Vehicle Summary
Mileage
Miles
Performance
HP
Torque
Vehicle Description
This 2021 GMC Sierra 1500 AT4 delivers premium capability and refined comfort in White. Powered by the EcoTec3 5.3L V8 engine with 10-speed automatic transmission and 4WD, this truck handles any road with confidence while returning 16 city and 21 highway MPG. The AT4 Premium Package elevates your experience with exclusive features and aggressive styling designed for those who demand the best.
- 20" Machined Aluminum Wheels with Carbon Grey Metallic Accents
- Premium Bose 7-Speaker Sound System
- Premium GMC Infotainment System with Navigation
- SiriusXM with 360L
- Heated and Ventilated Front Seats
- Remote Vehicle Starter System with Keyless Open & Start
- Rear Dual USB Charging Ports and 120-Volt Power Outlets
- Lane Change Alert with Side Blind Zone Alert and Rear Cross Traffic Alert
- ProGrade Trailering System with Integrated Trailer Brake Controller
- Ultrasonic Front & Rear Park Assist with HD Rear Vision Camera
Packed with advanced technology including 4G LTE Wi-Fi hotspot capability, wireless charging, and the in-vehicle trailering app, this Sierra seamlessly connects modern convenience with rugged capability. The AT4's distinctive design features body-color surround grille, AT4 high clearance step, red recovery hooks, and a spray-on pickup bed liner with AT4 logo. Inside, perforated leather-appointed front seat trim, premium floor liners, and a heated steering wheel create an inviting environment. Safety is paramount with multiple airbags, electronic stability control, traction control, and GMC Connected Services capability.
We invite you to experience this exceptional Sierra 1500 AT4 firsthand. Contact us today to schedule your test drive and discover why this truck is the choice for demanding drivers.

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
- 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 steering wheel
- Manual tilting steering wheel
- Manual telescopic steering wheel
- Vinyl rear seat upholstery
- 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
- Deep tinted windows
- Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
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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 (TSC) trailer sway control
- Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- Trailer hitch light
- 18 x 8.5-inch front and rear machined w/painted accents aluminum wheels
- P265/65SR18 AT BSW front and rear tires
- Trailer wiring harness
- Class IV tow rating
- Trailer hitch
- 2 underbody skid plates
- Spray-in pickup bed liner
- Pickup bed extender
- 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
- EcoTec3 5.3L V-8 direct injection, variable valve control, regular gasoline, engine with cylinder deactivation and 355HP
- EcoTec3 5.3L V-8
- Auto stop-start engine
- 10-speed automatic
- Tow/Haul Mode selectable mode transmission
- Sequential shift control
- Automatic
- Four-wheel drive
- Off-road ride suspension
- Speed sensitive power steering
- Lock-up transmission
- Front mounted engine
- Spark ignition system
- Longitudinal mounted engine
- Aluminum engine block
- Aluminum cylinder head
- Overdrive transmission
- EcoTec3 V8
- 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
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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 (HSA)
- 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
- Premium GMC Infotainment System external memory control
- Internet radio capability
- GMC Infotainment System voice activated audio controls
- AM/FM/digital/SiriusXM with 360Lsatellite
- 2 total number of 1st row displays
- 8 inch primary display
- Standard grade speakers
- 6 speakers
- Seek scan
- Radio data system (RDS)
- Auxiliary input jack
- 3 month satellite trial subscription
- Fixed audio antenna
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Crash Safety Ratings
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OVERALL
4 STAR
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FRONT
4 STAR
SIDE
5 STAR
ROLLOVER
4 STAR
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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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