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

2021 GMC Terrain SLT

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Vehicle Details

VIN3GKALVEV8ML317860
TrimSLT
Exterior ColorWhite
Drivetrain4WD
Engine1.5L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot40

SLT

Fair Price
$17,194116,363 mi

Midwest City, OK 73110

Is this 2021 GMC Terrain SLT a good deal?

OAV verdict: Fair Price

Why: Listed at $17,194, comparable market range $14,572–$22,900, based on 12 comparable listings. Days on lot: 40 days (market average 67 days).

Market price position

$17,194 · within market range

Comparable range
$14,572 – $22,900
vs. market
$2,622 above low · $5,706 below high
Comparable vehicles
12

Market Retail Price (MRP™)

$18,736

This vehicle $17,194 · $1,542 (8%) 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™)

$16,380

This vehicle $17,194 · $814 (5%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-31) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1250 days.

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$14,572 – $22,900

Post Oak Toyota

Midwest City, OK

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

About This 2021 GMC Terrain

Listing updated: Jul 31, 2026

Listed by a franchise dealer in Midwest City, OK · On lot for 40 days · VIN verifiable at NHTSA

This used 2021 GMC Terrain SLT is listed at $17,194 by post oak toyota in Midwest City, OK 73110. It has 116,363 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.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 12 comparable listings matched to this vehicle, the estimated market range is $14,572 to $22,900. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 40 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 Midwest City, OK 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), 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 a franchise dealer in Midwest City, OK, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALVEV8ML317860 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 OK

OK Market Listings

92

Average Price

$20,547

Price Range

$10,495–$42,585

Avg Days on Lot

67

Based on all 92 2019-2023 GMC Terrain listings in the OK market, the average asking price is $20,547. This listing at $17,194 is $3,353 below the broader OK average (16% below the OK average). This is a wider, all-trim comparison across OK; OAV's price verdict above uses the closer comparable set. Comparable prices in OK range from $10,495 to $42,585. Similar vehicles spend an average of 67 days on dealer lots in this market.

Similar GMC Terrain Listings in OK

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