What rental car insurance actually covers, and what you probably already have
You do not automatically need to buy rental car insurance from the rental company. Most people already have coverage through their personal auto insurance policy, credit card, or employer — and buying the rental company's coverage on top of that means paying twice for the same protection.
The rental counter will offer you several types of coverage: collision damage waiver (CDW), liability, and personal effects coverage. Before you say yes to any of it, you need to know what your existing insurance already covers when you rent a car, and what gaps actually exist in your situation.
The decision comes down to three things: what your personal auto policy covers for rentals, what your credit card covers, and whether you have any real gaps that the rental company's insurance would fill. Most people can skip the rental company's offer. Some cannot.
Key Takeaways
- Your personal auto insurance usually covers rental cars the same way it covers your own car, so buying the rental company's collision coverage is often redundant.
- Premium credit cards typically cover collision and theft on rental cars, but only if you charge the full rental to that card.
- You should buy the rental company's liability coverage only if your personal policy excludes rentals or if you are renting outside the United States.
- The rental company's collision waiver costs $15 to $30 per day and covers damage you cause; your deductible still applies unless you waive it for an extra fee.
- Check your policy documents or call your insurer before you rent, because coverage rules vary by state and by policy type.
What your personal auto insurance covers when you rent
Most personal auto insurance policies extend to rental cars within the United States and Canada. If your policy includes collision and comprehensive coverage (the parts that pay for damage to your own car), those same coverages usually explore to a rental car you are driving. Your deductible applies the same way — if you have a $500 deductible at home, you have a $500 deductible on a rental.
The catch is that some policies exclude rentals, and some limit coverage to a certain number of days or to cars rented for personal use only. Business rentals are sometimes excluded. If you have a basic liability-only policy (the cheapest option), you have no collision or comprehensive coverage on a rental either.
Call your insurance company or check your policy documents before you rent. Ask specifically: "Does my collision and comprehensive coverage explore to rental cars?" and "Are there any exclusions or limits?" Write down the answer and the date you called. If the rental company later claims your coverage does not explore, you have a record of what your insurer told you.
Credit card rental coverage and what it actually requires
Many credit cards offer rental car coverage, but it only works if you charge the entire rental to that card. Some cards cover collision and theft. Some cover only collision. A few cover liability as well, though that is rare. The coverage is secondary, meaning your personal auto insurance pays first, and the credit card covers what your insurance does not.
The card's coverage typically has a time limit — often 14 to 31 consecutive days — and excludes certain types of rentals like luxury cars, commercial use, or rentals in countries outside North America. Read your card's benefits guide or call the card issuer to find out exactly what is covered and what the limits are.
If you do not have personal auto insurance (you do not own a car, for example), credit card coverage can be your primary protection. If you do have personal insurance, the credit card is a backup that covers your deductible or fills small gaps. Either way, you need to charge the full rental to that card for any coverage to explore.
When you should buy the rental company's collision waiver
The rental company's collision damage waiver (CDW) costs $15 to $30 per day and removes your financial responsibility for damage you cause to the car. If you have collision coverage through your personal policy or credit card, you do not need this — you already have it.
You should consider buying it if: your personal policy excludes rentals, you have only liability coverage at home, you do not have a credit card with rental coverage, or you are renting a car in a country where your U.S. insurance does not explore. You should also buy it if your deductible is very high (say, $1,000) and you want to avoid paying that out of pocket if something happens.
The rental company will also offer to waive your deductible for an additional daily fee, usually $10 to $15. This is separate from the CDW and covers your deductible if you cause damage. It is worth considering only if your deductible is high and you are keeping the car for several days.
Liability coverage and when it matters
Your personal auto insurance includes liability coverage, which pays for damage or injury you cause to someone else. This coverage applies to rental cars in the United States and Canada. The rental company will offer you their own liability coverage, which is redundant if your personal policy already covers rentals.
Liability coverage becomes necessary from the rental company only if your personal policy excludes rentals (rare, but it happens) or if you are renting a car outside North America. Some countries require you to buy their local liability coverage, and the rental company can provide it. A few countries do not recognize U.S. insurance at all, so you must buy local coverage.
If you are renting internationally, ask the rental company what liability coverage is required in that country and whether your U.S. policy covers it. If not, buy their coverage. Do not skip this step — driving without required liability coverage can result in fines, car impoundment, or legal trouble.
Personal effects and roadside information coverage
The rental company may offer coverage for personal items left in the car (theft, damage, or loss) and roadside information (towing, lockout service, fuel delivery). These are optional add-ons, not required coverage.
Personal effects coverage is rarely worth buying because your homeowners or renters insurance usually covers your belongings even when they are in a rental car. Check your policy or call your insurer to confirm. Roadside information is worth considering only if you do not have it through your personal auto insurance or a membership like AAA.
If you already have roadside information through your personal policy or a membership, skip the rental company's version. If you do not, the rental company's roadside coverage costs $5 to $10 per day and can be useful on a long trip.
How to decide before you arrive at the counter
Make the decision before you rent, not at the counter. The rental agent will pressure you to buy coverage, and it is harder to say no when you are tired or in a hurry. Here is what to do:
- Call your auto insurance company and ask what coverage applies to rental cars. Write down the answer, the date, and the agent's name.
- Check your credit card benefits guide or call the card issuer to see what rental coverage it provides.
- If you are renting internationally, ask both your insurer and the rental company what coverage is required in that country.
- Decide in advance whether you need to buy the rental company's coverage. If you do, tell the rental agent when you arrive. If you do not, say "no" to all offers and move on.
If you are unsure after calling your insurer, ask the rental company to hold the car for 30 minutes while you call back and confirm. It is better to take 30 minutes than to buy coverage you do not need or to drive without coverage you do.
Frequently Asked Questions
What happens if I cause an accident and I did not buy the rental company's coverage?
Your personal auto insurance or credit card coverage pays for the damage, up to your policy limits. You pay your deductible (usually $500 to $1,000) out of pocket. If you have no coverage at all, you pay the full cost of repairs, which can be thousands of dollars.
Does my insurance cover a rental car if I am in an accident caused by someone else?
Yes. The other driver's liability insurance pays for damage to the rental car. Your insurance does not come into play unless the other driver is uninsured or underinsured, in which case your uninsured motorist coverage may help.
Can I buy rental car insurance after I pick up the car?
You can usually add coverage within the first 24 hours of the rental, but the rental company will charge you for the full days you have already driven. It is cheaper and easier to decide before you arrive.
Does my insurance cover a rental car if I am traveling for work?
It depends on your policy. Some policies exclude business use. Call your insurer and ask specifically whether your coverage applies to business travel. If it does not, you will need to buy the rental company's coverage or find a business auto policy that covers rentals.
What if the rental company says my insurance does not cover rentals?
Ask the rental agent to put that claim in writing. Then call your insurance company and tell them what the rental company said. Your insurer can clarify the coverage directly with the rental company. Do not accept the rental agent's word as final — they have a financial incentive to sell you their coverage.