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

Vehicle Details

VIN1GTP9EED0MZ107497
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot25

2021 GMC Sierra 1500

AT4

Unscored
$33,864121,462 miles

Oklahoma City, OK 73114

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $33,864, comparable market range $34,146–$38,775, based on 8 comparable listings. Days on lot: 25 days (market average 53 days).

Market price position

34,146
38,775
33,864

$33,864 · $282 below market low

$34,146comparable$38,775
Regional range
$34,146 – $38,775
vs. market low
— $282 (1% below)
Comparable vehicles
8
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.

Local Range$34,146 – $38,775
Regional Range$28,900 – $53,166

Dealer Info

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Oklahoma City, OK

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About This 2021 GMC Sierra 1500

Listing updated: May 17, 2026

Listed by a franchise dealer in Oklahoma City, OK · On lot for 25 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $33,864 by a franchise dealer in Oklahoma City, OK 73114. It has 121,462 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 8 similar vehicles in the Oklahoma City market, the estimated market range is $34,146 to $38,775. The local market range in OK is $34,146 to $38,775.

This vehicle has been on the lot for 25 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 Oklahoma City, OK 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 a franchise dealer in Oklahoma City, OK, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED0MZ107497 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 OK

Comparable Vehicles

977

Average Price

$39,347

Price Range

$14,988–$76,242

Avg Days on Lot

53

Based on 977 comparable 2019-2023 GMC Sierra 1500 listings in OK, the average asking price is $39,347. This listing at $33,864 is $5,483 below average (14% below market). Comparable prices in OK range from $14,988 to $76,242. Similar vehicles spend an average of 53 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in OK

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