2020 GMC Sierra 1500 SLT
Vehicle Details
SLT
Olyphant, PA 18447
Is this 2020 GMC Sierra 1500 SLT a good deal?
OAV verdict: Fair Price
Why: Listed at $34,990, comparable market range $31,068–$44,470, based on 18 comparable listings. Days on lot: 157 days (market average 61 days).
Market price position
$34,990 · within market range
- Comparable range
- $31,068 – $44,470
- vs. market
- $3,922 above low · $9,480 below high
- Comparable vehicles
- 18
Market Retail Price (MRP™)
$37,769This vehicle $34,990 · $2,779 (7%) below MRP
MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.
True Retail Value (TRV™)
$35,053This vehicle $34,990 · $63 (0%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-01) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 15–50 days.
- This listing has been available about 3.1x longer than comparable vehicles typically take to sell (cohort sells in 15–50 days; this one is at 157). Confirm its history, condition, availability, and out-the-door price before proceeding.
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.
Eynon Gmc
Olyphant, PA
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Eynon 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: Aug 1, 2026Listed by a franchise dealer in Olyphant, PA · On lot for 157 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 SLT is listed at $34,990 by eynon gmc in Olyphant, PA 18447. It has 74,963 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Red. It features a 4WD 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 18 comparable listings matched to this vehicle, the estimated market range is $31,068 to $44,470. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).
This vehicle has been on the lot for 157 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 Olyphant, PA 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 a franchise dealer in Olyphant, PA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU9DED3LG148802 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 PA
PA Market Listings
262
Average Price
$34,840
Price Range
$13,595–$62,000
Avg Days on Lot
61
Based on all 262 2018-2022 GMC Sierra 1500 listings in the PA market, the average asking price is $34,840. This listing at $34,990 is $150 above the broader PA average (0% above the PA average). This is a wider, all-trim comparison across PA; OAV's price verdict above uses the closer comparable set. Comparable prices in PA range from $13,595 to $62,000. Similar vehicles spend an average of 61 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in PA
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)
2018 GMC Sierra 1500
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2018 GMC Sierra 1500
SLT
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2018 GMC Sierra 1500
SLT
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2018 GMC Sierra 1500
Base
Mechanicsburg, PA
2018 GMC Sierra 1500
Base
East Stroudsburg, PA
2018 GMC Sierra 1500
SLE
Butler, PA
2018 GMC Sierra 1500
SLE
Chambersburg, PA
2018 GMC Sierra 1500
SLE
Forest City, PA