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Collision or comprehensive? Twenty everyday losses sorted
Which physical-damage coverage handles deer, hail, hit-and-runs, rolled-away cars and 16 other common losses, with the deductible and fault label for each.
Collision coverage pays when your car hits something or flips over. Comprehensive, which many policies call "other than collision," pays for most other damage: theft, fire, weather, vandalism, falling objects, glass and contact with an animal. If you can name what touched your car, you can usually name the coverage, and the sorted list below does that for twenty common losses.
Two things sit behind the label. The coverage decides which deductible you pay, and in many insurers' practice it also decides whether the claim counts against you at renewal. The gray cases, where a loss could plausibly go either way, are the ones worth reading closely.
The two definitions that decide almost everything
Most personal auto policies in the United States follow a standard structure, the Insurance Services Office (ISO) personal auto policy, even when the insurer uses its own wording. Part D of that form defines collision as the upset of your covered auto, or its impact with another vehicle or object. "Upset" means a rollover. "Impact" means the car struck something, or something struck the car.
The form then lists what is not a collision. Per the FC&S analysis of the personal auto policy, the ten items are missiles or falling objects, fire, theft or larceny, explosion or earthquake, windstorm, hail, water or flood, malicious mischief or vandalism, riot or civil commotion, contact with a bird or animal, and breakage of glass. That list is not exhaustive. If a cause of loss is missing from it, the coverage is still comprehensive in the sense that it is not a collision, and the damage is covered if the policy has other-than-collision coverage and no exclusion applies.
The same source explains why the line exists at all. Other-than-collision losses have traditionally carried a lower deductible, and most insurers surcharge for at-fault collisions but not for other-than-collision claims. Deer are the textbook example: nobody can reliably avoid them, so the form moves the loss out of the collision column.
The National Association of Insurance Commissioners (NAIC) says the same thing in plain language in its consumer guide to auto insurance, reprinted by state regulators. Collision pays to repair your car or, if it is totaled, its actual cash value. Comprehensive pays for damage that is not from a collision, usually fire, theft, vandalism, falling objects, hail, flood or an accident involving a bird or animal. Neither is required by state law; a lender can require both while you owe money on the car. The Texas Department of Insurance puts comprehensive in similar terms in its auto insurance guide, listing fire, hail, theft, flood, flying gravel and hitting an animal for Texas drivers.
Your policy pays for either coverage only if the declarations page lists it. A driver with liability only has neither, and every loss in this article becomes an out-of-pocket repair.
Twenty everyday losses, sorted
The table gives the usual result under a standard policy. Your insurer's wording, the facts of your loss and your state's law can change it, so treat the right-hand column as the reason to ask, not a guarantee. "Comp" is comprehensive; "At fault?" asks whether the claim would normally be recorded as your fault.
| # | What happened | Coverage | Deductible | At fault? | Why |
|---|---|---|---|---|---|
| 1 | Car hits a deer | Comp | Comp | No | Contact with an animal is on the not-a-collision list |
| 2 | A bird or other animal hits the car | Comp | Comp | No | Same peril, whether the animal runs, flies or falls onto the car |
| 3 | Hit-and-run while the car is parked | Collision | Collision | Usually no | The car was struck by a vehicle, and nothing on the comp list covers it |
| 4 | Car rolls away and hits a pole | Collision | Collision | Often yes | An impact with an object, unless vandalism or wind is proven |
| 5 | Hail dents the roof and hood | Comp | Comp | No | Hail is a listed peril |
| 6 | Flood or standing water ruins the interior | Comp | Comp | No | Water and flood are listed |
| 7 | Whole car stolen | Comp | Comp | No | Theft is listed, and a later crash by the thief stays under theft |
| 8 | Thief cuts out the catalytic converter | Comp | Comp | No | Theft of a part, plus the damage done removing it |
| 9 | Keyed door or smashed mirror | Comp | Comp | No | Vandalism or malicious mischief |
| 10 | Fire starts under the hood | Comp | Comp | No | Fire is listed even if a crash follows it |
| 11 | You hit a guardrail or utility pole | Collision | Collision | Usually yes | Impact with an object |
| 12 | Rock from a gravel truck cracks the windshield | Comp (glass) | Glass or comp | No | Glass breakage and a flying object |
| 13 | Shopping cart dings the door in a lot | Collision, or comp if wind moved it | Collision or comp | Usually no | Cart is an object; a gust moving it points to wind |
| 14 | Damage inside an automatic car wash | Collision, after the wash's liability is tried | Collision | Usually no | The car struck, or was struck by, equipment |
| 15 | A neighbor's mattress flies off a truck and hits you | Comp or collision | Either | Usually no | Falling object versus impact with an object; wording and facts decide |
| 16 | A tree limb lands on the car in a storm | Comp | Comp | No | Falling object, wind |
| 17 | Ice flies off a truck's roof into your windshield | Comp | Comp or glass | No | A thrown or falling object |
| 18 | A pothole bends a wheel and tears a tire | Collision | Collision | Usually no | The wheel struck a hole in the road, which courts often treat as an object |
| 19 | You slide on ice into a ditch | Collision | Collision | Usually yes | Skidding is not on the list; the impact is the loss |
| 20 | Rollover on a curve | Collision | Collision | Usually yes | An upset |
A few notes on the rows that surprise people.
