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

2018 GMC Terrain SLE

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Vehicle Details

VIN3GKALMEX9JL118873
TrimSLE
Exterior ColorBlack
DrivetrainFWD
Engine2.0L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot16

SLE

Fair Price
$15,17582,729 mi

Janesville, WI 53546

Is this 2018 GMC Terrain SLE a good deal?

OAV verdict: Fair Price

Why: Listed at $15,175, comparable market range $9,436–$17,462, based on 26 comparable listings. Listed 16 days.

Market price position

$15,175 · within market range

Comparable range
$9,436 – $17,462
vs. market
$5,739 above low · $2,287 below high
Comparable vehicles
26

Market Retail Price (MRP™)

$13,449

This vehicle $15,175 · $1,726 (13%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$14,908

This vehicle $15,175 · $267 (2%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-21) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Faster recent sell-through, still within the typical window
Faster recent sell-through

Comparable vehicles nationally recently sold in an estimated 1044 days, and this listing is still within that typical selling window.

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 are rebuilt from the market snapshot shown above.

Regional Range$9,436 – $17,462

Kayser Chevrolet Buick Gmc

Janesville, WI

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

About This 2018 GMC Terrain

Listing updated: Aug 21, 2026

Listed by a franchise dealer in Janesville, WI · On lot for 16 days · VIN verifiable at NHTSA

This used 2018 GMC Terrain SLE is listed at $15,175 by kayser chevrolet buick gmc in Janesville, WI 53546. It has 82,729 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a FWD drivetrain with a 2.0L I4 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 26 comparable listings matched to this vehicle, the estimated market range is $9,436 to $17,462. These comparisons match year, make, model, and market, using trim where trim data supports it. OAV does not adjust comparables for odometer — where mileage would distort a verdict, it withholds one instead.

This vehicle has been on the lot for 16 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 Janesville, WI suvs 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 Terrain against similar vehicles currently available in the local and regional market — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. 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.

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 Janesville, WI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALMEX9JL118873 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 processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2018 GMC Terrain Market in WI

WI Market Listings

127

Average Price

$14,822

Price Range

$6,194–$23,995

Avg Days on Lot

90

Based on all 127 2016-2020 GMC Terrain listings in the WI market, the average asking price is $14,822. This listing at $15,175 is $353 above the broader WI average (2% above the WI average). This is a wider, all-trim comparison across WI; OAV's price verdict above uses the closer comparable set. Comparable prices in WI range from $6,194 to $23,995. Similar vehicles spend an average of 90 days on dealer lots in this market.

Similar GMC Terrain Listings in WI

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLE — compare trims below)