Vehicle Details
2021 GMC Terrain
SLE
Lone Tree, CO 80124
Is this 2021 GMC Terrain SLE a good deal?
OAV verdict: Unscored
Why: Listed at $20,981, comparable market range $20,981–$20,981. Days on lot: 24 days (market average 67 days).
Market price position
$20,981 · only listing at this price
- Regional range
- $20,981 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 13–65 days.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.
Dealer Info
Lone Tree, CO
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About This 2021 GMC Terrain
Listing updated: May 16, 2026Listed by a franchise dealer in Lone Tree, CO · On lot for 24 days · VIN verifiable at NHTSA
This used 2021 GMC Terrain SLE is listed at $20,981 by a franchise dealer in Lone Tree, CO 80124. It has 51,769 miles on the odometer. The exterior color is Gray. 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 Lone Tree market, the estimated market range is $20,981 to $20,981.
This vehicle has been on the lot for 24 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 Lone Tree, CO 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 2021 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 Lone Tree, CO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALTEV6ML389242 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.
2021 GMC Terrain Market in CO
Comparable Vehicles
237
Average Price
$20,494
Price Range
$8,980–$33,712
Avg Days on Lot
67
Based on 237 comparable 2019-2023 GMC Terrain listings in CO, the average asking price is $20,494. This listing at $20,981 is $487 above average (2% above market). Comparable prices in CO range from $8,980 to $33,712. Similar vehicles spend an average of 67 days on dealer lots in this market.
Similar GMC Terrain Listings in CO
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLE — compare trims below)
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SLE
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SLE
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