2020 GMC Terrain SLT
View this vehicle at us auto sales →Vehicle Details
SLT
Garden City, MI 48135
Is this 2020 GMC Terrain SLT a good deal?
OAV verdict: Fair Price
Why: Listed at $12,995, comparable market range $10,299–$23,304, based on 41 comparable listings. Listed 393 days · longer than most comparable local listings (typical ~15–60 days).
Market price position
$12,995 · within market range
- Comparable range
- $10,299 – $23,304
- vs. market
- $2,696 above low · $10,309 below high
- Comparable vehicles
- 41
Market Retail Price (MRP™)
$16,802This vehicle $12,995 · $3,807 (23%) 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™)
$14,511This vehicle $12,995 · $1,516 (10%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-30) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 20–70 days.
- This listing has been available about 5.6x longer than comparable vehicles typically take to sell (cohort sells in 20–70 days; this one is at 393). Confirm its history, condition, availability, and out-the-door price before proceeding.
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.
Us Auto Sales
Garden City, MI
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OAV will route your inquiry to Us Auto Sales for current availability of this 2020 GMC Terrain SLT 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 30, 2026Listed by an independent dealer in Garden City, MI · On lot for 393 days · VIN verifiable at NHTSA
This used 2020 GMC Terrain SLT is listed at $12,995 by us auto sales in Garden City, MI 48135. It has 136,418 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 1.5L I4 engine and Automatic transmission.
OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Fair Price — priced in line with the supported comparable range. Based on 41 comparable listings matched to this vehicle, the estimated market range is $10,299 to $23,304. These comparisons match year, make, and model, using trim where trim data supports it. OAV does not adjust comparables for odometer — where mileage would distort a verdict, it withholds one instead.
This vehicle has been on the lot for 393 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 Garden City, MI suvs market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.
How this deal is rated
OAV compares this 2020 GMC Terrain against similar vehicles currently available for sale — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. Based on where this listing falls in that comparable set, it is rated:
- Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
- 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 can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.
How this listing is verified
This vehicle listing was aggregated from an independent dealer in Garden City, MI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALVEV8LL280193 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.
2020 GMC Terrain Market in MI
MI Market Listings
405
Average Price
$17,468
Price Range
$10,997–$23,267
Avg Days on Lot
102
Based on all 405 2018-2022 GMC Terrain listings in the MI market, the average asking price is $17,468. This listing at $12,995 is $4,473 below the broader MI average (26% below the MI average). This is a wider, all-trim comparison across MI; OAV's price verdict above uses the closer comparable set. Comparable prices in MI range from $10,997 to $23,267. Similar vehicles spend an average of 102 days on dealer lots in this market.
Similar GMC Terrain Listings in MI
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)
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2019 GMC Terrain
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2020 GMC Terrain
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Taylor, MI
2019 GMC Terrain
SLT
Lapeer, MI
2020 GMC Terrain
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2019 GMC Terrain
SLE
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