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Frontier Motors Automotive Group, Inc

31406 US HWY 18, Winner, SD 57580
4.6
4.6 out of 5 stars
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Used 2021 GMC Sierra 3500HD AT4

52,828 miles
For Sale:$51,997
Estimated payment:$1,179/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $47,900 and $56,300, while the current price is $51,997.$47,900 - $56,300$51,997

  • Priced at $51,997, this vehicle is within the current market price range of $47,900 to $56,300.

  • It has 52,828 miles, which is 51,072 (49%) below the median mileage of 103,900.

Note: This is an estimate based on a variety of factors (experimental feature). It is intended to provide a fair market value range to help guide your buying decision.

View Full Value Report
  • Truck
  • Pickup
  • Crew Cab
  • Heavy Hauler
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    52,828miles
  • Aggregate Ratings
    3.8
    3.8 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Drivetrain
    4X4
  • Transmission
    automatic
  • Interior Color
    Jet Black W Kalahari Accents (Black)Factory Paint Code:HVD
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    14,500lbs.
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49VEY2MF221170

Engine

6.6L V8

* Based on opinions and should be considered as general guidance only.

  • Reliability (4)
    4 out of 5 stars
    GMC heavy-duty trucks generally have a good reputation for reliability, and the 2021 Sierra 3500HD AT4 continues this trend. Owners typically report few major issues, especially with proper maintenance.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs are typical for a heavy-duty truck, meaning they can be higher than a standard passenger vehicle due to larger components and specialized fluids. Parts can also be more expensive.
  • Technology (4)
    4 out of 5 stars
    GMC provides a solid suite of technology, including a user-friendly infotainment system with Apple CarPlay and Android Auto, along with useful trailering tech and available safety features. It's modern and functional.
  • Comfort (4)
    4 out of 5 stars
    The AT4 trim offers a very comfortable interior with supportive seats and a quiet cabin for a truck of this caliber. Long drives are manageable, and the ride quality is good even with the off-road suspension.
  • Dynamics (4)
    4 out of 5 stars
    For a heavy-duty truck, the Sierra 3500HD AT4 handles surprisingly well, especially considering its size. The steering is responsive, and the truck feels stable on the highway, though it's still a large vehicle.

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Listed on April 1, 2026 (8 days ago)
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