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

VIN1GTR9AEF0MZ205867
TrimBase
Exterior ColorBlack
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot12

2021 GMC Sierra 1500

Base

Unscored
$23,88696,166 mi

Brattleboro, VT 05301

Is this 2021 GMC Sierra 1500 Base a good deal?

OAV verdict: Unscored

Why: Listed at $23,886, comparable market range $20,999–$29,278, based on 3 comparable listings. Days on lot: 12 days (market average 56 days).

Market price position

20,999
29,278
23,886

$23,886 · within market range

$20,999comparable$29,278
Regional range
$20,999 – $29,278
vs. market
$2,887 above low · $5,392 below high
Comparable vehicles
3
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 2268 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$20,999 – $29,278

Dealer Info

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Brattleboro, VT

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About This 2021 GMC Sierra 1500

Listing updated: May 23, 2026

Listed by a franchise dealer in Brattleboro, VT · On lot for 12 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 Base is listed at $23,886 by a franchise dealer in Brattleboro, VT 05301. It has 96,166 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 Unscored due to insufficient comparable data. Based on 3 similar vehicles in the Brattleboro market, the estimated market range is $20,999 to $29,278.

This vehicle has been on the lot for 12 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 Brattleboro, VT 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 Brattleboro, VT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTR9AEF0MZ205867 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 VT

Comparable Vehicles

391

Average Price

$38,745

Price Range

$19,990–$68,015

Avg Days on Lot

56

Based on 391 comparable 2019-2023 GMC Sierra 1500 listings in VT, the average asking price is $38,745. This listing at $23,886 is $14,859 below average (38% below market). Comparable prices in VT range from $19,990 to $68,015. Similar vehicles spend an average of 56 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in VT

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