Diminished Value by State: Buick in Illinois

State-by-state guide to diminished value laws, which states allow first-party diminished value claims, and how state regulations affect your right to compensation. This guide covers Buick owners specifically in Illinois, where Illinois's Department of Insurance regulates all claims.

About Buick Claims

Average diminished value: $2,800. Total loss threshold: 70%.

  • Timing chain issues
  • Transmission shudder
  • Infotainment bugs

Tips for Buick Owners in Illinois

  • Buick vehicles depreciate faster — factor this into diminished value claims