Is the $15,988 price on this 2020 GMC Terrain a good deal?

OAV rates this as Fair Price because the asking price of $15,988 is within the typical market range for this vehicle.

How long does a 2020 GMC Terrain typically stay on dealer lots?

Comparable GMC Terrain listings in PA spend an average of 76 days on dealer lots.

Where is this 2020 GMC Terrain located?

This vehicle is listed in Exton, PA 19341. VIN: 3GKALTEV1LL135078. Mileage: 79,247 miles.

What is the fair market price range for this 2020 GMC Terrain?

OAV's Price-to-Market analysis estimates the fair market range is $12,995 to $21,949, based on 68 comparable listings matched to this vehicle.

2020 GMC Terrain SLE for Sale in Exton, PA

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Vehicle Details

VIN3GKALTEV1LL135078

TrimSLE

Exterior ColorWhite

Drivetrain4WD

Engine1.5L I4

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot36

SLE

Fair Price

$15,98879,247 mi

Exton, PA 19341

Is this 2020 GMC Terrain SLE a good deal?

OAV verdict: Fair Price

Why: Listed at $15,988, comparable market range $12,995–$21,949, based on 68 comparable listings. Days on lot: 36 days (market average 76 days).

Market price position

$15,988 · within market range

Comparable range: $12,995 – $21,949
vs. market: $2,993 above low · $5,961 below high
Comparable vehicles: 68

Market Retail Price (MRP™)

$17,472

This vehicle $15,988 · $1,484 (8%) below 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™)

$17,234

This vehicle $15,988 · $1,246 (7%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-06) — 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 12–45 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.

Local Range$17,981 – $17,981

Regional Range$12,995 – $21,949

Reedman-Toll Subaru Of Exton

Exton, PA

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

View all vehicles from reedman-toll subaru of exton →

Request availability and out-the-door price

OAV will route your inquiry to Reedman-Toll Subaru Of Exton for current availability of this 2020 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 2020 GMC Terrain

Listing updated: Aug 6, 2026

Listed by a franchise dealer in Exton, PA · On lot for 36 days · VIN verifiable at NHTSA

This used 2020 GMC Terrain SLE is listed at $15,988 by reedman-toll subaru of exton in Exton, PA 19341. It has 79,247 miles on the odometer (dealer-reported, not independently verified by OAV). 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 Fair Price — priced at market value. Based on 68 comparable listings matched to this vehicle, the estimated market range is $12,995 to $21,949. 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 36 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 Exton, PA 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 2020 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 Exton, PA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALTEV1LL135078 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.

2020 GMC Terrain Market in PA

PA Market Listings

265

Average Price

$19,058

Price Range

$6,900–$29,190

Avg Days on Lot

Based on all 265 2018-2022 GMC Terrain listings in the PA market, the average asking price is $19,058. This listing at $15,988 is $3,070 below the broader PA average (16% below the PA average). This is a wider, all-trim comparison across PA; OAV's price verdict above uses the closer comparable set. Comparable prices in PA range from $6,900 to $29,190. Similar vehicles spend an average of 76 days on dealer lots in this market.