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You are here: Home / News / U.S. Commercial Auto Insurance Segment Reported Underwriting Losses of $4.9 Billion Last Year

U.S. Commercial Auto Insurance Segment Reported Underwriting Losses of $4.9 Billion Last Year

September 22, 2025 By CollisionWeek Editor

Commercial auto has generated underwriting losses for 14 straight years.

The U.S. commercial auto insurance line continues to burden the overall property and casualty (P/C) industry, accounting for more than $10 billion in net underwriting losses over the past two years, according to a new AM Best report.

AM BestThe Best’s Market Segment Report, Stuck in Reverse: Commercial Auto Losses Keep Mounting, states that the segment’s rising loss severity, increasing claims costs and adverse prior-year loss reserve development continue to produce net calendar year underwriting losses for commercial auto insurers.

The commercial auto insurance sector has now generated an underwriting

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Filed Under: News Tagged With: A.M. Best, Commercial Auto Insurance, Earnings

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