Last Updated on October 10, 2026
Written by licensed insurance agent Andy walker
Reviewed by the Alias Insurance editorial team.
Uninsured motorist property damage and collision coverage can both pay for damage to your car, but they apply in different cases. Uninsured motorist property damage, often called UMPD, usually pays when an uninsured driver is at fault. Collision coverage pays for covered crash damage to your car no matter who caused the accident. It can also cover a one car crash, such as hitting a tree or guardrail.
UMPD is narrower. You may need to prove that the other driver caused the crash and had no insurance. Some states also require the driver to be identified. Hit and run rules vary. Collision does not require another driver to exist or be uninsured, but it usually has a deductible chosen when you buy the policy.
If you finance or lease a car, the lender or leasing company will usually require collision coverage. UMPD may be optional, required, unavailable, or subject to a signed rejection based on state law. Some states let drivers carry both. Others offer a collision deductible waiver for damage caused by an uninsured driver.
The quick answer is simple. Collision gives broader protection for crash damage. UMPD may add value if it has a lower deductible, covers a rental car or personal property, or fills a state specific gap. Before choosing, compare the exact limit, deductible, hit and run rule, repair basis, and covered property. Do not rely on the coverage name alone.
The risk is not remote. The Texas Department of Insurance reported in March 2025 that more than 2.4 million vehicles registered in Texas were not matched to an insurance policy. That was 12 percent of registered vehicles in the state. Texas Department of Insurance uninsured vehicle data
UMPD vs Collision Coverage at a Glance
| Question | UMPD | Collision coverage |
| What starts a covered claim? | An uninsured driver causes covered property damage | Your car hits another car or object, or overturns |
| Must another driver be at fault? | Usually yes | No |
| Must the other driver be uninsured? | Yes, subject to state and policy rules | No |
| Does it cover a one car crash? | No | Usually yes |
| Can it cover a hit and run? | Sometimes, based on state rules and proof | Often yes, if the loss meets the policy terms |
| Does a deductible apply? | It may apply, and some states set a cap or amount | Usually yes, based on the amount you select |
| Is it required by a lender? | Usually not | Commonly required for a loan or lease |
| Does it pay for injuries? | No, UMPD is for property damage | No, collision is for vehicle damage |
| Can it pay for a rental car? | It may in some states or policy forms | Only if rental benefits are included or bought separately |
This table gives a general rule. State law, the policy, and the facts of the crash decide whether a claim is covered.
What Is Uninsured Motorist Property Damage?
UMPD is coverage for damage caused by a driver who has no liability insurance. The other driver normally must be legally at fault. UMPD is one part of uninsured motorist insurance. It is not the same as uninsured motorist bodily injury coverage, which deals with injuries rather than car repairs.
Depending on state law and the policy, UMPD may pay for:
- Repairs to your insured vehicle
- The market value of the vehicle if it is a total loss
- Damage to covered personal property in the vehicle
- A rental car or other transport during repairs
- Damage caused by an underinsured driver if the policy includes that protection
Each item is subject to the limit, deductible, exclusions, and proof rules. Never assume that UMPD includes underinsured motorist property damage. Ask whether the form covers drivers with no insurance, too little insurance, or both.
UMPD is fault based. The insurer may review the police report, photos, witnesses, and damage before deciding fault. State law may reduce or block payment when fault is shared.
What Is Collision Coverage?
Collision coverage pays for direct physical damage to your insured car after a covered impact. It can apply when your car hits another vehicle, a tree, a pole, a wall, or a guardrail. It can also apply if the car overturns.
Collision can pay even when:
- You caused the crash
- The other driver has insurance
- The other driver has no insurance
- No second driver was involved
Your deductible and policy terms still apply. The insurer may pay repair costs or declare a total loss. A total loss payment is generally based on the car’s prior value, less the deductible. Collision does not pay a loan balance above that value.
Collision is optional under most state insurance laws. A lender or leasing company can still require it under the finance contract. Drivers can read more about how collision car insurance works before selecting a limit or deductible.
What Is the Main Difference Between UMPD and Collision?
The main difference is the cause of the loss.
UMPD focuses on damage caused by an uninsured driver who is at fault. Collision focuses on the physical event that damaged your car. It does not matter whether the responsible driver had insurance.
