2021 GMC Sierra 2500HD AT4
6.6L V8,
AT4,
6-Speed Automatic,
# HP4491A
VIN
1GT49PE79MF105208
Mileage
84,654
Sale Price
$54,995
8 Cyl
6-Speed Automatic
Jet Black With Kalahari Accents Interior
4D Crew Cab
4WD
Vehicle info
Stock |
HP4491A |
VIN |
1GT49PE79MF105208 |
Dealer |
Cecil Atkission Ford - Hondo |
Type |
Used |
Year |
2021 |
Make |
GMC |
Model |
Sierra 2500HD |
Mileage |
84,654 |
Dealer Certified |
No |
Certified |
No |
Date in Stock |
12/29/2025 |
Trim |
AT4 |
Model Number |
TK20743 |
Body |
4D Crew Cab |
Body Style |
4D Crew Cab |
Transmission |
6-Speed Automatic |
Transmission Description |
6-Speed Automatic |
Doors |
4 |
Cylinders |
8 |
Description |
6.6L V8 |
Drivetrain |
4WD |
Fuel Type |
Gasoline |
Exterior Color |
Onyx Black |
Interior Color |
Jet Black With Kalahari Accents |
Upholstery |
Leather |
Portions of the data provided are © 2026 Autodata, Inc. dba ChromeData
EQUIPMENT DETAIL
Generic
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- 18" Machined Aluminum Wheels
- 2 USB Ports
- 2 USB Ports (1st Row)
- 2-Speed Active Transfer Case
- 20" Machined Aluminum Wheels
- 2nd Row Dual USB Charge-Only Ports
- 3.73 Rear Axle Ratio
- 4-Wheel Disc Brakes
- 4.2" Diagonal Color Display Driver Info Center
- 4G LTE Wi-Fi Hotspot Capable
- 6 Speakers
- 6-Speaker Audio System Feature
- 8" Multicolor Driver Information Center
- ABS brakes
- Air Conditioning
- Alloy wheels
- AM/FM radio: SiriusXM with 360L
- Apple CarPlay/Android Auto
- AT4 High Clearance Step (LPO)
- AT4 Preferred Package
- AT4 Premium Plus Package
- Auto-dimming door mirrors
- Auto-dimming Rear-View mirror
- Automatic Emergency Braking
- Automatic temperature control
- Bed View Camera w/2 Trailer Camera Provisions
- Bose Premium 7 Speaker Sound System
- Brake assist
- Bumpers: body-color
- Compass
- Compass Located In Instrument Cluster
- Deep-Tinted Glass
- Delay-off headlights
- Driver Alert Package I
- Driver Alert Package II
- Driver door bin
- Driver Memory
- Driver vanity mirror
- Dual front impact airbags
- Dual front side impact airbags
- Electric Rear-Window Defogger
- Electrical Lock Control Steering Column
- Electronic Stability Control
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- Front anti-roll bar
- Front Bucket Seats
- Front Center Armrest
- Front dual zone A/C
- Front fog lights
- Front License Plate Kit
- Front Prem Floor Liners w/Removable Carpet Insert
- Front reading lights
- Front wheel independent suspension
- Fully automatic headlights
- GMC Connected Access Capable
- HD Radio
- HD Rear Vision Camera
- HD Surround Vision
- Heated & Ventilated Front Bucket Seats
- Heated 2nd Row Outboard Seats
- Heated door mirrors
- Heated Driver & Front Outboard Passenger Seats
- Heated front seats
- Heated rear seats
- Heated steering wheel
- Heavy-Duty 80 Amp Battery
- Hill Descent Control
- Hitch Guidance w/Hitch View
- Illuminated entry
- In-Vehicle Trailering System App
- Inside Rearview Auto-Dimming Rear Camera Mirror
- Integrated Trailer Brake Controller
- IntelliBeam Automatic High Beam On/Off
- Keyless Open & Start
- Lane Change Alert w/Side Blind Zone Alert
- Lane Departure Warning System
- LED Cargo Area Lighting
- LED Smoked Amber Roof Marker Lamps
- Low tire pressure warning
- Manual Tilt-Wheel/Telescoping Steering Column
- Memory seat
- Multicolor 15" Diagonal Head-Up Display
- Occupant sensing airbag
- Off-Road Suspension
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead airbag
- Overhead console
- Painted Black Surround Grille
- Panic alarm
- Passenger door bin
- Passenger vanity mirror
- Perforated Leather-Appointed Front Seat Trim
- Pickup Box
- Power Door Locks
- Power door mirrors
- Power driver seat
