Collision insurance pays to repair or replace your car if you hit another vehicle, a fixed object, or flip over — regardless of who caused the accident.

Unlike liability insurance (which pays for damage you cause to someone else's property), collision covers damage to your own vehicle. If you hit a parked car, a telephone pole, a guardrail, or another car in an intersection where you're at fault, collision pays the repair bill minus your deductible. If the damage is severe enough that repair costs exceed the car's value, the insurer pays out the actual cash value of the vehicle instead.

Collision is optional in most states — your lender or lessor may require it if you're financing or leasing the car, but if you own the vehicle outright, you choose whether to buy it. The trade-off is straightforward: you pay a monthly or annual premium for coverage you may never use, but if you do use it, you avoid a potentially large repair bill.

Key Takeaways

  • Collision insurance covers damage to your own car from hitting another vehicle or object, and you pay a deductible (typically $500 to $1,000) when you file a claim.
  • If you have a car loan or lease, your lender or leasing company will require you to carry collision insurance as a condition of the contract.
  • The cost of collision coverage depends on your car's age and value, your driving history, your location, and the deductible you choose — higher deductibles lower your premium.
  • Collision does not cover damage from theft, weather, vandalism, or hitting an animal; those losses fall under comprehensive insurance.
  • If your car's value drops below the cost of your collision premium plus deductible, dropping the coverage may save you money, though lenders typically won't allow this while you owe money on the loan.

How collision claims work in practice

When you have an accident, you contact your insurance company and report the collision. You'll provide details about what happened, where, and when — and the insurer will assign an adjuster to inspect the damage. The adjuster estimates repair costs and compares that figure to your car's actual cash value (what it would sell for on the used market right now, not what you paid for it).

If repairs cost less than the car's value, the insurer pays the repair shop directly or reimburses you, minus your deductible. If repairs would cost more than the car is worth, the insurer declares the car a total loss and pays you the actual cash value minus your deductible. You then own the vehicle as salvage — the insurer may sell it to a salvage yard, or you can keep it and sell it yourself, though a salvage title will lower its resale value.

The deductible is your out-of-pocket cost per claim. Common deductibles are $500 and $1,000, though some insurers offer $250 or $2,500 options. A higher deductible means a lower monthly premium; a lower deductible means a higher premium. The math is simple: if you choose a $1,000 deductible instead of $500, you'll pay less each month, but you'll pay $1,000 out of pocket if you have a claim instead of $500.

When your lender requires collision coverage

If you financed your car with a loan or lease, the lender holds a security interest in the vehicle — they own it until you pay off the loan. Because the lender's money is at risk, they require you to carry collision (and comprehensive) insurance to protect their investment. This requirement stays in place for the entire loan term, even if the car's value drops below what you owe.

The lender's name appears on your insurance policy as a "lienholder" or "loss payee." If you have a collision claim, the insurance check is made out to both you and the lender. The lender uses their portion to pay down the loan balance; you use yours to pay the repair bill or deductible. Once you pay off the loan, you own the car outright and can drop collision coverage whenever you choose.

Collision versus comprehensive: what's the difference

Collision covers damage from impact — hitting another car, a tree, a building, or flipping over. Comprehensive covers damage from events outside your control: theft, vandalism, weather (hail, flooding, wind), hitting an animal, or glass breakage. If a tree falls on your parked car, that's comprehensive. If you swerve to avoid the tree and hit a fence, that's collision.

Most insurers sell these as separate coverages, and you can buy one without the other (though lenders typically require both). Comprehensive premiums are usually lower than collision premiums because comprehensive claims are less frequent. If you live in an area with severe weather or high theft rates, comprehensive may be worth the cost even if collision isn't.

How your premium is calculated

Insurers use several factors to set your collision premium. Your car's age and value matter most — a newer, more expensive car costs more to repair, so collision premiums are higher. A 2024 sedan will have a higher collision premium than a 2015 sedan, all else equal. As your car ages and loses value, your collision premium typically drops each year.

Your driving history affects the rate too. Drivers with accidents or moving violations pay higher premiums than drivers with clean records. Your location matters as well — urban areas with more traffic have higher collision premiums than rural areas. Your deductible choice directly affects the premium: choosing a $1,000 deductible instead of $500 might lower your premium by 15 to 30 percent, depending on your insurer and state.

Some insurers offer discounts for safety features (automatic emergency braking, backup cameras), bundling policies, or completing a defensive driving course. Ask your insurer what discounts you may have access to for when you get a quote.

When dropping collision makes financial sense

As your car ages, the cost of collision coverage eventually exceeds the value of the protection. If your car is worth $5,000 and your collision premium is $800 per year with a $1,000 deductible, you're paying 16 percent of the car's value annually for coverage that would only pay out $4,000 if you had a total loss (the $5,000 value minus your deductible). If you go five years without a claim, you've paid $4,000 in premiums for potential coverage worth $4,000 — a break-even proposition at best.

A common rule of thumb is to drop collision when your car's value falls below 10 times your annual premium. If your premium is $600 per year, that threshold is $6,000. But this is a guideline, not a rule — the real question is whether you can afford to replace the car out of pocket if you total it. If you can't, keep collision even if the math says to drop it. If you can, dropping it frees up money each month.

If you have a loan or lease, you cannot drop collision — your lender won't allow it. Once you own the car outright, the choice is yours.

What collision does not cover

Collision does not cover damage from theft, vandalism, weather, animal strikes, or glass breakage — those are comprehensive claims. It also does not cover damage from hitting a pothole, even though you hit something; potholes are considered a road hazard and fall outside both collision and comprehensive in most policies. Collision does not cover mechanical breakdown, wear and tear, or damage from racing or off-road driving.

If you cause an accident but have no collision insurance, your own car's damage is your responsibility. Your liability insurance will pay for damage to the other vehicle and any injuries, but it won't pay for your repairs. This is why collision is valuable: it protects you from the cost of your own mistakes.

Frequently Asked Questions

Do I have to buy collision insurance?

No, unless you have a car loan or lease — then your lender requires it. If you own the car outright, collision is optional. You decide whether the cost is worth the protection based on your car's value and your ability to pay for repairs out of pocket.

What's the difference between collision and liability?

Liability pays for damage you cause to someone else's car or property. Collision pays for damage to your own car. If you hit another vehicle, liability covers their repairs; collision covers yours. Liability is required by law in all states; collision is optional unless you're financing the car.

If I hit a parked car and leave, does collision cover it?

Yes, collision covers the damage to your car. However, leaving the scene of an accident is illegal. You should report the accident to the property owner and file a police report. Your collision claim will go through normally, though you may face legal consequences for leaving the scene.

Can I lower my collision premium without raising my deductible?

You can ask your insurer about discounts for safety features, bundling policies, completing a defensive driving course, or maintaining a clean driving record. Some insurers also offer usage-based programs that lower your premium if you drive safely. Compare quotes from multiple insurers — rates vary significantly for the same coverage.

What happens if my car is totaled and I still owe money on the loan?

The insurance payout goes to both you and the lender. The lender uses their portion to pay down the loan balance. If the payout is less than what you owe, you're responsible for the difference — this is called being "upside down" on the loan. Gap insurance covers this shortfall, though it's a separate purchase.