Consider these examples:
| Accident | UMPD may apply | Collision may apply |
| An identified uninsured driver rear ends you | Yes | Yes |
| You hit another car while changing lanes | No | Yes |
| You slide into a guardrail | No | Yes |
| An insured driver hits you | No | Yes, though the other driver’s liability policy may also pay |
| An unknown driver hits your parked car and leaves | It depends on the state and proof rules | Often yes |
| A known uninsured driver hits your parked car | Usually, if fault and lack of insurance are proven | Yes |
| Hail damages the car | No | No, a separate type of physical damage coverage may apply |
If both UMPD and collision could apply, the policy and state claim rules decide which coverage handles the loss. You cannot receive more than the covered loss by collecting twice for the same repair.
How Do Deductibles Compare?
A deductible is the part of a covered loss you must pay. If repairs cost $4,000 and the applicable deductible is $500, the insurer may pay $3,500, subject to the claim terms and vehicle value.
Collision deductibles often come in several choices. A higher deductible can lower the premium, but it raises the amount you must pay after a claim. Choose an amount you could pay on short notice. This guide explains how a car insurance deductible works in more detail.
UMPD deductibles vary by state. Texas says uninsured or underinsured motorist coverage has a $250 deductible for car repairs. The state also says this coverage usually has a lower deductible than collision. Illinois requires insurers to offer UMPD with a deductible no higher than $250. These rules do not apply nationwide. Texas Department of Insurance coverage guidance Illinois Department of Insurance definitions
A lower UMPD deductible can cut your claim cost. Yet it does not help if the claim fails the fault, identity, or insurance test. Collision applies to more crash types.
Does UMPD Cover Hit and Run Damage?
Sometimes. The answer depends on where the policy was issued and how state law defines an uninsured motor vehicle.
Texas says both collision and uninsured or underinsured motorist property damage can pay for car repairs after a hit and run. Texas also says the latter may pay for a rental car and usually has the lower deductible. Texas hit and run coverage guide
California uses a different rule. Its insurance guide says UMPD pays only when the uninsured driver is identified. The California UMPD limit is $3,500. A driver with collision may instead have access to a collision deductible waiver when an identified uninsured driver caused the loss. California Department of Insurance auto guide
Illinois also describes UMPD as coverage for damage caused by an identified uninsured driver. These state examples show why a broad statement such as “UMPD always covers hit and run damage” is not safe.
Report a hit and run to police at once. Record the time, location, damage, witness names, camera locations, and any part of the plate number. Prompt notice helps the insurer test whether the claim meets the policy definition and deadline.
Can You Carry Both UMPD and Collision Coverage?
Some drivers can carry both. Illinois states that UMPD may be bought with or without collision. California tells drivers they may not need UMPD if they already have a collision and also describes a collision deductible waiver. Other states may limit UMPD, combine it with underinsured motorist protection, or require an offer and written rejection.
Both may make sense when UMPD has a lower deductible or covers a rental car or personal property that collision does not include.
Overlap does not always justify the premium. Ask how each coverage would respond to the same crash. Compare:
- Which coverage pays first
- The deductible under each coverage
- The maximum UMPD limit
- Whether an unknown hit and run driver qualifies
- Whether rental costs and personal property are covered
- Whether an underinsured driver qualifies
Get the answer in writing. The declarations page lists the coverage, while the policy explains its terms.
Does Collision Coverage Make UMPD Unnecessary?
Collision reduces the need for UMPD because it already covers crash damage caused by an uninsured driver. Still, UMPD may offer a lower deductible or extra property benefits. Its value depends on the state, price, limit, and policy form.
Use this test:
- Find your collision deductible.
- Find the UMPD deductible and limit.
- Check whether UMPD covers unknown hit and run drivers.
- Check rental and personal property benefits.
- Compare the added premium with the benefit gap.
Suppose collision has a $1,000 deductible and UMPD has a $250 deductible. An identified uninsured driver causes $6,000 in repairs. UMPD could cut your share by $750 if it applies and the limit is enough.
If you back into a post, UMPD does not apply because no uninsured driver caused the crash. Collision may pay after its deductible.
What If an Underinsured Driver Damages Your Car?
An underinsured driver has liability insurance, but not enough to pay the covered loss. UMPD does not always include underinsured motorist property damage. Some policies combine the two. Some states treat them as separate benefits.
Suppose your car has $18,000 in covered damage, but the at fault driver has only $10,000 in property damage liability coverage. Underinsured motorist property damage may address part of the gap. Collision may also apply after its deductible.
