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

Vehicle Details

VIN1GTU9EET0MZ274145
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine3.0L I6
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot21

2021 GMC Sierra 1500

AT4

Fair Price
$33,494122,324 miles

Kilgore, TX 75662

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Fair Price

Why: Listed at $33,494, comparable market range $32,995–$45,391, based on 10 comparable listings. Days on lot: 21 days (market average 77 days).

Market price position

32,995
45,391
33,494

$33,494 · within market range

$32,995comparable$45,391
Regional range
$32,995 – $45,391
vs. market
$499 above low · $11,897 below high
Comparable vehicles
10
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1656 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$36,290 – $36,290
Regional Range$32,995 – $45,391

Dealer Info

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Kilgore, TX

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About This 2021 GMC Sierra 1500

Listing updated: May 17, 2026

Listed by an independent dealer in Kilgore, TX · On lot for 21 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $33,494 by an independent dealer in Kilgore, TX 75662. It has 122,324 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 10 similar vehicles in the Kilgore market, the estimated market range is $32,995 to $45,391. The local market range in TX is $36,290 to $36,290.

This vehicle has been on the lot for 21 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 Kilgore, TX 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:

This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Kilgore, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTU9EET0MZ274145 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 TX

Comparable Vehicles

4,253

Average Price

$40,374

Price Range

$12,994–$102,500

Avg Days on Lot

77

Based on 4,253 comparable 2019-2023 GMC Sierra 1500 listings in TX, the average asking price is $40,374. This listing at $33,494 is $6,880 below average (17% below market). Comparable prices in TX range from $12,994 to $102,500. Similar vehicles spend an average of 77 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in TX

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