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

VIN1GKS2GKD3MR204647
TrimSLT
Exterior ColorWhite
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot17

2021 GMC Yukon XL

SLT

Unscored
$36,244128,596 mi

Brookings, SD 57006

Is this 2021 GMC Yukon XL SLT a good deal?

OAV verdict: Unscored

Why: Listed at $36,244, comparable market range $36,244–$36,244. Days on lot: 17 days (market average 103 days).

Market price position

$36,244 · only listing at this price

$36,244 — single data point
Regional range
$36,244 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0

Market Retail Price (MRP™)

$36,244

This vehicle $36,244 · priced at 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™)

$33,652

This vehicle $36,244 · $2,592 (8%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-17) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1658 days.

Brookings Auto Mall

Brookings, SD

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

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Request availability and out-the-door price

OAV will route your inquiry to Brookings Auto Mall for current availability of this 2021 GMC Yukon XL 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 2021 GMC Yukon XL

Listing updated: Jul 17, 2026

Listed by a franchise dealer in Brookings, SD · On lot for 17 days · VIN verifiable at NHTSA

This used 2021 GMC Yukon XL SLT is listed at $36,244 by brookings auto mall in Brookings, SD 57006. It has 128,596 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on available similar vehicles in the Brookings market, the estimated market range is $36,244 to $36,244.

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 Brookings, SD 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 Yukon XL 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 Brookings, SD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GKS2GKD3MR204647 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 updated continuously; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 GMC Yukon XL Market in SD

Comparable Vehicles

125

Average Price

$44,195

Price Range

$19,988–$72,999

Avg Days on Lot

103

Based on 125 comparable 2019-2023 GMC Yukon XL listings in SD, the average asking price is $44,195. This listing at $36,244 is $7,951 below average (18% below market). Comparable prices in SD range from $19,988 to $72,999. Similar vehicles spend an average of 103 days on dealer lots in this market.

Similar GMC Yukon XL Listings in SD

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