Is the $36,126 price on this 2020 GMC Sierra 1500 a good deal?

OAV rates this as Fair Price because the asking price of $36,126 is within the typical market range for this vehicle.

What is the average price for a 2020 GMC Sierra 1500 in PA?

Based on 1,397 comparable listings in PA, the average asking price for a 2018-2022 GMC Sierra 1500 is $36,303, with prices ranging from $14,995 to $58,995.

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

Comparable GMC Sierra 1500 listings in PA spend an average of 44 days on dealer lots.

Where is this 2020 GMC Sierra 1500 located?

This vehicle is listed in Allentown, PA 18104. VIN: 1GTU9DETXLZ333145. Mileage: 78,275 miles.

What is the fair market price range for this 2020 GMC Sierra 1500?

OAV's Price-to-Market analysis estimates the fair market range is $25,698 to $43,800, based on 29 comparable vehicles.

Vehicle Details

VIN1GTU9DETXLZ333145

TrimSLT

Exterior ColorGray

Drivetrain4WD

Engine3.0L I6

TransmissionAutomatic

Fuel TypeDiesel

Inventory Typeused

Days on Lot7

Days on Market68

2020 GMC Sierra 1500

SLT

Fair Price

$36,12678,275 miles

Allentown, PA 18104

Market price position

Lowest comparable ($)

25,698

Highest comparable ($)

43,800

This vehicle's price ($)

36,126

$36,126 · within market range

$25,698comparable$43,800

Regional range: $25,698 – $43,800
vs. market: $10,428 above low · $7,674 below high
Comparable vehicles: 29

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 18–77 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Local Range$25,698 – $25,698

Regional Range$25,698 – $43,800

Dealer Info

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Allentown, PA

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About This 2020 GMC Sierra 1500

Listing updated: Apr 30, 2026

Listed by a franchise dealer in Allentown, PA · On lot for 7 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 SLT is listed at $36,126 by a franchise dealer in Allentown, PA 18104. It has 78,275 miles on the odometer. The exterior color is Gray. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 29 similar vehicles in the Allentown market, the estimated market range is $25,698 to $43,800. The local market range in PA is $25,698 to $25,698.

This vehicle has been on the lot for 7 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 a franchise dealer in Allentown, PA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTU9DETXLZ333145 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 PA

Comparable Vehicles

1,397

Average Price

$36,303

Price Range

$14,995–$58,995

Avg Days on Lot

Based on 1,397 comparable 2018-2022 GMC Sierra 1500 listings in PA, the average asking price is $36,303. This listing at $36,126 is $177 below average (0% below market). Comparable prices in PA range from $14,995 to $58,995. Similar vehicles spend an average of 44 days on dealer lots in this market.