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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
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2021 GMC Terrain SLE

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Vehicle Details

VIN3GKALTEVXML391060
TrimSLE
Exterior ColorWhite
Drivetrain4WD
Engine1.5L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot81

SLE

Unscored
$12,549156,193 mi

Brighton, MI 48114

Is this 2021 GMC Terrain SLE a good deal?

OAV verdict: Unscored

Why: Listed at $12,549. OAV has withheld a market verdict for this listing because its comparable evidence isn't sufficient to score it reliably. Days on lot: 81 days (market average 86 days).

Market price position

Insufficient comparable data to score this listing.

Serra Mazda Brighton

Brighton, MI

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

About This 2021 GMC Terrain

Listing updated: Aug 17, 2026

Listed by a franchise dealer in Brighton, MI · On lot for 81 days · VIN verifiable at NHTSA

This used 2021 GMC Terrain SLE is listed at $12,549 by serra mazda brighton in Brighton, MI 48114. It has 156,193 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a 4WD drivetrain with a 1.5L I4 engine and Automatic transmission.

This vehicle has been on the lot for 81 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 Brighton, MI 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 2021 GMC Terrain against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out). Mileage-aware adjustment is also rolling out — on very high-mileage vehicles OAV 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 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 a franchise dealer in Brighton, MI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALTEVXML391060 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 within the same geographic market.

2021 GMC Terrain Market in MI

MI Market Listings

531

Average Price

Price Range

Avg Days on Lot

86

Based on all 531 2019-2023 GMC Terrain listings in the MI market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 86 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: SLE — compare trims below)