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2021 GMC Sierra 1500 AT4



  • $2,190 SAVINGS
    $42,505 Harper Price

  • Retail Price: $43,996
  • Savings -$2,190
  • Doc Fee: +$699
  • Harper Price $42,505
  • Disclaimers

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Vehicle Information

VIN: 3GTP9EEL0MG259206
Stock #: V21710A
Model Code: TK10543
  • Condition Used
  • Body Style 4D Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black With Kalahari Accents
  • Mileage 38,675
  • Fuel Economy
    City/Highway 15/19 MPG
  • Engine 8 Cyl - 6.2 L
  • Transmission 10-Speed Automatic
  • Fuel Type Gasoline

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

This 2021 GMC Sierra 1500 AT4 Crew Cab delivers commanding presence and capability in a well-equipped truck built for work and weekend adventure alike. The striking white exterior contrasts beautifully with the jet black leather interior accented with Kalahari details, while the powerful EcoTec3 6.2L V8 engine and 4WD drivetrain provide confidence both on the road and off it. With just under 39,000 miles, this truck remains fresh and ready for years of dependable service.

- Power Sunroof
- Technology Package with Navigation
- 20 Machined Aluminum Wheels with Carbon Grey Accents
- Heated and Ventilated Front Seats with 10-Way Power Adjusters
- HD Surround Vision with Trailer View Cameras
- Power Trailering Mirrors with Heated Glass
- Multicolor 15 Head-Up Display
- ProGrade Trailering System with Integrated Brake Controller
- Automatic Emergency Braking with Lane Keep Assist
- Spray-On Bed Liner with AT4 Logo

The AT4 package elevates this Sierra with premium off-road suspension, hill descent control, and exclusive styling that sets it apart. Inside, you'll find versatile technology including the GMC Infotainment System with Apple CarPlay and Android Auto, SiriusXM satellite radio with 360L capability, and wireless charging. The truck also includes practical amenities like remote vehicle starter, adaptive cruise control, lane change alert, rear cross traffic alert, and a rear camera mirror—all working together to make every drive safer and more convenient. Stop by and experience this capable Sierra for yourself.

Eligible Benefits

All Features

  • AT4 Preferred Package
  • AT4 Value Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Preferred Equipment Group 4SB
  • Technology Package
  • Trailering Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • Premium audio system: GMC Infotainment System
  • Premium Bose 7-Speaker Sound System
  • Radio data system
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • SiriusXM w/360L
  • Steering Wheel Audio Controls
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Passenger Windows w/Express Up/Down
  • Power Front Windows w/Driver Express Up/Down
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Auto-Locking Rear Differential
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Off-Road Suspension
  • Speed-sensing steering
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Power Sunroof
  • Brake assist
  • Electronic Stability Control
  • Hill Descent Control
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Perimeter Lighting
  • Panic alarm
  • Security system
  • Theft Deterrent System (Unauthorized Entry)
  • Adaptive Cruise Control
  • Speed control
  • 170 Amp Alternator
  • Auxiliary External Transmission Oil Cooler
  • Heavy-Duty Air Filter
  • Auto-dimming door mirrors
  • Body-Color Surround Grille
  • Bumpers: body-color
  • Chrome Mirror Caps
  • Front License Plate Kit
  • Heated door mirrors
  • IntelliBeam Automatic High Beam On/Off
  • LED Cargo Area Lighting
  • Power door mirrors
  • ProGrade Trailering System
  • Pwr-Adjustable Vertical Trailering Outside Mirrors
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • 8" Driver Information Center
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • Bed View Camera
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Console-Mounted Safe (LPO)
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front Prem Floor Liners w/Removable Carpet Insert
  • Front reading lights
  • GMC Connected Access Capable
  • HD Rear Vision Camera
  • HD Surround Vision w/2 Trailer View Camera Provisions
  • Heated steering wheel
  • Illuminated entry
  • Lane Change Alert w/Side Blind Zone Alert
  • Lane Keep Assist w/Lane Departure Warning
  • Multicolor 15" Diagonal Head-Up Display
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Camera Mirror
  • Rear Cross Traffic Alert
  • Rear Dual USB Charging-Only Ports
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Rear Underseat Storage (LPO)
  • Safety Alert Seat
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter
  • Wireless Charging
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Front Bucket Seats
  • Front Center Armrest
  • Heated 2nd Row Outboard Seats
  • Heated Driver & Front Outboard Passenger Seating
  • Heated front seats
  • Perforated Leather-Appointed Front Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver & Front Passenger Seats
  • Ventilated front seats
  • Passenger door bin
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering App
  • Integrated Trailer Brake Controller
  • Red Recovery Hooks
  • 18" x 8.5" Machined Aluminum Wheels
  • Alloy wheels
  • Wheels: 20" x 9" Machined Aluminum
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Rear Defogger
  • Variably intermittent wipers
  • 3.23 Rear Axle Ratio
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Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, any dealer documentation fees, any emissions testing fees or other fees. All prices, specifications and availability subject to change without notice. Contact dealer for most current information. Price does not include tax, tag, title, and $699 documentation fee. Additional fees for certain purchases: Depending on the payment method and the state where the vehicle will be registered, out-of-state buyers may be charged a $250 for the expense of a third-party vendor that coordinates local registration. Vehicles shipped or delivered off-site may also be subject to a third-party identity verification fee ranging from $60 to $350. Applicable fees will be disclosed before purchase.