2020 GMC Sierra 1500 AT4
View this vehicle at steve faulkner ford →Vehicle Details
AT4
Mount Carmel, IL 62863
Is this 2020 GMC Sierra 1500 AT4 a good deal?
OAV verdict: Unscored
Why: Listed at $34,108. OAV has not found enough comparable listings for a reliable market range or verdict. Listed 17 days.
Market price position
OAV has not assigned a reliable market verdict to this listing yet — the available comparable evidence isn't sufficient to score it.
Steve Faulkner Ford
Mount Carmel, IL
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Request availability and out-the-door price
OAV will route your inquiry to Steve Faulkner Ford for current availability of this 2020 GMC Sierra 1500 AT4 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: Sep 1, 2026Listed by a franchise dealer in Mount Carmel, IL · On lot for 17 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 AT4 is listed at $34,108 by steve faulkner ford in Mount Carmel, IL 62863. It has 121,366 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Gray. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.
OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Unscored — the available evidence doesn't support a market verdict. OAV has not assigned a reliable comparable market range for this vehicle yet — the available comparable evidence isn't sufficient for a reliable verdict.
This vehicle has been on the lot for 17 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 Mount Carmel, IL trucks market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.
How this deal is rated
OAV compares this 2020 GMC Sierra 1500 against similar vehicles currently available for sale — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. Based on where this listing falls in that comparable set, it is rated:
- Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
- 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 can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.
How this listing is verified
This vehicle listing was aggregated from a franchise dealer in Mount Carmel, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9EEDXLG158200 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.
2020 GMC Sierra 1500 Market in IL
IL Market Listings
363
Average Price
—
Price Range
—
Avg Days on Lot
62
Based on all 363 2018-2022 GMC Sierra 1500 listings in the IL market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 62 days on dealer lots in this market.
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