Vehicle Details
2020 GMC Sierra 1500
SLT
Gilroy, CA 95020
Is this 2020 GMC Sierra 1500 SLT a good deal?
OAV verdict: Unscored
Why: Listed at $26,519, comparable market range $32,860–$44,995, based on 5 comparable listings. Days on lot: 35 days (market average 66 days).
Market price position
$26,519 · $6,341 below market low
- Regional range
- $32,860 – $44,995
- vs. market low
- — $6,341 (19% below)
- Comparable vehicles
- 5
Similar vehicles recently sold in an estimated 14–57 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.
Gilroy Buick Gmc
Gilroy, CA
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OAV will route your inquiry to Gilroy Buick Gmc for current availability of this 2020 GMC Sierra 1500 SLT 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 2020 GMC Sierra 1500
Listing updated: Jun 14, 2026Listed by a franchise dealer in Gilroy, CA · On lot for 35 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 SLT is listed at $26,519 by gilroy buick gmc in Gilroy, CA 95020. It has 111,394 miles on the odometer. The exterior color is Blue. It features a RWD 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 5 similar vehicles in the Gilroy market, the estimated market range is $32,860 to $44,995.
This vehicle has been on the lot for 35 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 Gilroy, CA 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.
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 Gilroy, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP8DED8LG117917 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 CA
Comparable Vehicles
899
Average Price
$35,725
Price Range
$11,080–$65,000
Avg Days on Lot
66
Based on 899 comparable 2018-2022 GMC Sierra 1500 listings in CA, the average asking price is $35,725. This listing at $26,519 is $9,206 below average (26% below market). Comparable prices in CA range from $11,080 to $65,000. Similar vehicles spend an average of 66 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in CA
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLT — compare trims below)
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2018 GMC Sierra 1500
Base
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2018 GMC Sierra 1500
Base
Dinuba, CA
2018 GMC Sierra 1500
Base
Lafayette, CA
2018 GMC Sierra 1500
Base
Roseville, CA
2018 GMC Sierra 1500
Base
Pittsburg, CA
2018 GMC Sierra 1500
Base
Goleta, CA