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

2021 GMC Terrain SLE

2021 GMC TerrainView this vehicle at fort mill hyundai →

Vehicle Details

VIN3GKALMEV4ML402074
TrimSLE
Exterior ColorSilver
DrivetrainFWD
Engine1.5L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot6

SLE

Fair Price
$20,38355,014 mi

Fort Mill, SC 29708

Is this 2021 GMC Terrain SLE a good deal?

OAV verdict: Fair Price

Why: Listed at $20,383, comparable market range $17,372–$21,985, based on 15 comparable listings. Listed 6 days.

Market price position

$20,383 · within market range

Comparable range
$17,372 – $21,985
vs. market
$3,011 above low · $1,602 below high
Comparable vehicles
15

Market Retail Price (MRP™)

$19,679

This vehicle $20,383 · $704 (4%) 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™)

$19,261

This vehicle $20,383 · $1,122 (6%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-13) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 1454 days.

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$17,372 – $21,985

Fort Mill Hyundai

Fort Mill, SC

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

About This 2021 GMC Terrain

Listing updated: Sep 13, 2026

Listed by a franchise dealer in Fort Mill, SC · On lot for 6 days · VIN verifiable at NHTSA

This used 2021 GMC Terrain SLE is listed at $20,383 by fort mill hyundai in Fort Mill, SC 29708. It has 55,014 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Silver. It features a FWD 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 15 comparable listings matched to this vehicle, the estimated market range is $17,372 to $21,985. 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 6 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 13, 2026. The patented comparable band is the input; ptm-verdict-v1 is the versioned OAV rule set that turns it into this verdict.

Market context

This listing is part of OAV's broader Fort Mill, SC 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 2021 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 a franchise dealer in Fort Mill, SC, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALMEV4ML402074 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.

2021 GMC Terrain Market in SC

SC Market Listings

89

Average Price

$20,797

Price Range

$14,999–$26,624

Avg Days on Lot

75

Based on all 89 2019-2023 GMC Terrain listings in the SC market, the average asking price is $20,797. This listing at $20,383 is $414 below the broader SC average (2% below the SC average). This is a wider, all-trim comparison across SC; OAV's price verdict above uses the closer comparable set. Comparable prices in SC range from $14,999 to $26,624. Similar vehicles spend an average of 75 days on dealer lots in this market.

Similar GMC Terrain Listings in SC

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

This is a broad, statewide same-model set (any trim, mileage, or title) — not the qualified comparable cohort behind the verdict above; lower prices here typically reflect a different trim, higher mileage, or a branded title.