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

Vehicle Details

VIN1GTP9AEK3MZ328065
TrimBase
Exterior ColorBlack
Drivetrain4WD
Engine4.3L V6
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot74
Days on Market165

2021 GMC Sierra 1500

Base

Unscored
$26,47498,898 miles

Houghton Lake, MI 48629

Market price position

26,474
26,474
26,474

$26,474 · only listing at this price

$26,474 — single data point
Regional range
$26,474 (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 1766 days.

Dealer Info

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Houghton Lake, MI

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About This 2021 GMC Sierra 1500

Listing updated: Apr 27, 2026

Listed by a franchise dealer in Houghton Lake, MI · On lot for 74 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 Base is listed at $26,474 by a franchise dealer in Houghton Lake, MI 48629. It has 98,898 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 4.3L V6 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 Houghton Lake market, the estimated market range is $26,474 to $26,474.

This vehicle has been on the lot for 74 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 Houghton Lake, MI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9AEK3MZ328065 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 MI

Comparable Vehicles

1,718

Average Price

$35,782

Price Range

$13,900–$74,900

Avg Days on Lot

59

Based on 1,718 comparable 2019-2023 GMC Sierra 1500 listings in MI, the average asking price is $35,782. This listing at $26,474 is $9,308 below average (26% below market). Comparable prices in MI range from $13,900 to $74,900. Similar vehicles spend an average of 59 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in MI

8 comparable vehicles with similar year and mileage