Is the $24,999 price on this 2020 GMC Sierra 1500 a good deal?

OAV has not assigned a market verdict to this listing yet because there isn't enough comparable market data.

How long does a 2020 GMC Sierra 1500 typically stay on dealer lots?

Comparable GMC Sierra 1500 listings in CA spend an average of 75 days on dealer lots.

Where is this 2020 GMC Sierra 1500 located?

This vehicle is listed in Manteca, CA 95336. VIN: 3GTP8DED4LG237570. Mileage: 140,715 miles.

2020 GMC Sierra 1500 SLT for Sale in Manteca, CA

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Vehicle Details

VIN3GTP8DED4LG237570

TrimSLT

Exterior ColorWhite

DrivetrainRWD

Engine5.3L V8

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot19

SLT

Unscored

$24,999140,715 mi

Manteca, CA 95336

Is this 2020 GMC Sierra 1500 SLT a good deal?

OAV verdict: Unscored

Why: Listed at $24,999. OAV found only 6 comparable listings — too few for a reliable market range or verdict. Days on lot: 19 days (market average 75 days).

Market price position

Limited comparable data — OAV has not assigned a reliable market verdict to this listing yet.

Comparable vehicles nationally recently sold in an estimated 12–47 days.

Verify before inquiring

This listing is priced about 34% below the lowest comparable vehicle in the regional market. A discount this steep is unusual — confirm the vehicle's title status, history, condition, and out-the-door price (pull a vehicle history report and review the photos) before inquiring.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Regional Range$38,044 – $45,998

Fm Auto Resource

Manteca, CA

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from fm auto resource →

Request availability and out-the-door price

OAV will route your inquiry to Fm Auto Resource 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: Aug 4, 2026

Listed by an independent dealer in Manteca, CA · On lot for 19 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 SLT is listed at $24,999 by fm auto resource in Manteca, CA 95336. It has 140,715 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. 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. OAV has not assigned a reliable comparable market range for this vehicle yet — the comparable set is too limited.

This vehicle has been on the lot for 19 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 Manteca, 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 (currently across available trims and configurations; trim-level matching is rolling out), 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 an independent dealer in Manteca, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP8DED4LG237570 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 processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2020 GMC Sierra 1500 Market in CA

CA Market Listings

358

Average Price

$33,228

Price Range

$12,998–$65,135

Avg Days on Lot

Based on all 358 2018-2022 GMC Sierra 1500 listings in the CA market, the average asking price is $33,228. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Comparable prices in CA range from $12,998 to $65,135. Similar vehicles spend an average of 75 days on dealer lots in this market.