2018 Porsche 911

Listed by an independent dealer in Cadillac, MI · On lot for 179 days · VIN verifiable at NHTSA

This used 2018 Porsche 911 Turbo is listed at $149,994 by an independent dealer in Cadillac, MI 49601. It has 21,500 miles on the odometer. The exterior color is Silver. It features a 4WD 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 Cadillac market, the estimated market range is $149,994 to $149,994.

This vehicle has been on the lot for 179 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 Cadillac, MI coupes market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

• View the full Cadillac, MI coupes market →
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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 an independent dealer in Cadillac, MI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WP0AD2A95JS156512 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 MI

Based on 48 comparable 2016-2020 Porsche 911 listings in MI, the average asking price is $155,983. This listing at $149,994 is $5,989 below average (4% below market). Comparable prices in MI range from $64,977 to $246,000. Similar vehicles spend an average of 74 days on dealer lots in this market.

Similar Porsche 911 Listings in MI

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