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

VINWP0CA299XWS340793
TrimCARRERA 4
Exterior ColorRed
DrivetrainRWD
Engine3.6L H6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot28

1998 Porsche 911

CARRERA 4

Unscored
$74,99563,148 mi

Topsfield, MA 01983

Is this 1998 Porsche 911 CARRERA 4 a good deal?

OAV verdict: Unscored

Why: Listed at $74,995, comparable market range $74,995–$74,995. Days on lot: 28 days (market average 49 days).

Market price position

$74,995 · only listing at this price

$74,995 — single data point
Regional range
$74,995 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0

Market Retail Price (MRP™)

$74,995

This vehicle $74,995 · 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™)

$94,415

This vehicle $74,995 · $19,420 (21%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-17) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1168 days.

Topsfield Motor Company

Topsfield, MA

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 Topsfield Motor Company for current availability of this 1998 Porsche 911 CARRERA 4 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 1998 Porsche 911

Listing updated: Jul 17, 2026

Listed by an independent dealer in Topsfield, MA · On lot for 28 days · VIN verifiable at NHTSA

This used 1998 Porsche 911 CARRERA 4 is listed at $74,995 by topsfield motor company in Topsfield, MA 01983. It has 63,148 miles on the odometer. The exterior color is Red. It features a RWD drivetrain with a 3.6L 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 Topsfield market, the estimated market range is $74,995 to $74,995.

This vehicle has been on the lot for 28 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 Topsfield, MA 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 1998 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 Topsfield, MA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WP0CA299XWS340793 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 updated continuously; Price-to-Market analysis uses comparable vehicles within the same geographic market.

1998 Porsche 911 Market in MA

Comparable Vehicles

8

Average Price

$59,047

Price Range

$21,995–$119,900

Avg Days on Lot

49

Based on 8 comparable 1996-2000 Porsche 911 listings in MA, the average asking price is $59,047. This listing at $74,995 is $15,948 above average (27% above market). Comparable prices in MA range from $21,995 to $119,900. Similar vehicles spend an average of 49 days on dealer lots in this market.

Similar Porsche 911 Listings in MA

3 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: CARRERA 4 — compare trims below)