Below is USAA’s flawed Diminished Value Methodology, it is basically State Farm’s 17c formula but with a few additional tweaks.
The 2025 Car Value & Depreciation Overview
https://diminishedvalueofgeorgia.com/wp-content/uploads/2025-Car-Value-Depreciation-Overview.pdf Report Summary The auto market is shifting away from the unusual trends of the past few years. While vehicle values are still strong, normal