2021 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Summit White
4WD
Diesel
177,841 Miles
Jet Black w/Kalahari Accents
HTTB040128B
1GT49PEY4MF207802
2500
Leather
AT4
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
Power, luxury and capability come together in this 2021 GMC Sierra 2500 AT4 4WD with the mighty 6.6L V8 Duramax diesel — now available in Tomball, TX at the best price. This GMC Sierra AT4 delivers serious towing and hauling muscle while wrapped in premium comfort and off-road-ready refinement. The leather seats provide first-class comfort for long drives, while the heated steering wheel keeps cold mornings comfortable. Technology and convenience are built in: the back-up camera enhances visibility for tight maneuvers, hands-free Bluetooth keeps you connected safely on the road, and remote start warms up or cools down the cabin before you step inside.
With its robust diesel V8 and four-wheel drive, this GMC Sierra 2500 AT4 is ideal for heavy-duty work, weekend adventures, and smart daily driving. The AT4 trim adds rugged styling and capability, so you'll feel confident off the beaten path without sacrificing on-road comfort. This truck has been priced to move — you won't find a better value for a diesel-powered, fully equipped GMC Sierra 2500 AT4 in the Tomball area.
Whether you need a dependable workhorse or a comfortable, feature-rich truck for family and recreation, this 2021 GMC Sierra 2500 AT4 checks every box. Schedule a test drive today to experience the power, comfort, and value of this diesel-powered 4WD powerhouse.
Additional Information
We make every effort to provide accurate information but please verify options and price with management before purchasing. All vehicles are subject to prior sale. All financing is subject to approved credit. Dealer installed options are additional. Stock photo colors, options and trim levels may vary. Not responsible for typographical errors. Published price subject to change without notice to correct errors and omissions or in the event of inventory fluctuations. Vehicle offers/prices & internet price quotes valid for 48 hours from initial posting date, subject to change by dealer/manufacturer without notice. Vehicles may be in transit to dealer. Vehicle photos may not match exact vehicle. Please call to confirm availability status. All prices exclude taxes, title, license, and a $225 documentation fee.
Model tested with standard side airbags (SAB). Government 5-Star Safety Ratings are part of the National Highway Traffic Safety Administration (NHTSA). New Car Assessment Program (www.safercar.gov).
**Based on model year EPA mileage ratings. 2025 Honda Prologue Range Rating: 308 mile EPA Range Rating for EX (FWD) and Touring (FWD). 294 mile EPA Range Rating for EX (AWD) and Touring (AWD). 283 mile EPA Range Rating for Elite (AWD). Use for comparison purposes only. Actual range will vary based on several factors, including temperature, terrain, battery age & condition, loading, use and maintenance.
Come experience the brand-new Honda of Tomball, where everything we do is centered around you! Our service department is here for you until 10:00pm Monday through Friday, and from 7:00am to 7:00pm on the weekends including Sunday! Complementary car wash with every service. The peace of mind from doing business with the Pohanka dealer group, which has been serving clients like you since 1919!
Power, luxury and capability come together in this 2021 GMC Sierra 2500 AT4 4WD with the mighty 6.6L V8 Duramax diesel — now available in Tomball, TX at the best price. This GMC Sierra AT4 delivers serious towing and hauling muscle while wrapped in premium comfort and off-road-ready refinement. The leather seats provide first-class comfort for long drives, while the heated steering wheel keeps cold mornings comfortable. Technology and convenience are built in: the back-up camera enhances visibility for tight maneuvers, hands-free Bluetooth keeps you connected safely on the road, and remote start warms up or cools down the cabin before you step inside.
With its robust diesel V8 and four-wheel drive, this GMC Sierra 2500 AT4 is ideal for heavy-duty work, weekend adventures, and smart daily driving. The AT4 trim adds rugged styling and capability, so you'll feel confident off the beaten path without sacrificing on-road comfort. This truck has been priced to move — you won't find a better value for a diesel-powered, fully equipped GMC Sierra 2500 AT4 in the Tomball area.
Whether you need a dependable workhorse or a comfortable, feature-rich truck for family and recreation, this 2021 GMC Sierra 2500 AT4 checks every box. Schedule a test drive today to experience the power, comfort, and value of this diesel-powered 4WD powerhouse.
Additional Information
We make every effort to provide accurate information but please verify options and price with management before purchasing. All vehicles are subject to prior sale. All financing is subject to approved credit. Dealer installed options are additional. Stock photo colors, options and trim levels may vary. Not responsible for typographical errors. Published price subject to change without notice to correct errors and omissions or in the event of inventory fluctuations. Vehicle offers/prices & internet price quotes valid for 48 hours from initial posting date, subject to change by dealer/manufacturer without notice. Vehicles may be in transit to dealer. Vehicle photos may not match exact vehicle. Please call to confirm availability status. All prices exclude taxes, title, license, and a $225 documentation fee.
Model tested with standard side airbags (SAB). Government 5-Star Safety Ratings are part of the National Highway Traffic Safety Administration (NHTSA). New Car Assessment Program (www.safercar.gov).
**Based on model year EPA mileage ratings. 2025 Honda Prologue Range Rating: 308 mile EPA Range Rating for EX (FWD) and Touring (FWD). 294 mile EPA Range Rating for EX (AWD) and Touring (AWD). 283 mile EPA Range Rating for Elite (AWD). Use for comparison purposes only. Actual range will vary based on several factors, including temperature, terrain, battery age & condition, loading, use and maintenance.
Come experience the brand-new Honda of Tomball, where everything we do is centered around you! Our service department is here for you until 10:00pm Monday through Friday, and from 7:00am to 7:00pm on the weekends including Sunday! Complementary car wash with every service. The peace of mind from doing business with the Pohanka dealer group, which has been serving clients like you since 1919!
Features & Options
- Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert; Perimeter Lighting
- Driver Alert Package II: Forward Collision Alert; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Lane Departure Warning
- AT4 Premium Plus Package: Power Sunroof; 20" Machined Aluminum Wheels
- Technology Package: 8" Multicolor Driver Information Center; Multicolor 15" Diagonal Head-Up Display; Inside Rearview Auo-Dimming Rear Camera Mirror
- Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Box Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Windows with Driver Express Up/down; Heated and Ventilated Front Bucket Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Power Door Locks
- AT4 Preferred Package: HD Surround Vision; Bose Premium 7 Speaker Sound System; Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Bed View Camera with Two Trailer Camera Provisions; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation
- Power-Retractable Black Assist Steps
- Power Sunroof
- 20" Machined Aluminum Wheels
- Bed View Camera with Two Trailer Camera Provisions
- LT275/65R20 AT BW Tires
- High Idle Switch
- LED Smoked Amber Roof Marker Lamps
- Apple CarPlay/Android Auto smart device wireless mirroring
- Forward Collision Alert with Automatic Braking
- 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Head-up display
- Predictive brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Integrated navigation system with voice activation
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- Lane Departure Warning
- 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 6.6L V-8 diesel direct injection
- intercooled turbo
- diesel
- engine with 445HP
- Duramax 6.6L V-8
- Front wireless smart device charging
- Teen Driver restricted driving mode/alerts
- Keyless Open/Keyless Start with hands-free access and push button start
- Keyfob window control
- Aerial view camera
- Push-button
- 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
- Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- External memory control
- Internet radio capability
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