
Vehicle Details
2020 GMC Terrain
SLE
Belleville, IL 62220
Market price position
$14,941 · within market range
- Regional range
- $13,995 – $21,950
- vs. market
- $946 above low · $7,009 below high
- Comparable vehicles
- 10
Similar vehicles recently sold in an estimated 19–81 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
Belleville, IL
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About This 2020 GMC Terrain
Listing updated: May 15, 2026Listed by a franchise dealer in Belleville, IL · On lot for 50 days · VIN verifiable at NHTSA
This used 2020 GMC Terrain SLE is listed at $14,941 by a franchise dealer in Belleville, IL 62220. It has 111,782 miles on the odometer. The exterior color is Gray. 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 10 similar vehicles in the Belleville market, the estimated market range is $13,995 to $21,950.
This vehicle has been on the lot for 50 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 Belleville, 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 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 Belleville, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALMEV4LL341663 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 IL
Comparable Vehicles
649
Average Price
$18,623
Price Range
$8,995–$30,400
Avg Days on Lot
58
Based on 649 comparable 2018-2022 GMC Terrain listings in IL, the average asking price is $18,623. This listing at $14,941 is $3,682 below average (20% below market). Comparable prices in IL range from $8,995 to $30,400. Similar vehicles spend an average of 58 days on dealer lots in this market.
Similar GMC Terrain Listings in IL
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLE — compare trims below)

2018 GMC Terrain
SLE
Belleville, IL

2018 GMC Terrain
SLE
O'fallon, IL

2018 GMC Terrain
SLE
Shiloh, IL

2018 GMC Terrain
SLE
Crest Hill, IL

2018 GMC Terrain
SLE
Galesburg, IL

2018 GMC Terrain
SLE
Aurora, IL

2018 GMC Terrain
SLE
Springfield, IL

2018 GMC Terrain
SLE
Taylorville, IL