Do not assume the word “uninsured” includes a driver with low limits. Look for both UM and UIM on the quote and declarations page. Ask how the other insurer’s payment affects your own limit.
Which Coverage Applies to a Parked Car?
The same fault and insurance rules apply when your car is parked.
If an identified uninsured driver hits it, UMPD may pay. Collision may also pay because another vehicle struck your car. If the driver leaves and cannot be identified, collision often gives the clearer path, while UMPD depends on state law. If someone scratches the car on purpose or a branch falls on it, neither UMPD nor collision may fit because there was no collision with an uninsured driver or covered impact under collision terms.
Photos can show the impact point, paint transfer, and debris. Ask nearby homes or stores to save video. Give all contact details to the adjuster.
What Does Neither Coverage Pay?
UMPD and collision are property coverages. They do not pay medical bills, lost wages, or pain and suffering. Uninsured motorist bodily injury, PIP, MedPay, health insurance, or the at fault driver’s bodily injury liability coverage may address injuries, based on state law.
They also do not normally pay for:
- Normal wear, rust, or mechanical failure
- Routine maintenance
- A loss above the car’s covered value
- A loan balance above the vehicle payment
- Rental costs unless the applicable coverage includes them
- Custom equipment that the policy does not cover
- Damage caused on purpose by the policyholder
Exclusions may apply to racing, delivery work, ride services, excluded drivers, or unlisted uses. Read the policy for exact terms.
How Should You Choose Between UMPD and Collision?
Start with the car’s market value and any loan or lease rule. Compare what each option leaves you to pay.
Keep collision in mind when:
- A lender or leasing company requires it
- You could not afford to replace the car
- You want coverage for at fault and one car crashes
- Hit and run identity rules make UMPD uncertain
- The vehicle still has enough value to justify the premium and deductible
Consider UMPD when:
- It is available in your state
- Its deductible is lower than your collision deductible
- It covers rental costs or property inside the car
- You do not carry collision but want some protection from uninsured drivers
- Its limit is high enough for the value at risk
Ask for quotes with the same liability limits. Change one option at a time. Compare the added premium, deductible, repair limit, and exclusions. Confirm that the insurer and agent hold active licenses in your state.
How Do You File a UMPD or Collision Claim?
Report the crash and prevent more damage. Call police after a hit and run or when state law requires it. Exchange details if the other driver stays.
Give the insurer:
- Clear photos and video of both vehicles and the scene
- The other driver’s name, plate, license, and insurance details
- The police report number
- Witness contact details
- Repair estimates, towing bills, and storage bills
- Receipts for rental costs or damaged property if those costs may be covered
For UMPD, the insurer must confirm fault and uninsured status. For collision, it checks whether a covered impact caused the damage. It may later seek repayment from the driver who caused the loss.
Ask the adjuster which coverage is being used, what deductible applies, and whether the deductible may be recovered. Request written reasons for any reduction or denial. Your state insurance department can explain consumer rights or accept a complaint, but it does not replace personal legal advice.
Frequently Asked Questions
Not always. Collision already covers many crashes caused by uninsured drivers. UMPD may still offer a lower deductible or benefits for rental costs and personal property. Compare the state rules, limits, and added premium before keeping both.
Yes, collisions can pay for covered damage to your car even if the other driver has no insurance. Your collision deductible usually applies. Your insurer may try to recover its payment and your deductible from the responsible driver.
It depends on the state and policy. Texas says uninsured motorist property damage can cover a hit and run. California and Illinois require the uninsured driver to be identified for UMPD. Collisions can often cover the damage even when the driver remains unknown.
Some UMPD forms cover a rental car or other transport during repairs. Texas lists rental car costs as a benefit of its uninsured or underinsured coverage. Other policies may require separate rental reimbursement coverage. Check the daily limit and maximum number of days.
The deductible for the coverage used on the claim applies. UMPD may have a state set deductible, while you select the collision deductible. Ask the adjuster to state the chosen coverage and deductible in writing before repairs begin.
Final Takeaway
Collision coverage protects your car in more crash types, including accidents you cause and one car crash. UMPD applies to a smaller set of losses caused by uninsured drivers, but it may have a lower deductible or added property benefits. State rules can change the answer, especially for a hit and run. Compare written quotes and policy forms, then confirm your choice with a licensed insurance professional. Alias Insurance can help you compare car insurance quotes while you review the UMPD and collision terms offered for your state.
Sources and References
