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

Vehicle Details

VIN1GT49PE7XMF218696
TrimAT4
Exterior ColorBrown
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeE85 / Unleaded
Inventory Typeused
Days on Lot4
Days on Market18

2021 GMC Sierra 2500HD

AT4

Great Deal
$46,99994,170 miles

Lockport, NY 14094

Market price position

57,550
57,550
46,999

$46,999 · $10,551 below the market benchmark

$57,550 — single data point
Regional range
$57,550 (4 listings)
vs. market low
— $10,551 (18% below)
Comparable vehicles
4
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 2171 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$57,550 – $57,550
Regional Range$45,999 – $65,220

Dealer Info

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Lockport, NY

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About This 2021 GMC Sierra 2500HD

Listing updated: Apr 27, 2026

Listed by a franchise dealer in Lockport, NY · On lot for 4 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 2500HD AT4 is listed at $46,999 by a franchise dealer in Lockport, NY 14094. It has 94,170 miles on the odometer. The exterior color is Brown. 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 a Great Deal — priced below market value. Based on 4 similar vehicles in the Lockport market, the estimated market range is $57,550 to $57,550. The local market range in NY is $57,550 to $57,550.

This vehicle has been on the lot for 4 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 Lockport, NY, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network. The VIN 1GT49PE7XMF218696 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 NY

Comparable Vehicles

532

Average Price

$52,958

Price Range

$22,900–$66,500

Avg Days on Lot

54

Based on 532 comparable 2019-2023 GMC Sierra 2500HD listings in NY, the average asking price is $52,958. This listing at $46,999 is $5,959 below average (11% below market). Comparable prices in NY range from $22,900 to $66,500. Similar vehicles spend an average of 54 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in NY

8 comparable vehicles with similar year and mileage