
Vehicle Details
2020 GMC Sierra 1500
AT4
Fort Wayne, IN 46818
Is this 2020 GMC Sierra 1500 AT4 a good deal?
OAV verdict: Unscored
Why: Listed at $28,491, comparable market range $27,238–$45,222, based on 8 comparable listings. Days on lot: 155 days (market average 52 days).
Market price position
$28,491 · within market range
- Regional range
- $27,238 – $45,222
- vs. market
- $1,253 above low · $16,731 below high
- Comparable vehicles
- 8
Similar vehicles recently sold in an estimated 16–65 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.
Dealer Info
Fort Wayne, IN
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About This 2020 GMC Sierra 1500
Listing updated: May 17, 2026Listed by an independent dealer in Fort Wayne, IN · On lot for 155 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 AT4 is listed at $28,491 by an independent dealer in Fort Wayne, IN 46818. It has 139,057 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 8 similar vehicles in the Fort Wayne market, the estimated market range is $27,238 to $45,222. The local market range in IN is $33,881 to $33,881.
This vehicle has been on the lot for 155 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 Fort Wayne, IN 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:
- 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 an independent dealer in Fort Wayne, IN, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED5LZ198037 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 IN
Comparable Vehicles
771
Average Price
$33,333
Price Range
$12,495–$62,435
Avg Days on Lot
52
Based on 771 comparable 2018-2022 GMC Sierra 1500 listings in IN, the average asking price is $33,333. This listing at $28,491 is $4,842 below average (15% below market). Comparable prices in IN range from $12,495 to $62,435. Similar vehicles spend an average of 52 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in IN
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)

2019 GMC Sierra 1500
AT4
Huntington, IN

2019 GMC Sierra 1500
AT4
Warsaw, IN

2021 GMC Sierra 1500
AT4
Huntington, IN

2021 GMC Sierra 1500
AT4
Warsaw, IN

2021 GMC Sierra 1500
SLE
Larwill, IN

2019 GMC Sierra 1500
Elevation
Cayuga, IN

2019 GMC Sierra 1500
Elevation
Fort Wayne, IN

2021 GMC Sierra 1500
Elevation
Muncie, IN