Used 2021 GMCSierra AT4 R3409

    Exterior Color
    Summit White
    Interior Color
    JET BLACK W/KALAHARI ACCENTS
    Odometer
    93,047 miles
    Transmission
    10-speed automatic
    Drivetrain
    4WD
    Engine
    V8, 6.2L
    VIN
    3GTP9EEL1MG456868
    Stock Number
    R3409
    GMC Sierra
    • Show Me the CARFAX Badge
    • 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; 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; 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 High Clearance Step
    • 20 X 9 Machined Aluminum Wheels
    • Rear Underseat Storage
    • 275/60R20SL AT BW Tires
    • 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 brake assist system
    • Cruise control with steering wheel mounted controls
    • Ventilated driver and front passenger seats
    • Keyfob remote engine start
    • Heated steering wheel
    • Heated driver and front passenger 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
    • Smart key with hands-free access and push button start
    • Keyfob window control
    • Bluetooth wireless audio streaming
    • 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
    • Trailer brake controller
    • Trailer Sway Control (TSC) trailer sway control
    • Trailer backup assist with visual graphic guidance only
    • Bluetooth handsfree wireless device connectivity
    • 6 USB ports
    • Premium GMC Infotainment System external memory control
    • Internet radio capability
    • StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
    • Hill Descent Control (HDC)
    • Hill Start Assist (HSA)
    • Rear seat check warning
    • Automatic climate control
    • 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
    • Power folding door mirrors
    • Manual tilting steering wheel
    • Manual telescopic steering wheel
    Included Options
    • AT4 High Clearance Step$1,095
    • Rear Underseat Storage$275

    Detailed Specifications

    • 1st and 2nd row curtain head airbags
    • 4-wheel ABS Brakes
    • ABS and Driveline Traction Control
    • Anti-theft alarm system
    • Audio System Premium Brand: GMC Infotainment System
    • Audio controls on steering wheel
    • Automatic front air conditioning
    • Auxilliary engine cooler
    • Bluetooth wireless phone connectivity
    • Braking Assist
    • Bucket front seats
    • Climate Controlled : Driver and passenger heated
    • Compass
    • Cruise control
    • Cruise controls on steering wheel
    • Daytime running lights
    • Digital Audio Input
    • Driver seat memory
    • Driver's side electrochromatic auto-dimming mirrors
    • Dual front air conditioning zones
    • Dual illuminated vanity mirrors
    • Dual reverse tilt mirrors
    • Electrochromatic rearview mirror
    • External temperature display
    • Fold-up cushion rear seats
    • Front Ventilated disc brakes
    • Front and rear reading lights
    • Front fog/driving lights
    • Fuel Consumption: City: 16 mpg
    • Fuel Consumption: Highway: 21 mpg
    • Heated driver mirror
    • Heated passenger mirror
    • Heated steering wheel
    • Leather seat upholstery
    • Leather/metal-look steering wheel trim
    • Machined aluminum rims w/ painted accents
    • Manufacturer's 0-60mph acceleration time (seconds): 6.1 s
    • Memorized Settings for 2 drivers
    • Memorized Settings including door mirror(s)
    • Metal-look dash trim
    • Passenger Airbag
    • Power remote w/tilt down driver mirror adjustment
    • Power remote w/tilt down passenger mirror adjustment
    • Power retractable mirrors
    • Power windows
    • Premium GMC Infotainment System
    • Privacy glass: Deep
    • Radio Data System
    • Rear seats center armrest
    • Remote Engine Start : Keyfob remote start
    • Remote power door locks
    • Remote window operation
    • Side airbag
    • Simulated wood/metal-look door trim
    • SiriusXM with 360L AM/FM/HD/Satellite
    • SiriusXM with 360L Satellite Radio
    • Speed-proportional electric power steering
    • Split rear bench
    • Stability controll with anti-roll
    • Suspension class: Off-road
    • Tachometer
    • Tilt and telescopic steering wheel
    • Total Number of Speakers: 6
    • Trailer hitch
    • Trip computer
    • Urethane shift knob trim
    • Video Monitor Location: Front
    • Wheel Diameter: 18
    • Wheel Width: 8.5

    Dealer Notes

    Vehicle Details
    Conquer any terrain with this rugged 2021 GMC Sierra 1500 AT4, now available in Tupelo, MS. Powered by a commanding 6.2L V8 gasoline engine and equipped with 4WD, this GMC Sierra AT4 delivers strong towing capability and confident performance on- and off-road. The Off-Road Package enhances capability with upgraded suspension and protection, so you're ready for trails and tough conditions. Inside, enjoy premium comfort with leather seats and thoughtful tech features like Android Auto for seamless smartphone integration and steering wheel audio controls for safer, easier access while driving. The back-up camera boosts visibility and makes parking and hitching a trailer simpler and more accurate. This GMC Sierra AT4 blends rugged capability with refined touches: durable exterior design cues, a driver-focused cabin, and modern convenience features to support everyday driving and weekend adventures. Whether hauling gear, towing a trailer, or navigating rural roads around Tupelo, MS, this truck offers a dependable presence with a purposeful, premium feel. Schedule a test drive to experience the powerful V8, responsive 4WD system, and Off-Road Package enhancements in person. This 2021 GMC Sierra 1500 AT4 is a compelling choice for buyers seeking a capable, well-equipped truck that handles both work and recreation with confidence.

    Equipment
    Protect it from unwanted accidents with a cutting edge backup camera system. Keep your hands warm all winter with a heated steering wheel in the GMC Sierra . This model offers Apple CarPlay for seamless connectivity. This unit offers Automatic Climate Control for personalized comfort. The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This vehicle features a hands-free Bluetooth phone system. It offers Android Auto for seamless smartphone integration. An off-road package is installed on this model so you are ready for your four-wheeling best. This unit features steering wheel audio controls. With the keyless entry system on this 2021 GMC Sierra 1500 you can pop the trunk without dropping your bags from the store. This 1/2 ton pickup embodies class and sophistication with its refined white exterior. A trailer braking system is already installed on this 2021 GMC Sierra 1500.

    Packages
    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; 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; 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 High Clearance Step. 20 X 9 Machined Aluminum Wheels. Rear Underseat Storage. 275/60R20SL AT BW Tires. **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.**