American National Property and Casualty Company filed a revenue-neutral rate update for its Personal Auto program in Idaho, effective December 26, 2025, for new business and February 9, 2026, for renewals.

The filing revises base rates, rebases Model Year Relativity factors, and updates Collector and Modern Classic vehicle factors for Comprehensive and Collision coverages.

The filing affects 2,585 policyholders and $4.6 million in written premium, with an overall neutral rate impact.