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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
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2021 GMC Sierra 1500 AT4

2021 GMC Sierra 1500View this vehicle at john hiester chrysler dodge jeep ram of lillington →

Vehicle Details

VIN3GTP9EED4MG378854
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot11

AT4

Unscored
$33,705130,954 mi

Lillington, NC 27546

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $33,705. OAV has withheld a market verdict for this listing because its comparable evidence isn't sufficient to score it reliably. Listed 11 days · fresher than most comparable local listings (typical ~15–60 days).

Market price position

Insufficient comparable data to score this listing.

John Hiester Chrysler Dodge Jeep Ram Of Lillington

Lillington, NC

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OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2021 GMC Sierra 1500

Listing updated: Aug 29, 2026

Listed by a franchise dealer in Lillington, NC · On lot for 11 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $33,705 by john hiester chrysler dodge jeep ram of lillington in Lillington, NC 27546. It has 130,954 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

This vehicle has been on the lot for 11 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader Lillington, NC trucks market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2021 GMC Sierra 1500 against similar vehicles currently available in the local and regional market — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Lillington, NC, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9EED4MG378854 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 GMC Sierra 1500 Market in NC

NC Market Listings

455

Average Price

Price Range

Avg Days on Lot

50

Based on all 455 2019-2023 GMC Sierra 1500 listings in the NC market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 50 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in NC

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: AT4 — compare trims below)