Collision coverage pays to repair or replace your car when it’s damaged in a crash. Hit another car, hit a guardrail, slide into a ditch, back into a concrete pillar — those are all collision claims. It doesn’t matter whether the accident was your fault or someone else’s. If your car is damaged because it hit something, collision is the coverage that handles it.
That’s the simple version. There’s a bit more to understand about how it works, when it makes financial sense to carry it, and what it doesn’t cover — which surprises more people than it should.
How Collision Coverage Works
When you file a collision claim, your insurer sends an adjuster to assess the damage. They calculate the cost to repair your vehicle, or if the car is totaled — meaning repair costs exceed the vehicle’s actual cash value — they pay you the car’s market value instead.
Actual cash value is what your car is worth on the open market right before the accident. Not what you paid for it. Not what you owe on the loan. What it’s worth now, accounting for age, mileage, and condition. If you bought a car for $28,000 three years ago and it’s now worth $18,000 on the market, a total loss settlement pays you $18,000. Whatever you still owe on the loan is your responsibility, which is why gap insurance exists — but that’s a separate conversation.
Before the insurer pays anything, your deductible comes out first. If your deductible is $1,000 and the repair estimate is $4,500, your insurer pays $3,500. You pay the $1,000 deductible. That’s how every collision claim works, regardless of fault.
The Deductible Decision
Collision deductibles typically range from $250 on the low end to $2,500 on the high end. The higher your deductible, the lower your premium. A $1,000 deductible might save you $15 to $25 per month compared to a $500 deductible, depending on your car, your driving record, and where you live.
The right deductible is the highest amount you can comfortably pay on short notice. Not theoretically, not in a perfect month — on any given Tuesday when something goes wrong. If your emergency fund has $1,200 in it, a $2,500 deductible is a problem. You’d be scrambling to cover the gap. If you have $8,000 in savings and strong cash flow, a $2,500 deductible might make perfect sense. You keep the premium savings in the years you don’t file a claim, and you can handle the deductible when you do.
There’s also a strategic consideration around small claims. Say a parking lot scrape costs $1,400 to fix and your deductible is $1,000. Filing that claim gets you $400 from the insurer. But filing a collision claim can trigger a surcharge at renewal — often $100 to $200 per year for three to five years. You might pay $300 to $1,000 more in premiums over the next few years because of a $400 claim. For small repairs close to your deductible, doing the math before you file is worth it. Sometimes paying out of pocket is cheaper in the long run.
When Collision Is Worth Buying
Collision coverage is optional unless you’re financing or leasing your vehicle. If you have a loan or a lease, the lender or leasing company requires you to carry collision — and comprehensive — because they have a financial interest in the vehicle. Until it’s paid off, they’re essentially a co-owner, and they want their asset insured.
If you own your car outright, collision is your call. And for newer or more valuable cars, the answer is almost always yes. If your car is worth $20,000 and you caused an accident that totals it, losing $20,000 is a serious financial hit for most people. Collision coverage costs a few hundred dollars a year. It’s worth it.
But the math changes as a car ages.
A common rule: if the annual premium for collision and comprehensive combined exceeds 10% of your car’s current market value, consider dropping those coverages. So if your car is worth $5,000 and you’re paying $700 a year for collision and comprehensive, you’re paying 14% of the car’s value annually for coverage that can never pay out more than $5,000 minus your deductible. If your deductible is $1,000, the max you can ever collect is $4,000.
Run the old car math explicitly. Let’s say your car is worth $3,500 and your collision deductible is $1,000. Maximum possible payout: $2,500. If you’re paying $500 a year for collision coverage, you’d need to go five years without a claim just to break even — and by then, the car might be worth $1,500, meaning your maximum payout has dropped to $500. The math simply doesn’t work in your favor once a car gets old enough.
At that point, self-insuring makes more sense: drop collision, pocket the premium, and put that money toward replacing the car when it eventually gives out.
What Collision Does NOT Cover
This is the part that trips people up. Collision covers damage from crashes. It doesn’t cover everything that can happen to a car.
Theft. If someone steals your car, that’s a comprehensive claim, not collision. Collision only applies when your car hits something or something hits your car.
Weather damage. Hail dents your hood, a flood fills your interior, a falling tree branch crushes your roof — all comprehensive. Not collision.
Animal strikes. You hit a deer at 55 mph and the front end is destroyed. Comprehensive. Not collision. This surprises a lot of people in rural areas where deer strikes are common. The distinction matters because if you only have collision and not comprehensive, a deer strike is entirely out of pocket.
Vandalism. Someone keys your car or smashes a window. Comprehensive again.
Mechanical failure. Your engine seizes. Your transmission fails. Your brakes give out on a hill. None of those are insurance events — they’re maintenance issues. Collision covers damage from accidents, not the normal wear and tear of owning a vehicle.
Personal property inside the car. If your laptop or camera gear is damaged or stolen from the car, your auto policy doesn’t cover it. That’s a homeowners or renters insurance claim.
