Vehicle Details
2018 GMC Sierra 1500
Base
Rialto, CA 92376
Market price position
$31,995 · $4,000 above market high
- Regional range
- $12,495 – $27,995
- vs. market high
- + $4,000 (14% above)
- Comparable vehicles
- 5
Similar vehicles recently sold in an estimated 17–62 days.
What does Demand-Verified mean?
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
Rialto, CA
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About This 2018 GMC Sierra 1500
Listing updated: May 2, 2026Listed by an independent dealer in Rialto, CA · On lot for 57 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 1500 Base is listed at $31,995 by an independent dealer in Rialto, CA 92376. It has 34,998 miles on the odometer. The exterior color is White. It features a RWD drivetrain with a 4.3L V6 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 5 similar vehicles in the Rialto market, the estimated market range is $12,495 to $27,995.
This vehicle has been on the lot for 57 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 2018 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 Rialto, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTN1LEC6JZ237158 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.
2018 GMC Sierra 1500 Market in CA
Comparable Vehicles
552
Average Price
$29,472
Price Range
$11,595–$49,950
Avg Days on Lot
84
Based on 552 comparable 2016-2020 GMC Sierra 1500 listings in CA, the average asking price is $29,472. This listing at $31,995 is $2,523 above average (9% above market). Comparable prices in CA range from $11,595 to $49,950. Similar vehicles spend an average of 84 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in CA
8 comparable vehicles with similar year and mileage
2018 GMC Sierra 1500
Hanford, CA
2016 GMC Sierra 1500
Spring Valley, CA
2018 GMC Sierra 1500
Irvine, CA
2020 GMC Sierra 1500
Pasadena, CA
2020 GMC Sierra 1500
Costa Mesa, CA
2020 GMC Sierra 1500
Fontana, CA
2020 GMC Sierra 1500
Citrus Heights, CA
2020 GMC Sierra 1500
Fontana, CA