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

VINWP0CA29923S651436
TrimCarrera
Exterior ColorBlack
Drivetrain4WD
Engine3.6L H6
TransmissionManual
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot22

2003 Porsche 911

Carrera

Unscored
$49,99448,600 mi

Addison, IL 60101

Is this 2003 Porsche 911 Carrera a good deal?

OAV verdict: Unscored

Why: Listed at $49,994, comparable market range $36,995–$61,905, based on 3 comparable listings. Days on lot: 22 days (market average 75 days).

Market price position

36,995
61,905
49,994

$49,994 · within market range

$36,995comparable$61,905
Regional range
$36,995 – $61,905
vs. market
$12,999 above low · $11,911 below high
Comparable vehicles
3
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 21108 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$36,995 – $61,905

Dealer Info

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Addison, IL

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About This 2003 Porsche 911

Listing updated: May 25, 2026

Listed by an independent dealer in Addison, IL · On lot for 22 days · VIN verifiable at NHTSA

This used 2003 Porsche 911 Carrera is listed at $49,994 by an independent dealer in Addison, IL 60101. It has 48,600 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 3.6L H6 engine and Manual 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 Addison market, the estimated market range is $36,995 to $61,905.

This vehicle has been on the lot for 22 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 Addison, IL convertibles 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 2003 Porsche 911 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 Addison, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WP0CA29923S651436 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.

2003 Porsche 911 Market in IL

Comparable Vehicles

25

Average Price

$58,969

Price Range

$21,975–$199,800

Avg Days on Lot

75

Based on 25 comparable 2001-2005 Porsche 911 listings in IL, the average asking price is $58,969. This listing at $49,994 is $8,975 below average (15% below market). Comparable prices in IL range from $21,975 to $199,800. Similar vehicles spend an average of 75 days on dealer lots in this market.

Similar Porsche 911 Listings in IL

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