2021 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.2L
Summit White
4WD
Gasoline
36,789 Miles
Jet Black w/Kalahari Accents
21342A
3GTP9EEL4MG466942
1500
Leather
AT4
About This 2021 GMC Sierra
2021 GMC Sierra 1500 AT4 — a rugged, refined pickup delivering performance and comfort in Martin, TN. Powered by a robust 6.2L V8 gasoline engine with 4WD, this GMC Sierra AT4 brings trail-ready capability and confident highway manners to every drive. With just 36,789 miles, this truck pairs proven durability with modern convenience features to handle work, play, and weekend adventures. The Off-Road Package enhances capability with specialized suspension and underbody protection, while the AT4’s aggressive stance and premium interior materials offer a refined feel inside and out. Stay connected on the go with Hands Free Bluetooth and Apple CarPlay integration for seamless smartphone access, navigation, and media. This GMC Sierra also arrives with a CARFAX Clean Report and CARFAX 1-Owner history, giving added assurance about its maintenance and ownership record. Comfortable seating, ample cargo bed capacity, and advanced towing features make this pickup versatile for hauling gear or towing trailers. Safety and driver aids built into the GMC Sierra provide confidence on varied terrain and in changing conditions. Located in Martin, TN, this 2021 GMC Sierra 1500 AT4 is competitively priced and represents the best value available — an exceptional combination of power, technology, and off-road readiness. Schedule a test drive today to experience why this truck stands out.
Features & Options
- ENGINE; 6.2L ECOTEC3 V8
- Trailering Package includes trailer hitch; 7-pin and 4-pin connectors and (CTT) Hitch Guidance
- Auto-locking rear differential
- Four wheel drive
- Recovery hooks; Red
- Steering; Electric Power Steering (EPS) assist; rack-and-pinion
- Brakes; 4-wheel antilock; 4-wheel disc with DURALIFE rotors
- Fog lamps; LED
- Glass; deep-tinted
- Tailgate; GMC MultiPro Tailgate with six functional load/access features
- Steering wheel audio controls
- 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Seat adjuster; driver 10-way power including lumbar
- Seat adjuster; passenger 10-way power including lumbar
- Seat; Up-level Rear with Storage Package; 60/40 folding bench for Crew Cab models; includes full-length bench seat; seatback storage on left and right side; center fold out armrest with 2 cupholders; full cab width under-seat storage; (includes child seat top tether anchor)
- Steering column; manual Tilt-Wheel and telescoping
- Steering wheel; leather-wrapped
- Steering wheel; heated
- Remote vehicle starter system
- Theft-deterrent system; unauthorized entry
- Air conditioning; dual-zone automatic climate control
- StabiliTrak; stability control system with Proactive Roll Avoidance and traction control; includes electronic trailer sway control and hill start assist
- Airbags; Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner''s Manual for more information.)
- Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob; to help encourage safe driving behavior. It can limit certain available vehicle features; and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; 265/65R18SL AT BW Tires; 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; Premium GMC Infotainment System Radio with Multi-Touch; 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
- 20" X 9" Machined Aluminum Wheels
- Body Color Wheel Arch Moldings
- LT265/60R20 MT Blackwall
- Rear Underseat Storage
- Apple CarPlay/Android Auto smart device mirroring
- 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- EcoTec3 6.2L V-8 gasoline direct injection
- variable valve control
- premium unleaded
- engine with cylinder deactivation and 420HP
- Teen Driver restricted driving mode/alerts
- Smart key with hands-free access and push button start
- Keyfob window control
- Bluetooth wireless audio streaming
- 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
- Dual-zone front climate control
- Immobilizer
- Bluetooth handsfree wireless device connectivity
- Trailer brake controller
- Trailer Sway Control (TSC) trailer sway control
- Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- Premium GMC Infotainment System external memory control
- Internet radio capability
- 6 USB ports
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
- Hill Descent Control (HDC)
- Hill Start Assist (HSA)
- Automatic climate control
- Rear seat check warning
- 1 exterior 120V AC power outlet
- LED daytime running lights
- LED brake lights
- LED front fog lights
- Leather and metal-look steering wheel
- EZ Lift
- EZ Lower
- Integrated tailgate step
- Trailer hitch light
- Manual rear child safety door locks
- Heated driver and passenger side door mirrors
- Power driver and passenger door mirrors with tilt down in reverse
- Auto-dimming driver side mirror
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