U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
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Vehicle Details

VIN1GTP9EED9MZ347566
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot34

2021 GMC Sierra 1500

AT4

Fair Price
$30,800126,911 mi

Clio, MI 48420

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Fair Price

Why: Listed at $30,800, comparable market range $20,995–$45,800, based on 23 comparable listings. Days on lot: 34 days (market average 56 days).

Market price position

20,995
45,800
30,800

$30,800 · within market range

$20,995comparable$45,800
Regional range
$20,995 – $45,800
vs. market
$9,805 above low · $15,000 below high
Comparable vehicles
23
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1554 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Regional Range$20,995 – $45,800

Dun-Rite Sales Company

Clio, MI

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

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Request availability and out-the-door price

OAV will route your inquiry to Dun-Rite Sales Company for current availability of this 2021 GMC Sierra 1500 AT4 and an out-the-door price quote (taxes, fees, addons included).

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

About This 2021 GMC Sierra 1500

Listing updated: Jun 22, 2026

Listed by an independent dealer in Clio, MI · On lot for 34 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $30,800 by dun-rite sales company in Clio, MI 48420. It has 126,911 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 23 similar vehicles in the Clio market, the estimated market range is $20,995 to $45,800.

This vehicle has been on the lot for 34 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 Clio, MI trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

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, filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

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 surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Clio, MI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED9MZ347566 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 refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 GMC Sierra 1500 Market in MI

Comparable Vehicles

2,091

Average Price

$37,170

Price Range

$13,900–$74,900

Avg Days on Lot

56

Based on 2,091 comparable 2019-2023 GMC Sierra 1500 listings in MI, the average asking price is $37,170. This listing at $30,800 is $6,370 below average (17% below market). Comparable prices in MI range from $13,900 to $74,900. Similar vehicles spend an average of 56 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in MI

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)