 8.5
Standard Features
- AT4 Preferred Package
- Driver Alert Package I
- HD Surround Vision w/2 Trailer View Camera Provisions
- Rear Camera Mirror
- Bed View Camera
- Multicolor 15" Diagonal Head-Up Display
- 8" Driver Information Center
- Universal Home Remote
- Power Sliding Rear Window w/Rear Defogger
- Radio: Premium GMC Infotainment Sys w/Navigation
- Premium Bose 7-Speaker Sound System
- Wireless Charging
- Forward Collision Alert
- Lane Keep Assist w/Lane Departure Warning
- Automatic Emergency Braking
- Front Pedestrian Braking
- IntelliBeam Automatic High Beam On/Off
- Adaptive Cruise Control
- Following Distance Indicator
- Safety Alert Seat
- Ultrasonic Front & Rear Park Assist
- Lane Change Alert w/Side Blind Zone Alert
- Rear Cross Traffic Alert
- Perimeter Lighting
- SiriusXM w/360L
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Driver Memory
- Rear Prem Floor Liners w/Removable Carpet Insert
- 120-Volt Bed Mounted Power Outlet
- 6-Speaker Audio System Feature
- SiriusXM w/360L
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- Floor-Mounted Center Console
- Compass
- 4.2" Diagonal Color Display Driver Info Center
- Electric Rear-Window Defogger
- Power Door Locks
- Remote Vehicle Starter System
- Keyless Open & Start
- Color-Keyed Carpeting Floor Covering
- Front Prem Floor Liners w/Removable Carpet Insert
- OnStar & GMC Connected Services Capable
- 4G LTE Wi-Fi Hotspot Capable
- GMC Connected Access Capable
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Instrument Panel Power Outlet
- 2 USB Ports
- Rear Dual USB Charging-Only Ports
- HD Rear Vision Camera
- Heated Driver & Front Outboard Passenger Seating
- Ventilated Driver & Front Passenger Seats
- Steering Wheel Audio Controls
- Manual Tilt-Wheel & Telescoping Steering Column
- Electrical Lock Control Steering Column
- Power Front Windows w/Driver Express Up/Down
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- Spray-On Pickup Bed Liner w/AT4 Logo
- Deep-Tinted Glass
- Body-Color Surround Grille
- LED Cargo Area Lighting
- Red Recovery Hooks
- Rear Wheelhouse Liners
- Trailering Package
- ProGrade Trailering System
- 170 Amp Alternator
- Heavy-Duty Air Filter
- Auxiliary External Transmission Oil Cooler
- Auto-Locking Rear Differential
- Hill Descent Control
- Off-Road Suspension
- Integrated Trailer Brake Controller
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
Dealer Notes
KBB.com Consumer Reviews
Vehicle Information & Availability
Vehicle listings on this website are provided for general informational purposes. While every effort has been made to
ensure accurate display of vehicle information, including equipment, accessories, colors, and specifications, data is
sourced from multiple providers and may not always reflect the exact configuration of a specific vehicle. Vehicle photos may be representative examples of the model and may not depict the actual unit available for sale. Accessories and colors may vary. All inventory is subject to prior sale.Vehicles may be transferred between Kunes Auto Group locations at customer request. A transfer fee of $300 will be
added to the purchase transaction to cover transportation costs when a vehicle is moved from its listed location. To avoid this fee, customers may take delivery of the vehicle at the dealership where it is currently listed for sale.Fuel Economy (EPA) RatingsAny fuel economy figures shown are based on the model year EPA mileage ratings and are provided for comparison
purposes only. Your actual fuel economy will vary depending on how you drive and maintain your vehicle, driving
conditions, vehicle load, climate, and other factors. For hybrid and plug-in hybrid vehicles, fuel economy will also vary based on battery pack age and condition. For more information about EPA fuel economy ratings, visit https://www.fueleconomy.gov.
