Appraisal Clause in Auto Insurance: GMC in Washington

How the appraisal clause in auto insurance works, when to invoke it, the process of selecting an umpire, and how appraisal outcomes are binding on your insurer. This guide covers GMC owners specifically in Washington, where Washington's Department of Insurance regulates all claims.

About GMC Claims

Average diminished value: $3,200. Total loss threshold: 75%.

  • Transmission failures
  • Brake rotor warping
  • Fuel system issues

Tips for GMC Owners in Washington

  • Get frame inspection after any collision