Vehicle Details
2020 GMC Sierra 1500
AT4
Casper, WY 82609
Market price position
$34,899 · only listing at this price
- Regional range
- $34,899 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 14–55 days.
- This listing has been on market about 3.3x longer than typical for similar vehicles (cohort sells in 14–55 days; this one is at 184). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.
Dealer Info
Casper, WY
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About This 2020 GMC Sierra 1500
Listing updated: May 5, 2026Listed by a franchise dealer in Casper, WY · On lot for 184 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 AT4 is listed at $34,899 by a franchise dealer in Casper, WY 82609. It has 101,454 miles on the odometer. The exterior color is Gray. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on available similar vehicles in the Casper market, the estimated market range is $34,899 to $34,899. The local market range in WY is $40,970 to $42,936.
This vehicle has been on the lot for 184 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 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:
- Great Deal — priced below the typical range for comparable vehicles.
- Fair Price — priced within the expected range for comparable vehicles.
- Overpriced — priced above the typical range for comparable vehicles.
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 Casper, WY, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTU9EET2LZ259449 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 WY
Comparable Vehicles
84
Average Price
$36,973
Price Range
$26,489–$52,079
Avg Days on Lot
67
Based on 84 comparable 2018-2022 GMC Sierra 1500 listings in WY, the average asking price is $36,973. This listing at $34,899 is $2,074 below average (6% below market). Comparable prices in WY range from $26,489 to $52,079. Similar vehicles spend an average of 67 days on dealer lots in this market.
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