Porsche 928

Using This Data for Your Diminished Value Claim

When filing a diminished value claim for a Porsche 928, comparable sales data is essential. Our database tracks 103 recent auction sales, showing values ranging from $18,125 to $38,375, with a median of $26,500. The Porsche 928 shows 76% 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, Hagerty, PCAR Market, All Collector Cars, and Gooding & Co.

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.