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

VIN1GTP9EEL3LZ352297
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot3

2020 GMC Sierra 1500

AT4

Unscored
$43,98855,785 mi

Billings, MT 59102

Is this 2020 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $43,988, comparable market range $32,995–$41,988, based on 5 comparable listings. Days on lot: 3 days (market average 92 days).

Market price position

32,995
41,988
43,988

$43,988 · $2,000 above market high

$32,995comparable$41,988
Regional range
$32,995 – $41,988
vs. market high
+ $2,000 (5% above)
Comparable vehicles
5
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1665 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$32,995 – $41,988

Dealer Info

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Billings, MT

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About This 2020 GMC Sierra 1500

Listing updated: May 27, 2026

Listed by an independent dealer in Billings, MT · On lot for 3 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 AT4 is listed at $43,988 by an independent dealer in Billings, MT 59102. It has 55,785 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 Unscored due to insufficient comparable data. Based on 5 similar vehicles in the Billings market, the estimated market range is $32,995 to $41,988.

This vehicle has been on the lot for 3 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 Billings, 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 2020 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 an independent dealer in Billings, MT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EEL3LZ352297 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.

2020 GMC Sierra 1500 Market in MT

Comparable Vehicles

322

Average Price

$36,435

Price Range

$18,697–$53,495

Avg Days on Lot

92

Based on 322 comparable 2018-2022 GMC Sierra 1500 listings in MT, the average asking price is $36,435. This listing at $43,988 is $7,553 above average (21% above market). Comparable prices in MT range from $18,697 to $53,495. Similar vehicles spend an average of 92 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)