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

VIN1GTP9EEL4MZ267244
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot6

2021 GMC Sierra 1500

AT4

Unscored
$40,90080,698 mi

Gulfport, MS 39503

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $40,900, comparable market range $32,190–$40,386, based on 4 comparable listings. Days on lot: 6 days (market average 78 days).

Market price position

32,190
40,386
40,900

$40,900 · $514 above market high

$32,190comparable$40,386
Regional range
$32,190 – $40,386
vs. market high
+ $514 (1% above)
Comparable vehicles
4
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1660 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$32,190 – $40,386

Dealer Info

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Gulfport, MS

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About This 2021 GMC Sierra 1500

Listing updated: May 22, 2026

Listed by a franchise dealer in Gulfport, MS · On lot for 6 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $40,900 by a franchise dealer in Gulfport, MS 39503. It has 80,698 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 6.2L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 4 similar vehicles in the Gulfport market, the estimated market range is $32,190 to $40,386.

This vehicle has been on the lot for 6 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 Gulfport, MS 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 a franchise dealer in Gulfport, MS, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EEL4MZ267244 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 MS

Comparable Vehicles

829

Average Price

$39,941

Price Range

$22,691–$64,325

Avg Days on Lot

78

Based on 829 comparable 2019-2023 GMC Sierra 1500 listings in MS, the average asking price is $39,941. This listing at $40,900 is $959 above average (2% above market). Comparable prices in MS range from $22,691 to $64,325. Similar vehicles spend an average of 78 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in MS

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