Rows 7 and 8, theft. Theft is comprehensive even when the thief then crashes the car. FC&S points to older case law that treats the theft as the proximate cause of the later damage, so the whole loss lands in comprehensive. There is one catch: the form says "theft or larceny," so a joyride by someone who took the car with no intent to keep it can raise a dispute in some states. For parts theft and break-ins see vandalism, parts theft and break-in damage: comprehensive claims and break-ins and vandalism: what auto and home policies each pay.
Row 12, glass. The standard form lets you choose. Per FC&S, if glass breaks in a collision you may elect to have it treated as a collision loss, and if glass breaks from any cause you may take it under other-than-collision to get the lower deductible. Some policies add full glass coverage with a zero or low deductible, and a few states regulate glass deductibles. The glass guide, windshield and glass claims, covers the details.
Row 16, trees. Storm-felled trees are comprehensive. Who pays for the tree and whether a neighbor can be held responsible is a separate question, covered in a tree fell on your car: which policy pays?.
Row 18, potholes. The coverage can look unfair: a wheel hitting a hole is not an animal, a storm or a thief. Courts have repeatedly treated a deep hole or rut as an "object." Collision is the usual answer, and a city may owe you money. See pothole damage: which coverage pays and can you claim from the city.
The gray cases
A handful of losses sit on the line. The courts that have heard them tend to give the policyholder the benefit of the doubt when the policy language is ambiguous, but that is the last resort, not a plan.
The bird versus the swerve
Hitting a deer is comprehensive. Swerving to miss it and hitting a tree is not, because the thing your car struck was the tree. The Wisconsin Office of the Commissioner of Insurance says deer hits are covered under comprehensive and advises drivers to brake firmly and stay in their lane rather than swerve. The tree or guardrail you hit while swerving is an object, and an impact with an object is the textbook collision.
The line is thinner than it looks, because the animal caused the loss even though it never touched the car. Insurers do not all draw it in the same place, so ask how yours treats a swerve before you assume. The full treatment is in hitting a deer or other animal: comprehensive or collision?.
Dead animals are included. FC&S notes that the common meaning of "animal" is broad enough that striking a carcass in the road is usually treated as contact with an animal. A person is not an animal under the form: in a federal case in Texas, a court held that a pedestrian who ran into the side of a car was an object, so the loss was a collision rather than contact with an animal.
Wind that moves things
Wind makes classification hard because someone has to show wind was the cause. FC&S describes a Georgia case in which a car rolled out of a carport and down a hill into a tree; the owner blamed wind, but the wind that day was a moderate breeze and the court called the loss a collision. In an Ohio case, a driver said wind pushed a shopping cart into his car. The insurer said some unknown force moved it, and the court gave the driver comprehensive coverage, since collision is carved out of that coverage and the cause was unknown. Treat both outcomes as examples of why a weather report, a photo of the cart and the time of the gust are worth saving.
Falling objects versus things that hit you
A tree limb that drops is a falling object. A tire that comes off a truck and rolls into your lane is, in some decisions, an object that collided with you, and in others a falling object. FC&S reports courts reaching different results on similar facts, such as wheels or ice that came off a moving vehicle. If you carry both coverages and the loss could fit either, the usual practical approach is to ask for the coverage with the lower deductible and see whether the insurer agrees.
Hit-and-run on a parked car
This is the one drivers expect to be comprehensive and is not. A vehicle that hits your parked car is a collision with another vehicle, so collision coverage responds, even though you did nothing. Some policies add collision deductible waivers or uninsured motorist property damage coverage to soften that, which is the subject of uninsured motorist property damage vs collision: which to use. Without either, you pay the collision deductible and your insurer may try to recover it by identifying the other driver. hit while parked: claims when you cannot find the other driver has the specifics.
Car washes, cargo and valets
Damage at a car wash is usually a collision on its face, but the business can also be responsible, and that route may spare you the deductible. Cargo is murkier. FC&S discusses a load that shifts and damages the vehicle from inside: there is a case for collision (an impact with an object), one for falling object, and for a live animal one for contact with an animal. The conservative reading favors the insured, but policies differ. Start with damage at a car wash, valet or repair shop: who pays if the car was in someone else's care.
