2021 GMC Sierra 1500 AT4 4WD 3.0L I6
Recent Arrival!
⢠3.0L Duramax turbo-diesel I6 engine with 10-speed automatic transmission.
⢠4WD with an automatic locking rear differential.
⢠Premium audio system and leather seating.
⢠Climate-controlled front seats and heated outboard rear seats.
⢠Dual-zone automatic climate control with rear air vents.
⢠Power 10-way front bucket seats with power lumbar support.
⢠Driver memory seat settings.
⢠Rearview camera for easier backing up.
⢠Cruise control, hill descent control, and hill-start assist.
⢠60/40 split-folding rear bench seat for added cargo flexibility.
⢠EZ-Lift manual tailgate.
⢠18-inch machined aluminum wheels.
⢠Daytime running lights.
⢠Teen Driver mode and tire pressure monitoring system.
⢠8,800-lb towing capacity.
⢠Estimated fuel economy of 22 city / 26 highway mpg.
Used 2021 GMCSierra 1500 AT4
- Diesel
- Exterior Color
- Black
- Interior Color
- Jet Black
- Odometer
- 92,309 miles
- Body/Seating
- Truck/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- 3.0L I6
- VIN
- 1GTU9EET8MZ235710
- Stock Number
- 25T3327B
Highlighted Features
- Leather upholstery
- Automatic temperature control
- Wireless phone connectivity
- Front dual zone A/C
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
- Heated front seats
- Ventilated front seats
- Perimeter/approach lights
- Remote keyless entry
- Heated steering wheel
Included Packages & Accessories
- 6 Speakers
- AM/FM radio: SiriusXM with 360L
- Premium audio system: GMC Infotainment System
- Radio data system
- 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
- 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
- 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
- Brake assist
- Electronic Stability Control
- Hill Descent Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- 170 Amp Alternator
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Block heater
- Engine Block Heater
- Heavy-Duty Air Filter
- Auto-dimming door mirrors
- Body-Color Surround Grille
- Bumpers: body-color
- Heated door mirrors
- LED Cargo Area Lighting
- Power door mirrors
- 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
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Color-Keyed Carpeting Floor Covering
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Front reading lights
- GMC Connected Access Capable
- HD Rear Vision Camera
- Heated steering wheel
- Illuminated entry
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Dual USB Charging-Only Ports
- 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 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
- Passenger door bin
- Integrated Trailer Brake Controller
- Red Recovery Hooks
- 18" x 8.5" Machined Aluminum Wheels
- Alloy wheels
- Deep-Tinted Glass
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- ** Back-up Camera
- Trailering Package
- 6-Speaker Audio System Feature
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- SiriusXM w/360L
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- ProGrade Trailering System
- Front Prem Floor Liners w/Removable Carpet Insert
- Rear Prem Floor Liners w/Removable Carpet Insert
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
Standard Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Primary LCD size: 8.0"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Block heater
- Drive type: four-wheel
- Engine location: front
- Fuel economy city: 22mpg
- Fuel economy combined: 24mpg
- Fuel economy highway: 26mpg
- Fuel tank capacity: 24.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: diesel
- Transmission: 10 speed automatic
- Variable intake manifold
- Variable valve control
- Ground clearance (min): 272mm (10.7")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch receiver
- Trailer sway control
- Curb weight: 2,508kg (5,530lbs)
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,987mm (78.2")
- Exterior length: 6,126mm (241.2")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- GVWR: 3,221kg (7,100lbs)
- Payload: 699kg (1,540lbs)
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,655mm (65.2")
- Wheelbase: 3,988mm (157.0")
- Appearance: analog
- Compass
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Standard Features
- 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
- 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