General DisclaimerAll information on this website is provided on an “as is” basis without warranty of any kind, express or implied. Kunes Auto Group and its third-party data providers are not responsible for errors or omissions in vehicle listings, pricing, or incentive information. Nothing on this website constitutes a binding offer or contract. All sales are subject to a written purchase agreement signed by both the customer and an authorized Kunes Auto Group representative. This disclaimer applies to all Kunes Auto Group dealership locations in Illinois, Wisconsin, Iowa, and Minnesota and is subject to change without notice.If you have questions about any information on this website or would like clarification on fees, financing, or vehicle details, please contact your local Kunes Auto Group dealership. We are happy to walk you through all terms and charges before you make any decisions. Disclaimer Updated - May 2026
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All vehicle prices shown on this website are for informational purposes only and do not include applicable taxes, title fees, or license fees, which will be due at the time of signing. The advertised price does include our document service fee (referred to in Wisconsin as a Dealer Service Fee) and a mandatory eFiling fee. Document service fees are $377.63 in Illinois, $350.00 in Minnesota, $180.00 in Iowa, and $599.00 in Wisconsin. The eFiling fee displayed assumes the buyer resides in the same state as the dealership location, and are as follows: Illinois residents - $35, Iowa residents - $15, Minnesota residents - $60, Wisconsin residents - $38. If you are an out-of-state resident, your actual eFiling fee may differ and will be confirmed by a Kunes associate prior to finalizing your purchase. While Kunes Auto Group makes every effort to ensure that advertised prices are accurate, pricing errors may occur. All prices are subject to change without notice. The price you pay will be determined at the time of sale and confirmed in your written purchase agreement. Please contact your local Kunes dealership to verify current pricing before visiting. Rebates, Incentives & Advertised Discounts, Advertised rebates, incentives, and discounts are subject to change or expiration without notice and may be subject to eligibility restrictions, including residency requirements, financing source requirements, and vehicle or trim level eligibility. Some incentives require financing through the manufacturer's captive lender or are available only to residents of specific states or regions. Kunes Auto Group works to ensure that advertised incentives are current and accurate; however, we cannot guarantee their availability at the time of your purchase. Please contact a Kunes associate to confirm which incentives apply to your specific vehicle and situation.
All vehicle prices shown on this website are for informational purposes only and do not include applicable taxes, title fees, or license fees, which will be due at the time of signing. The advertised price does include our document service fee (referred to in Wisconsin as a Dealer Service Fee) and a mandatory eFiling fee. Document service fees are $377.63 in Illinois, $350.00 in Minnesota, $180.00 in Iowa, and $599.00 in Wisconsin. The eFiling fee displayed assumes the buyer resides in the same state as the dealership location, and are as follows: Illinois residents - $35, Iowa residents - $15, Minnesota residents - $60, Wisconsin residents - $38. If you are an out-of-state resident, your actual eFiling fee may differ and will be confirmed by a Kunes associate prior to finalizing your purchase. While Kunes Auto Group makes every effort to ensure that advertised prices are accurate, pricing errors may occur. All prices are subject to change without notice. The price you pay will be determined at the time of sale and confirmed in your written purchase agreement. Please contact your local Kunes dealership to verify current pricing before visiting. Rebates, Incentives & Advertised Discounts, Advertised rebates, incentives, and discounts are subject to change or expiration without notice and may be subject to eligibility restrictions, including residency requirements, financing source requirements, and vehicle or trim level eligibility. Some incentives require financing through the manufacturer's captive lender or are available only to residents of specific states or regions. Kunes Auto Group works to ensure that advertised incentives are current and accurate; however, we cannot guarantee their availability at the time of your purchase. Please contact a Kunes associate to confirm which incentives apply to your specific vehicle and situation.
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Vehicle Information & Availability
Vehicle listings on this website are provided for general informational purposes. While every effort has been made to ensure accurate display of vehicle information, including equipment, accessories, colors, and specifications, data is sourced from multiple providers and may not always reflect the exact configuration of a specific vehicle. Vehicle photos may be representative examples of the model and may not depict the actual unit available for sale. Accessories and colors may vary. All inventory is subject to prior sale. Vehicles may be transferred between Kunes Auto Group locations at customer request. A transfer fee of $300 will be added to the purchase transaction to cover transportation costs when a vehicle is moved from its listed location. To avoid this fee, customers may take delivery of the vehicle at the dealership where it is currently listed for sale.