Used 2021 GMC Sierra 1500 AT4 Crew Cab
4x4
Vehicle Summary
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Onyx Black
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Jet Black w/Kalahari Accents
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VIN 3GTP9EED9MG209056
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Stock # 515592
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Condition Used
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Exterior Onyx Black
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Interior Jet Black w/Kalahari Accents
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Engine V8, 5.3L
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Fuel Type Gasoline
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Drivetrain 4x4
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Transmission 10-speed automatic
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Location City Auto Memphis
Mile
Miles
MPG FUEL ECONOMY
CITY
HWY
AVG
Horsepower
HP
Torque
Key Features
Backup Camera
Tow Package
Fog Lights
Side-Impact Air Bags
Bluetooth
Alloy Wheels
Leather Seats
Automatic Climate Control
Cruise Control
Remote Start
Push Start
Keyless Entry
Android Auto
Apple Car Play
Wifi Hotspot
Collision Avoidance
Blind Spot Monitor
Lane Departure Warning
Lane Keep Assist
Navigation System
Parking Assist
Premium Package
Wireless Phone Charging
Adaptive Cruise Control
Rear Cross Traffic Alert
Vehicle Description
Vehicle Details
Ready to conquer Memphis roads and rugged terrain, this 2021 GMC Sierra 1500 AT4 is a Certified Pre-Owned powerhouse that combines luxury, capability, and value. Powered by a robust 5.3L V8 gasoline engine with 4WD, the GMC Sierra AT4 delivers confident towing and responsive performance whether you're hauling gear or cruising I-40. This GMC Sierra stands out with premium features like a heated steering wheel for cold mornings, remote start for convenience, automatic climate control for customized comfort, and a back-up camera that makes parking and trailer hookups effortless. Located in Memphis, TN, this GMC Sierra 1500 AT4 offers the best price in the area for a certified truck of this caliber — giving buyers peace of mind with manufacturer-backed inspection and warranty coverage that ensures quality and reliability. The AT4 trim adds off-road-ready suspension, distinctive styling, and functional upgrades tailored for adventure while maintaining a refined cabin ideal for daily driving. If you want a rugged V8 pickup that blends modern tech, comfort, and true 4WD capability, this Certified Pre-Owned 2021 GMC Sierra 1500 AT4 is the smart choice. With competitive pricing, a thorough certification process, and sought-after amenities, it's ready for work, play, and everything in between. Contact us in Memphis to schedule a test drive and experience this exceptional GMC Sierra today.
Equipment
This 1/2 ton pickup has gone through a stringent manufacturer pre-owned certification process, including a meticulous mechanical and reconditioning processes. Take the stress out of car buying with this certified pre-owned. The installed navigation system will keep you on the right path. It offers Apple CarPlay for seamless connectivity. See what's behind you with the back up camera on this 1/2 ton pickup. This 2021 GMC Sierra 1500 has auto-adjust speed for safe following. This vehicle offers Automatic Climate Control for personalized comfort. The steering wheel audio controls on this 1/2 ton pickup keep the volume and station within easy reach. Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. The vehicle features a high end BOSE stereo system. Start this unit from inside with remote start. The vehicle comes equipped with Android Auto for seamless smartphone integration on the road.
Packages
Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert. Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control. AT4 Premium Package: LT275/65R18C MT BW Tires. Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation. Black Sport Step. Onyx Black. LT275/65R18C MT BW Tires. Console Insert Organizer Tray. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
City Auto Chattanooga
Trusted Pre-Owned Car Dealership in Chattanooga, TN
With over 36 years of experience, City Auto remains one of the most trusted names in used car sales in Chattanooga. Our community-based approach, wide inventory, and competitive pricing continue to earn the trust of local customers.
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 and metal-look 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
- 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
- Body-colored rear bumper
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Mechanical
- AutoTrac part and full-time 4WD
- EcoTec3 5.3L V-8 gasoline direct injection, variable valve control, regular unleaded, engine with cylinder deactivation and 355HP
- EcoTec3 5.3L V-8
- Auto stop-start engine
- 10-speed automatic
- Tow/Haul Mode selectable mode transmission
- Transmission electronic control
- 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
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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
- 2 total number of 1st row displays
- 8 inch primary display
- 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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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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* Prices listed do not include the $895 processing fee, taxes, tags, title, license, registration or other delivery charges. Not responsible for typographical errors, price or equipment discrepancies. Not responsible for errors in inventory listings on third-party sites. Vehicles listed on this site may have been sold or otherwise removed from inventory. Please call to confirm price and availability.
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