Is the $23,154 price on this 2023 GMC Terrain a good deal?

OAV rates this as Fair Price because the asking price of $23,154 is within the typical market range for this vehicle.

How long does a 2023 GMC Terrain typically stay on dealer lots?

Comparable GMC Terrain listings in IL spend an average of 67 days on dealer lots.

Where is this 2023 GMC Terrain located?

This vehicle is listed in Alton, IL 62002. VIN: 3GKALPEG2PL185700. Mileage: 63,780 miles.

What is the fair market price range for this 2023 GMC Terrain?

OAV's Price-to-Market analysis estimates the fair market range is $17,575 to $28,388, based on 22 comparable listings matched to this vehicle.

2023 GMC Terrain SLT for Sale in Alton, IL

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Vehicle Details

VIN3GKALPEG2PL185700

TrimSLT

Exterior ColorWhite

DrivetrainFWD

Engine1.5L I4

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot33

SLT

Fair Price

$23,15463,780 mi

Alton, IL 62002

Is this 2023 GMC Terrain SLT a good deal?

OAV verdict: Fair Price

Why: Listed at $23,154, comparable market range $17,575–$28,388, based on 22 comparable listings. Days on lot: 33 days (market average 67 days).

Market price position

$23,154 · within market range

Comparable range: $17,575 – $28,388
vs. market: $5,579 above low · $5,234 below high
Comparable vehicles: 22

Market Retail Price (MRP™)

$22,982

This vehicle $23,154 · $172 (1%) 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™)

$22,599

This vehicle $23,154 · $555 (2%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-10) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 19–68 days.

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$17,575 – $28,388

Quality Buick Gmc

Alton, IL

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Request availability and out-the-door price

OAV will route your inquiry to Quality Buick Gmc for current availability of this 2023 GMC Terrain 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 2023 GMC Terrain

Listing updated: Aug 10, 2026

Listed by a franchise dealer in Alton, IL · On lot for 33 days · VIN verifiable at NHTSA

This used 2023 GMC Terrain SLT is listed at $23,154 by quality buick gmc in Alton, IL 62002. It has 63,780 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a FWD drivetrain with a 1.5L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 22 comparable listings matched to this vehicle, the estimated market range is $17,575 to $28,388. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 33 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 Alton, IL 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 2023 GMC Terrain against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), 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 a franchise dealer in Alton, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALPEG2PL185700 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.

2023 GMC Terrain Market in IL

IL Market Listings

418

Average Price

$24,396

Price Range

$10,995–$39,185

Avg Days on Lot

Based on all 418 2021-2025 GMC Terrain listings in the IL market, the average asking price is $24,396. This listing at $23,154 is $1,242 below the broader IL average (5% below the IL average). This is a wider, all-trim comparison across IL; OAV's price verdict above uses the closer comparable set. Comparable prices in IL range from $10,995 to $39,185. Similar vehicles spend an average of 67 days on dealer lots in this market.