Is the $699,800 price on this 2018 Porsche 911 a good deal?

OAV rates this as Fair Price because the asking price of $699,800 is within the typical market range for this vehicle.

What is the average price for a 2018 Porsche 911 in IL?

Based on 92 comparable listings in IL, the average asking price for a 2016-2020 Porsche 911 is $243,424, with prices ranging from $77,995 to $999,900.

How long does a 2018 Porsche 911 typically stay on dealer lots?

Comparable Porsche 911 listings in IL spend an average of 77 days on dealer lots.

Where is this 2018 Porsche 911 located?

This vehicle is listed in West Chicago, IL 60185. VIN: WP0AE2A9XJS185808. Mileage: 10,310 miles.

What is the fair market price range for this 2018 Porsche 911?

OAV's Price-to-Market analysis estimates the fair market range is $699,800 to $699,800, based on available comparable vehicles.

No Photo Available

Vehicle Details

VINWP0AE2A9XJS185808

TrimGT2 RS

Exterior ColorGray

DrivetrainRWD

Engine3.8L H6

TransmissionAutomatic

Fuel TypePremium Unleaded

Inventory Typeused

Days on Lot299

2018 Porsche 911

GT2 RS

Unscored

$699,80010,310 mi

West Chicago, IL 60185

Is this 2018 Porsche 911 GT2 RS a good deal?

OAV verdict: Unscored

Why: Listed at $699,800, comparable market range $699,800–$699,800. Days on lot: 299 days (market average 77 days).

Market price position

Lowest comparable ($)

699,800

Highest comparable ($)

699,800

This vehicle's price ($)

699,800

$699,800 · only listing at this price

$699,800 — single data point

Regional range: $699,800 (0 listings)
vs. market: Exact match — no spread
Comparable vehicles: 0

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 13–90 days.

Verify before inquiring

This listing has been on market about 3.3x longer than typical for similar vehicles (cohort sells in 13–90 days; this one is at 299). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.

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$649,800 – $649,800

Dealer Info

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West Chicago, IL

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About This 2018 Porsche 911

Listing updated: May 24, 2026

Listed by a franchise dealer in West Chicago, IL · On lot for 299 days · VIN verifiable at NHTSA

This used 2018 Porsche 911 GT2 RS is listed at $699,800 by a franchise dealer in West Chicago, IL 60185. It has 10,310 miles on the odometer. The exterior color is Gray. It features a RWD drivetrain with a 3.8L H6 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 West Chicago market, the estimated market range is $699,800 to $699,800.

This vehicle has been on the lot for 299 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 West Chicago, IL coupes 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 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:

Great Deal — priced below the typical range for comparable vehicles.
Fair Price — priced within the expected range for comparable vehicles.
Overpriced — priced above the typical range for comparable vehicles.

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 West Chicago, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WP0AE2A9XJS185808 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 Porsche 911 Market in IL

Comparable Vehicles

Average Price

$243,424

Price Range

$77,995–$999,900

Avg Days on Lot

Based on 92 comparable 2016-2020 Porsche 911 listings in IL, the average asking price is $243,424. This listing at $699,800 is $456,376 above average (187% above market). Comparable prices in IL range from $77,995 to $999,900. Similar vehicles spend an average of 77 days on dealer lots in this market.