Add Them to Your Policy, or Get Them Their Own?

When the first insurance quote with a teenager on it arrives, a thought occurs to almost every parent: what if we just got them their own policy? Keep our rates clean. Let the kid’s risk be the kid’s.

It’s a reasonable instinct. For most families, it’s also the more expensive option, and it doesn’t do what it seems to.

Is it cheaper to add a teen to your policy or get them their own?

CarInsurance.com’s 2026 data puts it plainly. Adding a 16-year-old to a parent’s policy raises it by about $3,892 a year for a girl and $4,480 for a boy, on average. A 16-year-old’s own policy averages $9,846 a year for a girl and $10,928 for a boy.

So a separate policy can cost more than twice what adding them does. Teens on their own policies lose multi-car and bundling discounts, and they don’t benefit from your driving record or your years of continuous coverage.

The protection isn’t what it looks like

The idea behind a separate policy is to keep a teen’s crash off your record and your assets out of reach. In practice, that’s usually not how it works.

If your teen drives a car you own, or lives in your house, your insurer will typically want them listed on your policy anyway. And if your teen causes a serious crash, the people who were hurt aren’t limited to the teen’s policy when they look for compensation. A minor usually can’t sign a contract on their own, either, so a parent is often on the policy regardless.

The details vary by state and by insurer, and this is a question for your agent, not a website. But “separate policy” is rarely the firewall it sounds like.

A separate policy usually costs more and protects less than parents hope.

When their own policy can make sense

There are situations where it’s worth pricing out:

• The teen owns and titles their own car and is old enough to sign for a policy.
• The parent’s record is the problem. A household with its own tickets or claims might find a different structure prices better.
• Separated households. When a teen lives part-time in two homes, families sometimes have to work out which policy covers which car. Ask both insurers.

What to do instead

If the goal is to keep costs down, the levers that usually move are these:

• The car they drive. NAIC’s consumer guidance notes that a modestly priced economy car with liability coverage may be more appropriate for a teen. More on choosing one in The First Car.
• Assigning them to the cheapest car on the policy, if your insurer allows it.
• Discounts: good student, driver’s ed, and student-away if they leave for college without a car. More in What a Teen Driver Actually Costs.
• Shopping around. The same teen can cost very different amounts at different insurers. Get several quotes before the license date, not after.

What you shouldn’t do is lower your liability limits to make the number smaller. That’s the subject of Liability Limits, and it’s the one place where saving money can cost you far more.

The short version

For most families: add them, shop around, choose the car carefully, and keep your liability coverage high. Then call your agent and ask the questions specific to your state and your household.

I’m not an insurance agent or a lawyer, and nothing here replaces a conversation with one. But walking into that conversation knowing the numbers will make it a much better one.