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

Vehicle Details

VIN1GTP9EEL9MZ278420
TrimAT4
Exterior ColorGray
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot52

2021 GMC Sierra 1500

AT4

Unscored
$40,000121,262 mi

Pilot Mountain, NC 27041

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $40,000, comparable market range $37,888–$41,695, based on 8 comparable listings. Days on lot: 52 days (market average 38 days).

Market price position

37,888
41,695
40,000

$40,000 · within market range

$37,888comparable$41,695
Regional range
$37,888 – $41,695
vs. market
$2,112 above low · $1,695 below high
Comparable vehicles
8
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$37,888 – $41,695

Dealer Info

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Pilot Mountain, NC

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About This 2021 GMC Sierra 1500

Listing updated: May 18, 2026

Listed by a franchise dealer in Pilot Mountain, NC · On lot for 52 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $40,000 by a franchise dealer in Pilot Mountain, NC 27041. It has 121,262 miles on the odometer. The exterior color is Gray. 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 Unscored due to insufficient comparable data. Based on 8 similar vehicles in the Pilot Mountain market, the estimated market range is $37,888 to $41,695.

This vehicle has been on the lot for 52 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 Pilot Mountain, NC 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:

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 Pilot Mountain, NC, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EEL9MZ278420 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 NC

Comparable Vehicles

3,588

Average Price

$42,497

Price Range

$12,084–$70,693

Avg Days on Lot

38

Based on 3,588 comparable 2019-2023 GMC Sierra 1500 listings in NC, the average asking price is $42,497. This listing at $40,000 is $2,497 below average (6% below market). Comparable prices in NC range from $12,084 to $70,693. Similar vehicles spend an average of 38 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in NC

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