2021 GMC Sierra AT4

$46,650
Good deal
Competitive price
$0 / month
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GMC Sierra Details

transmission
Automatic
engine
6 Cyl, 3.0L
color
Ebony Twilight Metallic
drive
4WD
fuel
Diesel
mileage
46,627 Miles
interior color
Jet Black w/Kalahari Accents
stock number
1864
VIN
3GTU9EET8MG403314
series
1500
seats
Leather
trim
AT4

Estimated Payment

Down Payment: $0
Months: 0
$0 / month

About This 2021 GMC Sierra

2021 GMC Sierra 1500 AT4 - 4WD, 6-cyl 3.0L Diesel, 46,627 miles. Located in Ponca City, OK, this rugged luxury pickup blends serious capability with refined comfort for work or weekend adventures. The CARFAX Clean Report confirms a well-maintained history, giving added peace of mind.

Equipped with four-wheel drive and the torquey 3.0L diesel, this GMC Sierra AT4 is built to tow, haul, and handle rough roads with confidence. Inside, premium leather seats and Automatic Climate Control create a comfortable cabin for long trips or daily commutes, while Remote Start lets you warm up or cool down before you climb in. Seamless smartphone integration via Android Auto keeps navigation, calls, and media at your fingertips.

The AT4 package adds off-road-ready suspension tweaks and distinctive styling that set this GMC Sierra apart from the crowd. Modern convenience features and a thoughtfully designed interior make it equally suited for jobsite demands and family duties. With a clean history, low mileage for the year, and desirable diesel performance, this truck is a standout option for buyers seeking capability and refinement in one package.

Schedule a test drive in Ponca City, OK to experience the 2021 GMC Sierra 1500 AT4 firsthand and see how it fits your lifestyle and needs.

Features & Options

  • 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
  • Black Sport Step
  • 20" X 9" Machined Aluminum Wheels
  • Ebony Twilight Metallic
  • 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 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
  • Duramax 3L I-6 diesel direct injection
  • DOHC
  • variable valve control
  • intercooled turbo
  • diesel
  • engine with 277HP
  • Duramax 3L I-6 DOHC
  • Teen Driver restricted driving mode/alerts
  • Smart key with hands-free access and push button start
  • Keyfob window control
  • Push-button
  • 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
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