U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology · Patent Pending for Additional Innovations
OAV
2021 GMC Sierra 3500HD

Vehicle Details

VIN1GD39SE7XMF187573
TrimBase
Exterior ColorBlack
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
MSRP$49,995
Days on Lot12
Days on Market32

2021 GMC Sierra 3500HD

Base

Fair Price
$49,99555,354 miles

Tannersville, NY 12485

Market price position

49,995
49,995
49,995

$49,995 · only listing at this price

$49,995 — single data point
Regional range
$49,995 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0

Dealer Info

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Tannersville, NY

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About This 2021 GMC Sierra 3500HD

Listing updated: Apr 23, 2026

Listed by a franchise dealer in Tannersville, NY · On lot for 12 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 3500HD Base is listed at $49,995 by a franchise dealer in Tannersville, NY 12485. It has 55,354 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 6.6L 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 Tannersville market, the estimated market range is $49,995 to $49,995.

This vehicle has been on the lot for 12 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 3500HD 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 Tannersville, NY, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network. The VIN 1GD39SE7XMF187573 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 3500HD Market in NY

Comparable Vehicles

55

Average Price

$53,467

Price Range

$37,900–$64,803

Avg Days on Lot

44

Based on 55 comparable 2019-2023 GMC Sierra 3500HD listings in NY, the average asking price is $53,467. This listing at $49,995 is $3,472 below average (6% below market). Comparable prices in NY range from $37,900 to $64,803. Similar vehicles spend an average of 44 days on dealer lots in this market.

Similar GMC Sierra 3500HD Listings in NY

8 comparable vehicles with similar year and mileage