Vehicle Details
2020 GMC Sierra 1500
SLT
Costa Mesa, CA 92626
Market price position
$32,995 · within market range
- Regional range
- $27,995 – $41,073
- vs. market
- $5,000 above low · $8,078 below high
- Comparable vehicles
- 21
Similar vehicles recently sold in an estimated 16–69 days.
- This listing has been on market about 6.0x longer than typical for similar vehicles (cohort sells in 16–69 days; this one is at 414). 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
Costa Mesa, CA
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About This 2020 GMC Sierra 1500
Listing updated: May 2, 2026Listed by an independent dealer in Costa Mesa, CA · On lot for 414 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 SLT is listed at $32,995 by an independent dealer in Costa Mesa, CA 92626. It has 58,563 miles on the odometer. The exterior color is Silver. 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 Fair Price — priced at market value. Based on 21 similar vehicles in the Costa Mesa market, the estimated market range is $27,995 to $41,073.
This vehicle has been on the lot for 414 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 an independent dealer in Costa Mesa, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP8DED3LZ107179 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
958
Average Price
$35,774
Price Range
$11,595–$58,000
Avg Days on Lot
68
Based on 958 comparable 2018-2022 GMC Sierra 1500 listings in CA, the average asking price is $35,774. This listing at $32,995 is $2,779 below average (8% below market). Comparable prices in CA range from $11,595 to $58,000. Similar vehicles spend an average of 68 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in CA
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2018 GMC Sierra 1500
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2018 GMC Sierra 1500
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2018 GMC Sierra 1500
Orange, CA
2018 GMC Sierra 1500
Irvine, CA
2018 GMC Sierra 1500
Chula Vista, CA
2019 GMC Sierra 1500
Folsom, CA