Why auto policies run six months
It's a re-rating cycle, and you can use it.
Most US personal auto policies are written for six months rather than a year. That's not arbitrary — it gives insurers a regular point to re-rate based on updated information.
Knowing the cycle means you can work with it rather than be surprised twice a year.
What happens at renewal
At each renewal your insurer typically re-checks the information that drives your rate.
- Motor vehicle records for new violations or accidents
- Claims history, including any you've made
- Changes to drivers or vehicles on the policy
- Where permitted, credit-based insurance information
- Their own rate filings, which may have changed
A rise isn't always about you
Premiums move for reasons that have nothing to do with your driving. Insurers file rate changes that apply across a book of business, driven by repair costs, claim severity, and regional experience.
So a renewal increase after a clean six months isn't necessarily an error, and it isn't necessarily something to accept either.
Use the cycle
The renewal notice is the natural prompt to do the things that otherwise never get done.
- Compare the new premium against a fresh quote elsewhere
- Update mileage if your driving has changed
- Remove a driver or vehicle no longer in the household
- Ask about discounts you might now qualify for
- Check a violation has aged off, if one should have
Twelve-month policies exist
Some carriers offer annual terms, which lock your rate for longer and mean fewer renewal cycles. The tradeoff is that you also wait longer for a decrease if your circumstances improve.
Worth asking whether it's available if you'd rather have rate stability than frequent re-rating.
Common questions
Insurers file rate changes that apply across a book of business, driven by repair costs and claims experience generally. It may have nothing to do with your record — which is also why comparing elsewhere is worthwhile.
Some carriers offer annual terms. They lock your rate for longer, though you also wait longer for any decrease.
Generally yes, usually with a pro-rata refund. Confirm the new policy is in force before cancelling the old one — a gap costs more than it saves.
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This page is general information, not advice about your specific circumstances. A licensed insurance professional can tell you what’s actually available to you.
General information only, not insurance advice. Coverage, availability, and terms vary by insurer and by state, and are subject to underwriting. Quote My Policy LLC is a licensed insurance producer. Nothing here binds coverage.