Driving record
At-fault accidents and moving violations are among the strongest signals insurers use. Most fade after three to five years.
Clear, independent guides to how car insurance prices are set, what pushes them up or down, and how to compare coverage without the jargon.

Browse by topic
Every insurer prices the same driver differently. Learn the handful of things that matter, line up your coverage, and you will know a fair price when you see one.
Check your rateFree guides. We never ask for personal details to read them.
Insurers each use their own formula, but nearly all of them start from the same core inputs. Here is what they look at, and what you can do about each one.
At-fault accidents and moving violations are among the strongest signals insurers use. Most fade after three to five years.
Your garaging ZIP code reflects local traffic, theft, weather, repair and legal costs.
Repair costs, safety ratings, theft rates and horsepower all shape the price of each model.
Newly licensed drivers cost the most to cover. Rates typically ease as experience builds.
Higher limits cost more; higher deductibles on collision and comprehensive usually cost less.
More time on the road means more exposure. Work-from-home and retired drivers may qualify for less.
A lapse in coverage can raise your price. Continuous coverage is often rewarded.
Many states allow an insurance score built from credit history; a few ban or limit it.

The payment is only the beginning. Here is a simple way to add up everything a car really costs each month, and where you can trim without cutting corners.

Two cars with the same sticker price can cost very different amounts to insure. A few minutes of homework before you buy can save you from a surprise on your first bill.

A ticket or an at-fault accident usually raises your premium, but not forever. Here is how surcharges work, how long they last, and what you can do about them.

Where you park at night is one of the biggest factors in your price. Here is what changes when you move across town or across the country, and the steps to take before moving day.

A new driver in the house is one of the biggest jumps a family will see in its car insurance bill. A little planning keeps it manageable.
Comparing prices only works when you compare the same thing. Gather these first and every number you see will mean something.
Read coverage basics