Commercial auto has been a dark cloud hanging over the U.S. property/casualty industry for more than a dozen years—and things are getting worse.
For the 14th consecutive year, commercial auto has posted an underwriting loss and has accumulated m
ore than $10 billion in net underwriting losses over the late two years, according to insurance industry rating agenc
y AM Best. In addition, rate increases have not kept up with increases in loss costs.
In its new report, “Stuck in Reverse: Commercial Auto Losses Keep Mounting,” AM Best said underwriting loss
es in 2024 totaled about $4.9 billion. Losses the prior year were about $5.5 billion.
Commercial auto physical damage posted an underwriting profit of about $1.5 billion in 2024 and has been profi
table five of the last years. The problem, said AM Best, is with commercial a
uto liability—having posted the largest underwriting loss in 2024 of about $6.4 billion.
Commercial physical damage and liability are diverting on paths farther away from each other. While, physical damage posted a combined ratio of 88.6 in 202
and hasn’t eclipsed 100 since 2017, liability posted a 2024 combin
ed ratio of 113, similar to the 113.3 posted the prior year. Liability has posted a combined ratio above 100 in each y
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ear since 2014 and has reached 113 five times. Were it not for the adop
tion of technology to improve efficiency at some underwriters, expenses may have been worse.
AM Best warned the divergence could hurt insurers. Liability is a compulsory buy but physical damag
e is optional. Insured may determine PD is not worth the extra cost, an
d even if they do want the coverage, they may choose higher deductibles to offset the cost.
“This would cut into insurers benefiting from the great profitability
ally worsening the overall results for the commercial auto lines,” AM Best said in the report.
Inflation and rising replacement and labor costs have long been headwinds in the space. Now, claims are taking
longer to resolve. The longer claims remain open, the higher the exposure to a potential nuclear verdict. This has swun
g open the door for adverse development, and AM Best said it estimated co
mmercial auto liability is under-reserved by $4 billion to $5 billion—”setting up another year of poor results.”
AM Best’s list of top commercial auto insurers still has Progressive at the top but Nationwide, a longtime top 10
member, has fallen outside the top 20. Its decline in commercial auto premiums is the result of strategic decisions to concentrate on profit over growth. Fourteen of the to
p 20 writers posted a combined ratio over 100 in 2024. Leading the way was Sentry, Chubb, and State Farm with combined ratios of 130, 126.2, and 123.6, respectivel
y. The rating agency said continued losses in commercial auto “may have insurers rethinking” whether the line is worth accepting losses for access to other commercial lines.