Skip to main content
U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2020 GMC Terrain SLT

2020 GMC TerrainView this vehicle at carmax smithtown →

Vehicle Details

VIN3GKALVEVXLL213515
TrimSLT
Exterior ColorGray
Drivetrain4WD
Engine1.5L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot17

SLT

Overpriced
$22,99857,325 mi

Saint James, NY 11780

Is this 2020 GMC Terrain SLT a good deal?

OAV verdict: Overpriced

Why: Listed at $22,998, comparable market range $9,499–$19,444, based on 13 comparable listings. Listed 17 days.

Market price position

$22,998 · $3,554 above market high

Comparable range
$9,499 – $19,444
vs. market high
+ $3,554 (18% above)
Comparable vehicles
13

Market Retail Price (MRP™)

$14,472

This vehicle $22,998 · $8,526 (59%) above 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™)

$19,701

This vehicle $22,998 · $3,297 (17%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-31) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Faster recent sell-through, still within the typical window
Faster recent sell-through

Comparable vehicles nationally recently sold in an estimated 1354 days, and this listing is still within that typical selling window.

What does Demand-Verified mean?

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.

Regional Range$9,499 – $19,444

Carmax Smithtown

Saint James, NY

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from carmax smithtown

Request availability and out-the-door price

OAV will route your inquiry to Carmax Smithtown for current availability of this 2020 GMC Terrain SLT and an out-the-door price quote (taxes, fees, addons included).

By submitting, you agree that OAV may share your email, ZIP, and message with Carmax Smithtown so the dealer can respond to your request. See our Privacy Policy and Notice at Collection.

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2020 GMC Terrain

Listing updated: Aug 31, 2026

Listed by an independent dealer in Saint James, NY · On lot for 17 days · VIN verifiable at NHTSA

This used 2020 GMC Terrain SLT is listed at $22,998 by carmax smithtown in Saint James, NY 11780. It has 57,325 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Gray. 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 Overpriced — priced above market value. Based on 13 comparable listings matched to this vehicle, the estimated market range is $9,499 to $19,444. 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 17 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 Saint James, NY 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 Saint James, NY, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALVEVXLL213515 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 NY

NY Market Listings

245

Average Price

$19,574

Price Range

$13,533–$25,000

Avg Days on Lot

57

Based on all 245 2018-2022 GMC Terrain listings in the NY market, the average asking price is $19,574. This listing at $22,998 is $3,424 above the broader NY average (17% above the NY average). This is a wider, all-trim comparison across NY; OAV's price verdict above uses the closer comparable set. Comparable prices in NY range from $13,533 to $25,000. Similar vehicles spend an average of 57 days on dealer lots in this market.

Similar GMC Terrain Listings in NY

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)