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

VIN1GTP8AEF5MZ238955
TrimBase
Exterior ColorWhite
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot4

2021 GMC Sierra 1500

Base

Unscored
$30,99074,081 mi

Tolleson, AZ 85353

Is this 2021 GMC Sierra 1500 Base a good deal?

OAV verdict: Unscored

Why: Listed at $30,990, comparable market range $18,995–$30,995, based on 7 comparable listings. Days on lot: 4 days (market average 51 days).

Market price position

18,995
30,995
30,990

$30,990 · within market range

$18,995comparable$30,995
Regional range
$18,995 – $30,995
vs. market
$11,995 above low · $5 below high
Comparable vehicles
7
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1766 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.

Local Range$27,196 – $27,196
Regional Range$18,995 – $30,995

Dealer Info

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Tolleson, AZ

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About This 2021 GMC Sierra 1500

Listing updated: May 27, 2026

Listed by an independent dealer in Tolleson, AZ · On lot for 4 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 Base is listed at $30,990 by an independent dealer in Tolleson, AZ 85353. It has 74,081 miles on the odometer. The exterior color is White. 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 Unscored due to insufficient comparable data. Based on 7 similar vehicles in the Tolleson market, the estimated market range is $18,995 to $30,995. The local market range in AZ is $27,196 to $27,196.

This vehicle has been on the lot for 4 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 Tolleson, AZ 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 Tolleson, AZ, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP8AEF5MZ238955 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 AZ

Comparable Vehicles

499

Average Price

$39,783

Price Range

$18,995–$75,000

Avg Days on Lot

51

Based on 499 comparable 2019-2023 GMC Sierra 1500 listings in AZ, the average asking price is $39,783. This listing at $30,990 is $8,793 below average (22% below market). Comparable prices in AZ range from $18,995 to $75,000. Similar vehicles spend an average of 51 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in AZ

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