U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
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Vehicle Details

VIN1GTR1LEC5JZ317956
TrimBase
Exterior ColorBlack
DrivetrainRWD
Engine4.3L V6
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot66

2018 GMC Sierra 1500

Base

Unscored
$22,24881,383 mi

Renton, WA 98057

Is this 2018 GMC Sierra 1500 Base a good deal?

OAV verdict: Unscored

Why: Listed at $22,248, based on 5 comparable listings. Days on lot: 66 days (market average 72 days).

Market price position

Insufficient comparable data to score this listing.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1259 days.

Dealer Info

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Renton, WA

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About This 2018 GMC Sierra 1500

Listing updated: May 27, 2026

Listed by a franchise dealer in Renton, WA · On lot for 66 days · VIN verifiable at NHTSA

This used 2018 GMC Sierra 1500 Base is listed at $22,248 by a franchise dealer in Renton, WA 98057. It has 81,383 miles on the odometer. The exterior color is Black. It features a RWD drivetrain with a 4.3L V6 engine and Automatic transmission.

This vehicle has been on the lot for 66 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 Renton, WA 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 2018 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:

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 Renton, WA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTR1LEC5JZ317956 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.

2018 GMC Sierra 1500 Market in WA

Comparable Vehicles

392

Average Price

$31,498

Price Range

$6,500–$47,495

Avg Days on Lot

72

Based on 392 comparable 2016-2020 GMC Sierra 1500 listings in WA, the average asking price is $31,498. This listing at $22,248 is $9,250 below average (29% below market). Comparable prices in WA range from $6,500 to $47,495. Similar vehicles spend an average of 72 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in WA

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: Base — compare trims below)