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

VIN3GKALPEV8LL128748
TrimSLT
Exterior ColorWhite
DrivetrainFWD
Engine1.5L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot74

2020 GMC Terrain

SLT

Unscored
$13,877136,830 mi

Tulsa, OK 74133

Is this 2020 GMC Terrain SLT a good deal?

OAV verdict: Unscored

Why: Listed at $13,877, comparable market range $16,000–$18,568, based on 3 comparable listings. Days on lot: 74 days (market average 46 days).

Market price position

16,000
18,568
13,877

$13,877 · $2,123 below market low

$16,000comparable$18,568
Regional range
$16,000 – $18,568
vs. market low
— $2,123 (13% below)
Comparable vehicles
3
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1872 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Local Range$17,911 – $17,911
Regional Range$16,000 – $18,568

Nelson Mazda

Tulsa, OK

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

View all vehicles from nelson mazda

Request availability and out-the-door price

OAV will route your inquiry to Nelson Mazda 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: Jun 28, 2026

Listed by a franchise dealer in Tulsa, OK · On lot for 74 days · VIN verifiable at NHTSA

This used 2020 GMC Terrain SLT is listed at $13,877 by nelson mazda in Tulsa, OK 74133. It has 136,830 miles on the odometer. The exterior color is White. It features a FWD drivetrain with a 1.5L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 3 similar vehicles in the Tulsa market, the estimated market range is $16,000 to $18,568. The local market range in OK is $17,911 to $17,911.

This vehicle has been on the lot for 74 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 Tulsa, 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 2020 GMC Terrain against similar vehicles currently available in the local and regional market — same make, model, and year range, filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

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 Tulsa, OK, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALPEV8LL128748 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 refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2020 GMC Terrain Market in OK

Comparable Vehicles

198

Average Price

$20,034

Price Range

$9,995–$42,585

Avg Days on Lot

46

Based on 198 comparable 2018-2022 GMC Terrain listings in OK, the average asking price is $20,034. This listing at $13,877 is $6,157 below average (31% below market). Comparable prices in OK range from $9,995 to $42,585. Similar vehicles spend an average of 46 days on dealer lots in this market.

Similar GMC Terrain Listings in OK

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLT — compare trims below)