Vehicle Summary
Mileage
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Performance
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Torque
Vehicle Description
This 2021 GMC Sierra 2500HD AT4 is an extremely well-maintained truck ready for serious duty. Finished in white with a legendary Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this 4WD pickup delivers the power and capability you need. With 62,709 miles, it's still in its prime and equipped with premium features that make every drive more capable and comfortable.
Key Features:
- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic
- Gooseneck/5th Wheel Package with Integrated Trailer Brake Controller
- AT4 Premium Plus Package with premium styling and capability upgrades
- Premium GMC Infotainment System with Navigation and 8" Driver Information Center
- Heated and Ventilated Front Bucket Seats with Power Adjusters and Lumbar Support
- Multicolor 15" Head-Up Display for enhanced visibility
- Bed View Camera with 2 Trailer Camera Provisions and HD Surround Vision
- Bose Premium 7-Speaker Sound System with Wireless Phone Projection
- Remote Vehicle Starter System with Keyless Open and Start
- Advanced Safety Suite including Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert
This AT4 comes loaded with trailering technology and premium comfort appointments designed for the serious truck owner. The spray-on bed liner with AT4 logo, red recovery hooks, and AT4 high-clearance step complement the rugged styling, while features like the 2-speed active transfer case and hill descent control enhance off-road capability.
Come see this exceptional 2500HD in person and experience its commanding presence and refined capability firsthand.

Shottenkirk Nissan Katy
Tax, title, license, document fee extra. New/Pre-owned vehicles come with Nissan ProPack Package at Shottenkirk Nissan Katy: Dent/Ding repair. Tire/Wheel Protection. Windshield Repair. Key Replacement (new vehicles) and Anti-theft protection. Complimentary 6 Month / 6,000 mile Powertrain Coverage and AC Warranty for pre-owned. AC Warranty and Powertrain excludes some vehicles – see dealer for details.
Vehicle Features
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Interior
- Ventilated driver and front passenger seats
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
- Dual-zone front climate control
- Automatic climate control
- Leather and aluminum steering wheel
- Manual tilting steering wheel
- Manual telescopic steering wheel
- Vinyl rear seat upholstery
- Rear under seat climate control ducts
- Rear console climate control ducts
- Bucket front seats
- Driver seat with 8-way directional controls
- Front seat center armrest
- Front passenger seat with 8-way directional controls
- Driver seat with 2-way power lumbar
- Front passenger seat with 2-way power lumbar
- Split-bench rear seat
- Fold-up rear seat cushion
- 60-40 folding rear seats
- Rear seat center armrest
- Seating capacity: 5
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Exterior
- Hitch Guidance vehicle to trailer hitching assist
- GMC ProGrade Trailering System trailer light test
- GMC ProGrade Trailering System trailer light malfunction warning
- GMC ProGrade Trailering System trailer theft alarm
- Trailer brake controller
- Trailer sway control
- Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- Power extendable trailer mirrors
- Trailer hitch light
- Wheel hub covers
- Exterior mirror LED spot lights
- Trailer wiring harness
- Class IV tow rating
- Trailer hitch
- 3 underbody skid plates
- Spray-in pickup bed liner
- Pickup bed-rail protectors
- Full-size spare tire with steel wheel
- Crank-down spare tire
- 2 front tow hooks
- LED in-box lighting
- 4 doors
- Standard style pickup box
- Galvanized steel/aluminum body panels with side impact beams
- Body-colored front bumper
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Mechanical
- AutoTrac part and full-time 4WD
- Driver selectable steering effort
- Tow/Haul Mode selectable mode transmission
- Sequential shift control
- Automatic
- Four-wheel drive
- Two-Speed Transfer Case
- Off-road ride suspension
- Digital Steering Assist speed sensitive power steering
- Lock-up transmission
- Front mounted engine
- Longitudinal mounted engine
- Iron engine block
- Aluminum cylinder head
- Overdrive transmission
- Transmission oil cooler
- Powertrain type: ICE
- All-speed ABS and driveline traction control
- Electronic transfer case shift
- Independent front suspension
- Short and long arm front suspension
- Front anti-roll bar
- Front torsion springs
- Gas-pressurized shock absorbers
- Rigid axle rear suspension
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Safety
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Brake assist system
- Teen Driver restricted driving mode/alerts
- Immobilizer
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
- Hill Descent Control (HDC)
- Hill start assist
- LED daytime running lights
- LED brake lights
- LED front fog lights
- Manual rear child safety door locks
- 6 airbags
- Driver front impact airbag
- Seat mounted side impact driver airbag
- Curtain first and second-row overhead airbags
- Passenger front impact airbag
- Seat mounted side impact front passenger airbag
- Airbag occupancy sensor
- Reflector headlights
- LED low and high beam headlights
- Auto on/off headlight control
- Delay-off headlights
- Remote activated perimeter approach lighting
- 4-wheel disc brakes
- 4-wheel antilock (ABS) brakes
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Entertainment
- Primary monitor touchscreen
- Bluetooth wireless audio streaming
- External memory control
- Internet radio capability
- Voice activated audio controls
- AM/FM/digital/SiriusXM with 360Lsatellite
- 2 total number of 1st row displays
- 8 inch primary display
- Seek scan
- Auxiliary input jack
- 3 month satellite trial subscription
- Fixed audio antenna
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Factory Warranty
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Powertrain warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.Corrosion perforation warranty
72 month/100,000 miles
*Confirm any warranty information with dealer before purchase.Roadside warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.
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Disclaimers
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Floor mats and certain accessories may not be available on all pre-owned vehicles. Inventory is subject to prior sale. Advertised prices for pre-owned vehicles include a $225 dealer documentary fee. The advertised price excludes applicable taxes, title, license, registration, and other government fees unless otherwise specifically disclosed. The final selling price and all applicable charges will be itemized on the buyer's purchase agreement prior to sale. While every reasonable effort is made to ensure the accuracy of the information displayed on this website, the dealership is not responsible for typographical, technical, pricing, product information, advertising, or other errors. Vehicle equipment, specifications, mileage, pricing, and availability are subject to change without notice. Customers are encouraged to physically inspect and verify the vehicle's trim level, options, equipment, condition, and history prior to purchase. Please contact the dealership directly by phone, email, or in person to verify all information before making a purchase decision. Pre-Owned Vehicle Limited Warranty Coverage • Under 97,000 miles: 6-month / 6,000-mile limited powertrain warranty • 97,001–119,999 miles: 3-month / 3,000-mile limited powertrain warranty • 120,000+ miles: No warranty coverage provided Certain vehicles may also qualify for complimentary air conditioning (A/C) coverage. Warranty eligibility, exclusions, limitations, and terms apply. See dealer for complete details and a copy of the applicable warranty agreement. Any quoted payments or financing terms are estimates only and are subject to lender approval, credit qualification, vehicle availability, and other underwriting criteria.
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