
Vehicle Details
2021 GMC Sierra 1500
AT4
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
$33,864 · $282 below market low
- Regional range
- $34,146 – $38,775
- vs. market low
- — $282 (1% below)
- Comparable vehicles
- 8
Similar vehicles recently sold in an estimated 16–60 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.
Dealer Info
Oklahoma City, OK
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About This 2021 GMC Sierra 1500
Listing updated: May 17, 2026Listed 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:
- Great Deal — priced below the typical range for comparable vehicles.
- Fair Price — priced within the expected range for comparable vehicles.
- Overpriced — priced above the typical range for comparable vehicles.
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)

2021 GMC Sierra 1500
AT4
Guthrie, OK

2021 GMC Sierra 1500
AT4
Miami, OK

2021 GMC Sierra 1500
AT4
Woodward, OK
2019 GMC Sierra 1500
AT4
Ada, OK

2019 GMC Sierra 1500
AT4
Pauls Valley, OK

2019 GMC Sierra 1500
AT4
Perry, OK
2019 GMC Sierra 1500
AT4
Purcell, OK
2019 GMC Sierra 1500
AT4
Ada, OK