The Porsche 991 shows 58% price variation based on condition, mileage, and provenance. This high sensitivity makes comparable sales data critical for accurate diminished value claims, as condition differences significantly impact market value.
When filing a diminished value claim for a Porsche 991, comparable sales data is essential. Our database tracks 50 recent auction sales, showing values ranging from $75,625 to $133,250, with a median of $98,750. The Porsche 991 shows 58% price variation based on condition, mileage, and provenance. This high sensitivity makes comparable sales data critical for accurate diminished value claims, as condition differences significantly impact market value. Use this data to support your claim with real market evidence from Bring a Trailer, Cars & Bids, and other major auction platforms.
Work with a licensed appraiser in your area to use this data effectively. Share the comparable sales with your appraiser to establish your vehicle's pre-accident market value and support your claim with objective evidence.
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Create Free AccountUse our Value Estimator to get an instant estimate based on year and mileage. This tool provides baseline valuations that complement the comparable sales data shown here.
Use Value EstimatorUnderstand the process, requirements, and how to use auction data effectively.
Diminished Value GuideOld Cars Data provides market data only. This information is not legal advice, appraisal advice, or insurance advice. Always consult with licensed professionals (appraisers, attorneys, insurance experts) when filing a diminished value claim.
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