Vehicle Details
2020 GMC Terrain
SLE
San Antonio, TX 78229
Is this 2020 GMC Terrain SLE a good deal?
OAV verdict: Great Deal
Why: Listed at $12,850, comparable market range $17,107–$19,723, based on 15 comparable listings. Days on lot: 70 days (market average 61 days).
Market price position
$12,850 · $4,257 below market low
- Regional range
- $17,107 – $19,723
- vs. market low
- — $4,257 (25% below)
- Comparable vehicles
- 15
Similar vehicles recently sold in an estimated 15–74 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.
Heritage Auto Of San Antonio
San Antonio, TX
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Heritage Auto Of San Antonio 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: Jun 20, 2026Listed by an independent dealer in San Antonio, TX · On lot for 70 days · VIN verifiable at NHTSA
This used 2020 GMC Terrain SLE is listed at $12,850 by heritage auto of san antonio in San Antonio, TX 78229. It has 119,347 miles on the odometer. 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 a Great Deal — priced below market value. Based on 15 similar vehicles in the San Antonio market, the estimated market range is $17,107 to $19,723. The local market range in TX is $18,999 to $18,999.
This vehicle has been on the lot for 70 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 San Antonio, TX 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.
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 an independent dealer in San Antonio, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALMEV2LL284038 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 TX
Comparable Vehicles
1,086
Average Price
$19,671
Price Range
$8,995–$42,585
Avg Days on Lot
61
Based on 1,086 comparable 2018-2022 GMC Terrain listings in TX, the average asking price is $19,671. This listing at $12,850 is $6,821 below average (35% below market). Comparable prices in TX range from $8,995 to $42,585. Similar vehicles spend an average of 61 days on dealer lots in this market.
Similar GMC Terrain Listings in TX
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLE — compare trims below)
2018 GMC Terrain
SLE
Dallas, TX
2018 GMC Terrain
SLE
Houston, TX
2018 GMC Terrain
SLE
San Antonio, TX
2019 GMC Terrain
SLE
Fort Worth, TX
2019 GMC Terrain
SLE
Temple, TX
2021 GMC Terrain
SLE
Early, TX
2021 GMC Terrain
SLE
Stephenville, TX
2022 GMC Terrain
SLE
Lewisville, TX