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

VINWP0CA29928S765900
TrimCarrera
Exterior ColorRed
Drivetrain4WD
Engine3.6L H6
TransmissionManual
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot93

2008 Porsche 911

Carrera

Unscored
$66,90015,955 mi

Saint Clair, MI 48079

Is this 2008 Porsche 911 Carrera a good deal?

OAV verdict: Unscored

Why: Listed at $66,900, comparable market range $66,900–$66,900. Days on lot: 93 days (market average 205 days).

Market price position

$66,900 · only listing at this price

$66,900 — single data point
Regional range
$66,900 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0

Market Retail Price (MRP™)

$66,900

This vehicle $66,900 · 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™)

$94,970

This vehicle $66,900 · $28,070 (30%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-24) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1288 days.

Mashburn Motors

Saint Clair, MI

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 Mashburn Motors for current availability of this 2008 Porsche 911 Carrera 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 2008 Porsche 911

Listing updated: Jul 24, 2026

Listed by an independent dealer in Saint Clair, MI · On lot for 93 days · VIN verifiable at NHTSA

This used 2008 Porsche 911 Carrera is listed at $66,900 by mashburn motors in Saint Clair, MI 48079. It has 15,955 miles on the odometer. The exterior color is Red. 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 available similar vehicles in the Saint Clair market, the estimated market range is $66,900 to $66,900.

This vehicle has been on the lot for 93 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 Saint Clair, MI 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 2008 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 Saint Clair, MI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WP0CA29928S765900 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.

2008 Porsche 911 Market in MI

Comparable Vehicles

6

Average Price

$102,982

Price Range

$38,312–$344,900

Avg Days on Lot

205

Based on 6 comparable 2006-2010 Porsche 911 listings in MI, the average asking price is $102,982. This listing at $66,900 is $36,082 below average (35% below market). Comparable prices in MI range from $38,312 to $344,900. Similar vehicles spend an average of 205 days on dealer lots in this market.

Similar Porsche 911 Listings in MI

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