- Power Front Passenger Windows w/Express Up/Down
- Power passenger seat
- Power Rear Windows w/Express Down
- Power Sliding Rear Window w/Defogger
- Power steering
- Power Sunroof
- Power windows
- Power Windows w/Driver Express Up/Down
- Preferred Equipment Group 4SB
- Premium audio system: Premium GMC Infotainment System
- Radio: AM/FM w/Premium GMC Infotainment System
- Radio: Premium GMC Infotainment Sys w/Navigation
- Rear Cross Traffic Alert
- Rear Prem Floor Liners w/Removable Carpet Insert
- Rear reading lights
- Rear seat center armrest
- Rear step bumper
- Rear Wheelhouse Liners
- Rear window defroster
- Red Recovery Hooks
- Remote keyless entry
- Remote Vehicle Starter System
- Safety Alert Seat
- Security system
- SiriusXM w/360L
- Speed control
- Speed-sensing steering
- Split folding rear seat
- Spray-On Pickup Box Bed Liner w/AT4 Logo
- Steering Wheel Audio Controls
- Steering wheel mounted audio controls
- Tachometer
- Technology Package
- Telescoping steering wheel
- Tilt steering wheel
- Traction control
- Trip computer
- Turn signal indicator mirrors
- Ultrasonic Front & Rear Park Assist
- Unauthorized Entry Theft-Deterrent System
- Universal Home Remote
- Variably intermittent wipers
- Ventilated front seats
- Voltmeter
- Wireless Charging
- Wireless Phone Projection
- X31 Off-Road Package
ABOUT THIS VEHICLE
2021 GMC Sierra 2500HD AT4
Odometer: 84,654
Engine: 6.6L V8
Color: Onyx Black
Interior: Jet Black With Kalahari Accents Leather
Technical
Off-Road Suspension
Heavy-Duty 80 Amp Battery
Manual Tilt-Wheel/Telescoping
Steering Column
Traction control
Speed-sensing steering
Transmission: 6-Speed Automatic
VIN: 1GT49PE79MF105208
Stock #: HP4491A
Drivetrain: 4WD
Safety Alert Seat
Wireless Charging
Exterior
18" Machined Aluminum Wheels
20" Machined Aluminum Wheels
Power Sunroof
Interior
Perforated Leather-Appointed
Front Seat Trim
10-Way Power Driver Seat Adjuster
w/Lumbar
Electric Rear-Window Defogger
Front Prem Floor Liners
w/Removable Carpet Insert
OnStar & GMC Connected Services
Capable
120-Volt Instrument Panel Power
Outlet
Bed View Camera w/2 Trailer
Camera Provisions
Inside Rearview Auto-Dimming
Rear Camera Mirror
Driver Memory
10-Way Power Passenger Seat
Adjuster w/Lumbar
GMC Connected Access Capable
Power Windows w/Driver Express
Up/Down
Rear Prem Floor Liners
w/Removable Carpet Insert
Remote Vehicle Starter System
Compass Located In Instrument
Cluster
Floor-Mounted Center Console
Spray-On Pickup Box Bed Liner
w/AT4 Logo
Deep-Tinted Glass
Front License Plate Kit
LED Smoked Amber Roof Marker
Lamps
LED Cargo Area Lighting
Pickup Box
AT4 High Clearance Step (LPO)
Integrated Trailer Brake Controller
Power Sliding Rear Window
w/Defogger
Power Front Passenger Windows
w/Express Up/Down
Power Rear Windows w/Express
Down
Rear Wheelhouse Liners
Painted Black Surround Grille
Hitch Guidance w/Hitch View
IntelliBeam Automatic High Beam
On/Off
Electronic
Radio: AM/FM w/Premium GMC
Infotainment System
Radio: Premium GMC
Infotainment Sys w/Navigation
SiriusXM w/360L
HD Radio
Universal Home Remote
Steering Wheel Audio Controls
Bose Premium 7 Speaker Sound
System
6-Speaker Audio System Feature
Premium audio system: Premium
GMC Infotainment System
AM/FM radio: SiriusXM with 360L
6 Speakers
Safety
Keyless Open & Start
Power Door Locks
Hill Descent Control
Electrical Lock Control Steering
Column
Lane Departure Warning System
Unauthorized Entry Theft
Deterrent System
4-Wheel Disc Brakes
Security system
Panic alarm
Overhead airbag
Occupant sensing airbag
Low tire pressure warning
Front wheel independent
suspension
Front anti-roll bar
Dual front side impact airbags
Dual front impact airbags
Brake assist
ABS brakes
Additiona