U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
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Vehicle Details

VIN3GTP9EEL9MG460635
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot80

2021 GMC Sierra 1500

AT4

Fair Price
$34,38783,571 mi

Massillon, OH 44646

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Fair Price

Why: Listed at $34,387, comparable market range $31,800–$42,800, based on 11 comparable listings. Days on lot: 80 days (market average 48 days).

Market price position

31,800
42,800
34,387

$34,387 · within market range

$31,800comparable$42,800
Regional range
$31,800 – $42,800
vs. market
$2,587 above low · $8,413 below high
Comparable vehicles
11
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.

Regional Range$31,800 – $42,800

Diehl Subaru Of Massillon

Massillon, OH

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from diehl subaru of massillon

About This 2021 GMC Sierra 1500

Listing updated: May 31, 2026

Listed by a franchise dealer in Massillon, OH · On lot for 80 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $34,387 by diehl subaru of massillon in Massillon, OH 44646. It has 83,571 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 6.2L 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 11 similar vehicles in the Massillon market, the estimated market range is $31,800 to $42,800.

This vehicle has been on the lot for 80 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader Massillon, OH trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

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:

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Massillon, OH, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9EEL9MG460635 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 OH

Comparable Vehicles

1,675

Average Price

$37,933

Price Range

$15,950–$65,989

Avg Days on Lot

48

Based on 1,675 comparable 2019-2023 GMC Sierra 1500 listings in OH, the average asking price is $37,933. This listing at $34,387 is $3,546 below average (9% below market). Comparable prices in OH range from $15,950 to $65,989. Similar vehicles spend an average of 48 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in OH

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)