U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
No Photo Available

Vehicle Details

VIN1GTP9EED7MZ360557
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot87

2021 GMC Sierra 1500

AT4

Unscored
$40,32575,118 mi

Hardin, MT 59034

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $40,325, comparable market range $40,325–$40,325. Days on lot: 87 days (market average 85 days).

Market price position

40,325
40,325
40,325

$40,325 · only listing at this price

$40,325 — single data point
Regional range
$40,325 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1554 days.

Hardin Chevrolet

Hardin, MT

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

View all vehicles from hardin chevrolet

Request availability and out-the-door price

OAV will route your inquiry to Hardin Chevrolet for current availability of this 2021 GMC Sierra 1500 AT4 and an out-the-door price quote (taxes, fees, addons included).

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

About This 2021 GMC Sierra 1500

Listing updated: Jul 1, 2026

Listed by a franchise dealer in Hardin, MT · On lot for 87 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $40,325 by hardin chevrolet in Hardin, MT 59034. It has 75,118 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 5.3L 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 available similar vehicles in the Hardin market, the estimated market range is $40,325 to $40,325.

This vehicle has been on the lot for 87 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 Hardin, MT 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 Hardin, MT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED7MZ360557 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 MT

Comparable Vehicles

390

Average Price

$39,154

Price Range

$21,990–$62,715

Avg Days on Lot

85

Based on 390 comparable 2019-2023 GMC Sierra 1500 listings in MT, the average asking price is $39,154. This listing at $40,325 is $1,171 above average (3% above market). Comparable prices in MT range from $21,990 to $62,715. Similar vehicles spend an average of 85 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in MT

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