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

VIN3GTU2NEC2JG627792
TrimSLT
Exterior ColorSilver
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot17

2018 GMC Sierra 1500

SLT

Fair Price
$30,23081,067 mi

Portland, OR 97233

Is this 2018 GMC Sierra 1500 SLT a good deal?

OAV verdict: Fair Price

Why: Listed at $30,230, comparable market range $23,870–$33,205, based on 31 comparable listings. Days on lot: 17 days (market average 51 days).

Market price position

23,870
33,205
30,230

$30,230 · within market range

$23,870comparable$33,205
Regional range
$23,870 – $33,205
vs. market
$6,360 above low · $2,975 below high
Comparable vehicles
31
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1142 days.

What does Demand-Verified mean?

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$29,248 – $29,248
Regional Range$23,870 – $33,205

Ron Tonkin Toyota

Portland, OR

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

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Request availability and out-the-door price

OAV will route your inquiry to Ron Tonkin Toyota for current availability of this 2018 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 2018 GMC Sierra 1500

Listing updated: Jul 11, 2026

Listed by a franchise dealer in Portland, OR · On lot for 17 days · VIN verifiable at NHTSA

This used 2018 GMC Sierra 1500 SLT is listed at $30,230 by ron tonkin toyota in Portland, OR 97233. It has 81,067 miles on the odometer. The exterior color is Silver. 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 31 similar vehicles in the Portland market, the estimated market range is $23,870 to $33,205. The local market range in OR is $29,248 to $29,248.

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 Portland, OR 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 Portland, OR, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU2NEC2JG627792 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 OR

Comparable Vehicles

389

Average Price

$32,072

Price Range

$6,995–$47,998

Avg Days on Lot

51

Based on 389 comparable 2016-2020 GMC Sierra 1500 listings in OR, the average asking price is $32,072. This listing at $30,230 is $1,842 below average (6% below market). Comparable prices in OR range from $6,995 to $47,998. Similar vehicles spend an average of 51 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in OR

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