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

VIN5YJSA1E21JF270279
Trim100D
Exterior ColorWhite
Drivetrain4WD
TransmissionAutomatic
Fuel TypeElectric
Inventory Typeused
Days on Lot21

2018 Tesla Model S

100D

Unscored
$21,377112,990 mi

Downers Grove, IL 60515

Is this 2018 Tesla Model S 100D a good deal?

OAV verdict: Unscored

Why: Listed at $21,377, comparable market range $24,624–$24,624, based on 4 comparable listings. Days on lot: 21 days (market average 101 days).

Market price position

24,624
24,624
21,377

$21,377 · $3,247 below the market benchmark

$24,624 — single data point
Regional range
$24,624 (4 listings)
vs. market low
— $3,247 (13% below)
Comparable vehicles
4
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1240 days.

What does Demand-Verified mean?

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$24,624 – $24,624
Regional Range$22,691 – $30,720

Ultimate Motor Cars

Downers Grove, IL

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 Ultimate Motor Cars for current availability of this 2018 Tesla Model S 100D 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 2018 Tesla Model S

Listing updated: Jun 20, 2026

Listed by an independent dealer in Downers Grove, IL · On lot for 21 days · VIN verifiable at NHTSA

This used 2018 Tesla Model S 100D is listed at $21,377 by ultimate motor cars in Downers Grove, IL 60515. It has 112,990 miles on the odometer. The exterior color is White. It features a 4WD drivetrain and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 4 similar vehicles in the Downers Grove market, the estimated market range is $24,624 to $24,624. The local market range in IL is $24,624 to $24,624.

This vehicle has been on the lot for 21 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 Downers Grove, IL electric 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 Tesla Model S 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 an independent dealer in Downers Grove, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 5YJSA1E21JF270279 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 Tesla Model S Market in IL

Comparable Vehicles

87

Average Price

$25,665

Price Range

$14,999–$47,800

Avg Days on Lot

101

Based on 87 comparable 2016-2020 Tesla Model S listings in IL, the average asking price is $25,665. This listing at $21,377 is $4,288 below average (17% below market). Comparable prices in IL range from $14,999 to $47,800. Similar vehicles spend an average of 101 days on dealer lots in this market.

Similar Tesla Model S Listings in IL

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: 100D — compare trims below)