Why the label changes what you pay
The two coverages have separate deductibles on the declarations page. Comprehensive has traditionally carried the lower deductible of the two. Look at your own page: the deductible for comprehensive may be $250, $500, or a number you picked years ago and forgot. how car insurance deductibles work and how the deductible is applied to a repair claim, step by step explain how it is subtracted.
The label also changes how the claim is treated afterward. Collision losses where you were at fault commonly trigger a surcharge. Comprehensive claims usually do not, though a run of them can still affect pricing or eligibility at some companies, and your claims history, the CLUE report, records both kinds. Rules for what counts against you vary by state and by insurer.
Finally, the label decides whether other money is in play. A not-at-fault collision claim can lead the insurer to recover from the other driver's insurer, which can return your deductible. Comprehensive claims, by contrast, rarely have anyone to recover from, unless a tree owner or vandal is identified. See subrogation explained: how your insurer recovers your deductible for how that recovery works.
Worked example: the same $3,000 repair, two coverages
These numbers are invented to show the mechanics, not to describe market prices. Say your declarations page shows a $500 comprehensive deductible and a $1,000 collision deductible.
- Hail. Hail leaves $3,000 of dents on the hood and roof. The loss is comprehensive. You pay $500, the insurer pays $2,500, and there is no fault on the claim.
- Guardrail. You clip a guardrail and the repair also comes to $3,000. The loss is collision. You pay $1,000, the insurer pays $2,000, and the claim is probably recorded as at fault.
- Cracked windshield. A rock cracks the windshield and replacement costs $400. With a $500 comprehensive deductible and no glass endorsement, the claim is smaller than the deductible and you pay it all. With full glass coverage and a zero glass deductible, the insurer pays it. That difference is why the glass rider matters more than its low price suggests.
Add the second-order costs and the comparison changes. If the guardrail claim is surcharged for three years, the premium increase could exceed the $2,000 the insurer paid. The Should I file a claim? calculator sets that against your own numbers.
How to find out which coverage applies to your loss
- Write down what touched the car. An animal, a vehicle, a tree, a pole, hail, a thief. The first noun usually names the coverage.
- Check the declarations page for the two coverages and their deductibles. If either is missing, that route is closed.
- Photograph the scene before you move anything, including skid marks, the object, weather conditions, and timestamps. For wind, hail and flood losses, save a screenshot of the local weather record.
- Report the loss and ask the adjuster the coverage question outright. Do not guess in the first notice. Ask which coverage the insurer is applying and why.
- Compare it with the other possibility if the facts fit both. If you have both coverages, ask for the one with the lower deductible only if the facts honestly support it.
- Get the coverage decision in writing and check the deductible stated in it against your declarations page.
If you want a script, ask the adjuster:
- "Which part of my policy are you paying this under, and what is the deductible for that part?"
- "Will this claim be recorded as at fault, and where would I see that?"
- "If the facts also fit another coverage, would that change the deductible?"
- "Is the other party or a business responsible, and will you pursue it so my deductible can be reimbursed?"
Common questions
Does a comprehensive claim raise my rates?
It can, but less often and less than an at-fault collision. Insurers price on claim frequency as well as fault, and in states that restrict surcharges the rules differ. A single deer or hail claim is usually treated far more gently than an at-fault crash. Ask your insurer how it treats comprehensive claims in your state.
My car was hit in a parking lot and the other driver left. Which coverage?
Collision, in most cases, unless you have uninsured motorist property damage coverage that applies in your state. Report it to the lot's owner and to the police if your policy requires a police report for such claims, and check hit-and-run accidents: how to file a claim.
Can I choose whichever coverage has the lower deductible?
Not freely. The facts decide the coverage, and the insurer applies the rule. Glass is the exception where the policy gives you the election. If a loss really fits both (a falling object versus an impact), say so and ask. Do not describe the facts differently to get a better result.
What if I only have liability?
Then your own car's damage is not covered, whatever caused it. Liability covers damage you do to others. Weather, theft and animal strikes are yours to pay unless you added physical-damage coverage. The guides on comprehensive coverage explained and collision coverage explained explain what to buy if you want that protection.
Key takeaways
- Collision is an upset or an impact with a vehicle or object. Comprehensive is nearly everything else, including theft, fire, weather, vandalism, falling objects, glass and animals.
- The standard policy lists ten things that are not collisions, but the list is not exhaustive; the label usually follows the first thing that touched your car.
- A hit-and-run on a parked car is generally a collision, which surprises people who expect comprehensive.
- The coverage sets the deductible and often the fault label, so check your declarations page before you file.
- Gray cases such as a swerve for a deer, a rolling car or a windblown cart turn on the facts and the wording, so ask the adjuster directly and keep the evidence.