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

VIN1GKS1GKC1JR397547
TrimSLT
Exterior ColorWhite
DrivetrainRWD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot7

2018 GMC Yukon XL

SLT

Unscored
$20,838106,871 mi

Grapevine, TX 76051

Is this 2018 GMC Yukon XL SLT a good deal?

OAV verdict: Unscored

Why: Listed at $20,838, comparable market range $14,220–$23,888, based on 7 comparable listings. Days on lot: 7 days (market average 63 days).

Market price position

14,220
23,888
20,838

$20,838 · within market range

$14,220comparable$23,888
Regional range
$14,220 – $23,888
vs. market
$6,618 above low · $3,050 below high
Comparable vehicles
7
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1153 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.

Regional Range$14,220 – $23,888

Dealer Info

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Grapevine, TX

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About This 2018 GMC Yukon XL

Listing updated: May 21, 2026

Listed by a franchise dealer in Grapevine, TX · On lot for 7 days · VIN verifiable at NHTSA

This used 2018 GMC Yukon XL SLT is listed at $20,838 by a franchise dealer in Grapevine, TX 76051. It has 106,871 miles on the odometer. The exterior color is White. It features a RWD 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 7 similar vehicles in the Grapevine market, the estimated market range is $14,220 to $23,888.

This vehicle has been on the lot for 7 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 Grapevine, TX 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 2018 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 Grapevine, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GKS1GKC1JR397547 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.

2018 GMC Yukon XL Market in TX

Comparable Vehicles

374

Average Price

$24,547

Price Range

$10,490–$59,999

Avg Days on Lot

63

Based on 374 comparable 2016-2020 GMC Yukon XL listings in TX, the average asking price is $24,547. This listing at $20,838 is $3,709 below average (15% below market). Comparable prices in TX range from $10,490 to $59,999. Similar vehicles spend an average of 63 days on dealer lots in this market.

Similar GMC Yukon XL Listings in TX

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