The dividing line between collision and comprehensive is roughly this: collision is anything involving impact. Comprehensive is everything else — theft, weather, fire, animals, vandalism. You typically buy them together, and most insurers bundle them. But they’re technically separate coverages with separate deductibles, and you can carry one without the other.
How Collision Interacts With the Other Driver’s Insurance
If someone else causes the accident, their property damage liability coverage is supposed to pay for your vehicle repairs. That’s the system working as designed. You file a claim with their insurer, they pay for your car, and in theory it costs you nothing because you don’t touch your own coverage.
But “in theory” does a lot of work in that sentence.
The other driver might be uninsured. About one in eight drivers nationally doesn’t have insurance. If that driver totals your car and you don’t have collision coverage, you’re either suing an uninsured driver in civil court — which is slow, expensive, and often uncollectable because uninsured drivers frequently don’t have assets worth pursuing — or you’re eating the loss.
The other driver might be underinsured. They have a $10,000 property damage limit. Your car is worth $22,000. Their insurer pays $10,000 and closes the claim. You’re out $12,000. Without collision or uninsured/underinsured motorist property damage coverage, that gap is yours.
Fault might be disputed. Even in an accident that’s clearly not your fault, if the other driver disputes it, their insurer may delay payment for months while the claim is investigated. Your own collision coverage pays immediately (minus your deductible), and then your insurer goes after the at-fault driver’s insurer to recover the money — including your deductible — through a process called subrogation. You get your deductible back when the subrogation is successful.
The practical takeaway: even if you’re a careful driver who never causes accidents, carrying collision coverage protects you from situations where someone else causes the accident but you end up holding the bag.
Collision and Newer Car Technology
One thing worth knowing for newer vehicles: repair costs have gone up dramatically because of the technology built into modern cars. A bumper on a 2015 economy car might cost $800 to repair. The same bumper on a 2023 car with backup cameras, parking sensors, and radar modules integrated into the bumper assembly might cost $3,500 or more to repair properly. Windshields with built-in cameras and heating elements that once cost $300 now cost $1,200.
This makes collision coverage more valuable on newer vehicles than it used to be, because even minor fender benders generate larger repair bills. A tap at low speed in a parking lot that would have been a $500 repair five years ago might be a $2,500 repair today. The higher the technology content of a vehicle, the more valuable collision coverage becomes relative to the deductible and premium cost.
Should You Carry Collision? The Short Answer
If your car is worth more than $8,000 to $10,000, carry collision. If your car is worth $4,000 or less, run the numbers and consider dropping it. If your car is somewhere in between, your deductible amount and your personal cash reserves matter — a $2,500 deductible on a $6,000 car means you’re insuring against a maximum $3,500 loss, and the premium savings from a higher deductible might tip the math toward dropping coverage entirely.
If you’re financing or leasing, this decision isn’t yours to make. Your lender requires it.
And regardless of where you land on collision, think hard about comprehensive. It’s usually cheap — sometimes $100 to $200 a year — and it covers things collision doesn’t, including theft and weather damage. On an older car where you’re considering dropping collision, it sometimes still makes sense to keep comprehensive for that reason alone.
The goal isn’t to carry every possible coverage or to carry as little as possible. It’s to match your coverage to your actual financial exposure, knowing what each piece does and doesn’t cover.
Gap Insurance and Collision: How They Work Together
If you financed a vehicle and you’re upside-down on the loan — meaning you owe more than the car is worth — collision coverage alone won’t fully protect you in a total loss. Here’s why. Collision pays actual cash value. Your loan balance is separate. If your car is worth $22,000 but you owe $27,000 on the note, a total loss settlement gives you $22,000. The $5,000 gap between what insurance pays and what you still owe the lender is yours.
Gap insurance covers that difference. It’s usually sold by the dealership at closing, but you can also buy it through your auto insurer, often for much less. If you’re financing a new or near-new vehicle, gap coverage is worth carrying for the first few years while you’re most likely to be upside-down. Once your loan balance drops below the car’s market value, gap insurance becomes unnecessary.
Collision is a prerequisite for gap insurance — you can’t have gap without collision, because gap only pays after collision settles the actual cash value claim. Think of them as layered: collision pays first, gap covers whatever remains on the loan above that payout.
A Note on Rental Car Coverage During a Claim
When your car is in the shop after a collision claim, you still need a way to get around. Rental reimbursement coverage — often called transportation expense coverage — pays for a rental car while your vehicle is being repaired. It’s usually very cheap to add, around $5 to $10 per month, and it provides a daily allowance (typically $30 to $50 per day) for a rental up to a maximum number of days.
Without it, you’re paying out of pocket for a rental during the repair period. A week in a rental car can easily run $300 to $500 or more depending on the vehicle class and location. If you’d be stuck without a car during a repair, rental reimbursement is worth the small additional premium. If you have a second vehicle or another way to get around, it’s less critical.