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

Vehicle Details

VIN1GTP9EED0MZ174875
TrimAT4
Exterior ColorGray
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot42
Days on Market96

2021 GMC Sierra 1500

AT4

Unscored
$42,19969,135 miles

Franklin, TN 37067

Market price position

43,816
43,816
42,199

$42,199 · $1,617 below the market benchmark

$43,816 — single data point
Regional range
$43,816 (3 listings)
vs. market low
— $1,617 (4% below)
Comparable vehicles
3
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$43,816 – $43,816
Regional Range$29,995 – $52,990

Dealer Info

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Franklin, TN

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About This 2021 GMC Sierra 1500

Listing updated: May 5, 2026

Listed by a franchise dealer in Franklin, TN · On lot for 42 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $42,199 by a franchise dealer in Franklin, TN 37067. It has 69,135 miles on the odometer. The exterior color is Gray. 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 a Great Deal — priced below market value. Based on 3 similar vehicles in the Franklin market, the estimated market range is $43,816 to $43,816. The local market range in TN is $43,816 to $43,816.

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 Franklin, TN, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED0MZ174875 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 TN

Comparable Vehicles

889

Average Price

$39,776

Price Range

$14,399–$66,895

Avg Days on Lot

43

Based on 889 comparable 2019-2023 GMC Sierra 1500 listings in TN, the average asking price is $39,776. This listing at $42,199 is $2,423 above average (6% above market). Comparable prices in TN range from $14,399 to $66,895. Similar vehicles spend an average of 43 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in TN

8 comparable vehicles with similar year and mileage