Vehicle Details
2018 Porsche 911
S
Dover, NH 03820
Is this 2018 Porsche 911 S a good deal?
OAV verdict: Unscored
Why: Listed at $129,987, comparable market range $129,987–$129,987. Days on lot: 128 days (market average 81 days).
Market price position
$129,987 · only listing at this price
- Regional range
- $129,987 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Market Retail Price (MRP™)
$129,987This vehicle $129,987 · priced at MRP
MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.
True Retail Value (TRV™)
$164,884This vehicle $129,987 · $34,897 (21%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-25) — an estimate, not an appraisal. How TRV works.
Similar vehicles recently sold in an estimated 13–44 days.
What does Demand-Verified mean?
- This listing has been on market about 2.9x longer than typical for similar vehicles (cohort sells in 13–44 days; this one is at 128). 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.
Dover Chevrolet
Dover, NH
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Dover Chevrolet for current availability of this 2018 Porsche 911 S 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 Porsche 911
Listing updated: Jul 25, 2026Listed by a franchise dealer in Dover, NH · On lot for 128 days · VIN verifiable at NHTSA
This used 2018 Porsche 911 S is listed at $129,987 by dover chevrolet in Dover, NH 03820. It has 13,694 miles on the odometer. The exterior color is White. with a 3.0L 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 Dover market, the estimated market range is $129,987 to $129,987.
This vehicle has been on the lot for 128 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 Dover, NH 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 Dover, NH, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WP0AB2A92JS122856 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 processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.
2018 Porsche 911 Market in NH
Comparable Vehicles
45
Average Price
$162,924
Price Range
$112,450–$850,586
Avg Days on Lot
81
Based on 45 comparable 2016-2020 Porsche 911 listings in NH, the average asking price is $162,924. This listing at $129,987 is $32,937 below average (20% below market). Comparable prices in NH range from $112,450 to $850,586. Similar vehicles spend an average of 81 days on dealer lots in this market.
Similar Porsche 911 Listings in NH
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: S — compare trims below)
2020 Porsche 911
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2020 Porsche 911
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2020 Porsche 911
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Greenland, NH
2020 Porsche 911
S
Stratham, NH
2020 Porsche 911
Base
Gorham, NH
2017 Porsche 911
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Dover, NH
2017 Porsche 911
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Greenland, NH
2017 Porsche 911
Carrera S
Stratham, NH