U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology · Patent Pending for Additional Innovations
OAV
2020 GMC Sierra 1500

Vehicle Details

VIN1GTP9EED2LZ361274
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot51
Days on Market326

2020 GMC Sierra 1500

AT4

Fair Price
$33,35090,285 miles

Somersworth, NH 03878

Market price position

32,999
40,987
33,350

$33,350 · within market range

$32,999comparable$40,987
Regional range
$32,999 – $40,987
vs. market
$351 above low · $7,637 below high
Comparable vehicles
24
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1665 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.

Regional Range$32,999 – $40,987

Dealer Info

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Somersworth, NH

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About This 2020 GMC Sierra 1500

Listing updated: May 2, 2026

Listed by a franchise dealer in Somersworth, NH · On lot for 51 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 AT4 is listed at $33,350 by a franchise dealer in Somersworth, NH 03878. It has 90,285 miles on the odometer. The exterior color is Black. 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 24 similar vehicles in the Somersworth market, the estimated market range is $32,999 to $40,987.

This vehicle has been on the lot for 51 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:

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 Somersworth, NH, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED2LZ361274 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 NH

Comparable Vehicles

354

Average Price

$33,831

Price Range

$16,995–$49,999

Avg Days on Lot

37

Based on 354 comparable 2018-2022 GMC Sierra 1500 listings in NH, the average asking price is $33,831. This listing at $33,350 is $481 below average (1% below market). Comparable prices in NH range from $16,995 to $49,999. Similar vehicles spend an average of 37 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in NH

8 comparable vehicles with similar year and mileage