U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
No Photo Available

Vehicle Details

VIN3GTU2NEC7JG620434
TrimSLT
Exterior ColorSilver
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot31

2018 GMC Sierra 1500

SLT

Unscored
$25,481118,548 mi

Platteville, WI 53818

Is this 2018 GMC Sierra 1500 SLT a good deal?

OAV verdict: Unscored

Why: Listed at $25,481, comparable market range $25,230–$31,509, based on 6 comparable listings. Days on lot: 31 days (market average 52 days).

Market price position

25,230
31,509
25,481

$25,481 · within market range

$25,230comparable$31,509
Regional range
$25,230 – $31,509
vs. market
$251 above low · $6,028 below high
Comparable vehicles
6
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1253 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$26,643 – $26,643
Regional Range$25,230 – $31,509

Runde Buick Gmc Of Platteville

Platteville, WI

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

View all vehicles from runde buick gmc of platteville

About This 2018 GMC Sierra 1500

Listing updated: May 31, 2026

Listed by a franchise dealer in Platteville, WI · On lot for 31 days · VIN verifiable at NHTSA

This used 2018 GMC Sierra 1500 SLT is listed at $25,481 by runde buick gmc of platteville in Platteville, WI 53818. It has 118,548 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 Unscored due to insufficient comparable data. Based on 6 similar vehicles in the Platteville market, the estimated market range is $25,230 to $31,509. The local market range in WI is $26,643 to $26,643.

This vehicle has been on the lot for 31 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 Platteville, WI 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 Platteville, WI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU2NEC7JG620434 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 WI

Comparable Vehicles

548

Average Price

$27,745

Price Range

$11,750–$45,389

Avg Days on Lot

52

Based on 548 comparable 2016-2020 GMC Sierra 1500 listings in WI, the average asking price is $27,745. This listing at $25,481 is $2,264 below average (8% below market). Comparable prices in WI range from $11,750 to $45,389. Similar vehicles spend an average of 52 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in WI

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