Below is USAA’s flawed Diminished Value Methodology, it is basically State Farm’s 17c formula but with a few additional tweaks.
2025 Auto Market Update: Luxury EV Values Crash Amid Tariffs
The 2025 auto market faces turbulence: used car prices plummet 12% YoY, luxury EVs depreciate 42% faster than gas models, and U.S. tariffs spark global supply chain