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

Vehicle Details

VIN1GTP9EED8MZ423794
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot42
Days on Market93

2021 GMC Sierra 1500

AT4

Unscored
$36,599103,507 miles

Baker City, OR 97814

Market price position

36,599
36,599
36,599

$36,599 · only listing at this price

$36,599 — single data point
Regional range
$36,599 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1660 days.

Dealer Info

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Baker City, OR

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About This 2021 GMC Sierra 1500

Listing updated: May 6, 2026

Listed by a franchise dealer in Baker City, OR · On lot for 42 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $36,599 by a franchise dealer in Baker City, OR 97814. It has 103,507 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 Fair Price — priced at market value. Based on available similar vehicles in the Baker City market, the estimated market range is $36,599 to $36,599.

This vehicle has been on the lot for 42 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

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 Baker City, OR, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED8MZ423794 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 OR

Comparable Vehicles

556

Average Price

$39,444

Price Range

$19,900–$63,990

Avg Days on Lot

53

Based on 556 comparable 2019-2023 GMC Sierra 1500 listings in OR, the average asking price is $39,444. This listing at $36,599 is $2,845 below average (7% below market). Comparable prices in OR range from $19,900 to $63,990. Similar vehicles spend an average of 53 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in OR

8 comparable vehicles with similar year and mileage