A deductible is the part of a covered claim you agree to pay yourself before your insurance pays the rest. Choosing one is a small decision with a lasting effect on both your premium and your stress level after an accident. The right deductible is not the highest or the lowest. It is the one you could pay without panic.

Where deductibles apply

On a typical auto policy, deductibles apply to the coverages that pay for damage to your own car: collision and comprehensive. Each can have its own deductible. Liability coverage, which pays for damage you cause to others, generally has no deductible. Depending on your state and policy, personal injury protection or uninsured motorist property damage coverage may also have a deductible.

How it works in a claim

Suppose a covered collision causes $4,200 in damage to your car and you have a $1,000 collision deductible. You pay the first $1,000, usually to the repair shop, and your insurer pays the remaining $3,200, subject to your policy terms. If the damage were only $800, it would fall under your deductible and your insurer would pay nothing for the repair.

If another driver caused the accident and their insurer accepts responsibility, their property damage liability coverage may pay for your repairs, with no deductible. If you use your own collision coverage first, your insurer may try to recover its payment and your deductible from the at-fault driver's insurer. Whether and when you get your deductible back depends on how that process goes.

The trade-off

A higher deductible usually means a lower premium, because you are taking on more of the risk yourself. A lower deductible usually means a higher premium. The size of the difference varies by insurer, vehicle and location, so the only way to know is to look at quotes with different deductibles for your own situation.

Common deductible choices are $250, $500, $1,000 and sometimes $1,500 or $2,000. Many drivers choose $500 or $1,000 as a middle ground.

Three calm questions to choose by

Could I pay this amount next week?

This is the most important question. A deductible you cannot afford is not a savings. If paying $1,000 on short notice would put you behind on rent or other bills, a lower deductible may be worth the higher premium. If you keep a healthy emergency fund, a higher deductible may make sense.

How much would I actually save?

Look at the yearly premium difference between two deductibles. If moving from $500 to $1,000 saves a modest amount per year, it would take several claim-free years for the savings to equal the extra $500 you would pay in a claim. If the savings are larger, the math may favor the higher deductible. There is no universal answer, which is why it helps to see the numbers.

What is the car worth?

On an older car with a low market value, a high deductible combined with the car's limited value can mean that collision coverage pays very little after a claim. Some drivers in that situation drop collision entirely. A common rule of thumb is to reconsider collision and comprehensive when their yearly cost approaches about 10 percent of the car's value, but your own finances should guide the decision. If the car is financed or leased, your lender will set the maximum deductible you can choose.

Comprehensive and collision do not have to match

Comprehensive claims, such as hail, theft or a cracked windshield, are often less expensive than collision claims, and comprehensive coverage itself usually costs less. Some drivers choose a lower comprehensive deductible and a higher collision deductible. Some insurers and states also offer separate glass coverage with a low or zero deductible for windshield repair or replacement.

Small claims and your premium

Even when a claim is above your deductible, filing it can affect your future premium, especially for an at-fault accident. Many people with a higher deductible find that they naturally avoid filing small claims, which can help keep their record clean. That said, you should always report an accident to your insurer as your policy requires, even if you decide not to request payment.

The quiet answer

Choose the highest deductible you could comfortably pay from savings, and no higher. Write it down, and set aside that amount if you can. Knowing that money is already waiting is a real form of peace of mind on the road.

Ready to see your own numbers?

Start my quote

This Teaching is general information, not legal, tax or financial advice. Coverage rules, requirements and options vary by state and by policy. Always read your policy documents. Car Insurance Buddha is not an insurance carrier, agency, or broker.