U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology · Patent Pending for Additional Innovations
OAV
2021 GMC Sierra 2500HD

Vehicle Details

VIN1GT29NE76MF111351
TrimSLT
Exterior ColorBlack
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
MSRP$42,495
Days on Lot150
Days on Market155

2021 GMC Sierra 2500HD

SLT

Fair Price
$42,49549,183 miles

Pittsfield, MA 01201

Market price position

42,495
42,495
42,495

$42,495 · only listing at this price

$42,495 — single data point
Regional range
$42,495 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0

Dealer Info

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Pittsfield, MA

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About This 2021 GMC Sierra 2500HD

Listing updated: Apr 22, 2026

Listed by a franchise dealer in Pittsfield, MA · On lot for 150 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 2500HD SLT is listed at $42,495 by a franchise dealer in Pittsfield, MA 01201. It has 49,183 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 Pittsfield market, the estimated market range is $42,495 to $42,495.

This vehicle has been on the lot for 150 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 2500HD 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 Pittsfield, MA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network. The VIN 1GT29NE76MF111351 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 2500HD Market in MA

Comparable Vehicles

99

Average Price

$53,246

Price Range

$23,995–$62,497

Avg Days on Lot

41

Based on 99 comparable 2019-2023 GMC Sierra 2500HD listings in MA, the average asking price is $53,246. This listing at $42,495 is $10,751 below average (20% below market). Comparable prices in MA range from $23,995 to $62,497. Similar vehicles spend an average of 41 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in MA

8 comparable vehicles with similar year and mileage