Is the $18,295 price on this 2018 GMC Terrain a good deal?

OAV rates this as Fair Price because the asking price of $18,295 is within the typical market range for this vehicle.

What is the average price for a 2018 GMC Terrain in ID?

Based on 44 comparable listings in ID, the average asking price for a 2016-2020 GMC Terrain is $16,653, with prices ranging from $8,995 to $22,995.

How long does a 2018 GMC Terrain typically stay on dealer lots?

Comparable GMC Terrain listings in ID spend an average of 102 days on dealer lots.

Where is this 2018 GMC Terrain located?

This vehicle is listed in Boise, ID 83703. VIN: 3GKALTEV9JL274596. Mileage: 92,206 miles.

No Photo Available

Vehicle Details

VIN3GKALTEV9JL274596

TrimSLE

Exterior ColorWhite

Drivetrain4WD

Engine1.5L I4

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot149

2018 GMC Terrain

SLE

Unscored

$18,29592,206 mi

Boise, ID 83703

Is this 2018 GMC Terrain SLE a good deal?

OAV verdict: Unscored

Why: Listed at $18,295, comparable market range $18,295–$18,295. Days on lot: 149 days (market average 102 days).

Market price position

$18,295 · only listing at this price

$18,295 — single data point

Regional range: $18,295 (0 listings)
vs. market: Exact match — no spread
Comparable vehicles: 0

Market Retail Price (MRP™)

$18,295

This vehicle $18,295 · priced at 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™)

$14,371

This vehicle $18,295 · $3,924 (27%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-19) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Faster-than-average sell-through

Similar vehicles recently sold in an estimated 10–39 days.

What does Demand-Verified mean?

Verify before inquiring

This listing has been on market about 3.8x longer than typical for similar vehicles (cohort sells in 10–39 days; this one is at 149). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.

Ace Auto Sales

Boise, ID

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

View all vehicles from ace auto sales →

Request availability and out-the-door price

OAV will route your inquiry to Ace Auto Sales for current availability of this 2018 GMC Terrain SLE 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 Terrain

Listing updated: Jul 19, 2026

Listed by an independent dealer in Boise, ID · On lot for 149 days · VIN verifiable at NHTSA

This used 2018 GMC Terrain SLE is listed at $18,295 by ace auto sales in Boise, ID 83703. It has 92,206 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 1.5L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on available similar vehicles in the Boise market, the estimated market range is $18,295 to $18,295.

This vehicle has been on the lot for 149 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 Boise, ID 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, filtered for comparable mileage. 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 an independent dealer in Boise, ID, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALTEV9JL274596 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 updated continuously; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2018 GMC Terrain Market in ID

Comparable Vehicles

Average Price

$16,653

Price Range

$8,995–$22,995

Avg Days on Lot

102

Based on 44 comparable 2016-2020 GMC Terrain listings in ID, the average asking price is $16,653. This listing at $18,295 is $1,642 above average (10% above market). Comparable prices in ID range from $8,995 to $22,995. Similar vehicles spend an average of 102 days on dealer lots in this market.