Is the $20,584 price on this 2020 GMC Terrain a good deal?

OAV rates this as Fair Price because the asking price of $20,584 is within the typical market range for this vehicle.

What is the average price for a 2020 GMC Terrain in SD?

Based on 64 comparable listings in SD, the average asking price for a 2018-2022 GMC Terrain is $20,279, with prices ranging from $6,975 to $30,150.

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

Comparable GMC Terrain listings in SD spend an average of 92 days on dealer lots.

Where is this 2020 GMC Terrain located?

This vehicle is listed in Spearfish, SD 57783. VIN: 3GKALXEX8LL177014. Mileage: 111,870 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 $20,584 to $20,584, based on available comparable vehicles.

Vehicle Details

VIN3GKALXEX8LL177014

TrimDenali

Exterior ColorWhite

Drivetrain4WD

Engine2.0L I4

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot37

Days on Market161

2020 GMC Terrain

Denali

Unscored

$20,584111,870 miles

Spearfish, SD 57783

Market price position

Lowest comparable ($)

20,584

Highest comparable ($)

20,584

This vehicle's price ($)

20,584

$20,584 · only listing at this price

$20,584 — single data point

Regional range: $20,584 (0 listings)
vs. market: Exact match — no spread
Comparable vehicles: 0

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 20–81 days.

Dealer Info

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Spearfish, SD

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About This 2020 GMC Terrain

Listing updated: May 13, 2026

Listed by a franchise dealer in Spearfish, SD · On lot for 37 days · VIN verifiable at NHTSA

This used 2020 GMC Terrain Denali is listed at $20,584 by a franchise dealer in Spearfish, SD 57783. It has 111,870 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 2.0L 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 Spearfish market, the estimated market range is $20,584 to $20,584.

This vehicle has been on the lot for 37 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 Spearfish, SD 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, 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.

This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Spearfish, SD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALXEX8LL177014 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.

2020 GMC Terrain Market in SD

Comparable Vehicles

Average Price

$20,279

Price Range

$6,975–$30,150

Avg Days on Lot

Based on 64 comparable 2018-2022 GMC Terrain listings in SD, the average asking price is $20,279. This listing at $20,584 is $305 above average (2% above market). Comparable prices in SD range from $6,975 to $30,150. Similar vehicles spend an average of 92 days on dealer lots in this market.