Does the at-fault insurer have to pay for a rental before the repair starts?

Usually only if the car cannot be driven safely. If it is still drivable, many insurers start loss of use when the car goes into the shop. If the damage makes it unsafe or illegal to drive, say so in writing and include photos.

Can they make me take a smaller rental car than mine?

The usual standard is a comparable vehicle. If you drive a truck for work or need a third row for kids, explain that in writing and ask them to authorize a comparable class. Rental quotes for that class help.

What if their insured has no insurance at all?

Then there is no liability policy to claim against. Your own uninsured motorist property damage coverage, collision coverage or rental coverage may apply, depending on what you carry and where you live.

Will they pay for the days I already rented before they accepted fault?

Often yes, once liability is accepted, as long as the rental was reasonable. That is why receipts and a short log of the days matter. Send them together and ask for reimbursement in writing.

Is loss of use paid on a total loss too?

Generally yes, for a reasonable time. Many insurers pay until a short period after they make a settlement offer on the car. If the offer is late or disputed, note the dates and ask them to extend the rental in writing.

Do I need a lawyer for a rental dispute?

Many people sort it out with written requests and a Department of Insurance complaint if needed. If there are injuries or a large amount at stake, talking with an attorney in your state is worth it.

At Fault Insurance Won't Pay for Rental Car?

If the other driver caused the crash, their insurer usually owes you for the time you are without your car, either as a rental or as a loss of use payment. A refusal is most often a timing problem (they have not accepted fault yet) or a dispute about how long or how much, not a final answer. You can rent now through your own policy or pay and keep receipts, then claim the cost back from the at-fault insurer in writing.

Why is the at-fault insurer refusing to pay for my rental?

A flat "no" on a rental usually comes from one of a handful of reasons. Ask the adjuster which one applies to you, and ask for it in writing.

Liability is not accepted yet. Many insurers will not authorize a rental until they have decided their driver was at fault. That can take days while they get a statement from their own customer.
Fault is disputed. If their driver tells a different story, the insurer may deny the whole claim, rental included, until the police report or witnesses settle it.
They say the car is drivable. If the damage does not keep you off the road, they may say you have no loss of use until the car goes into the shop.
They object to the rate or the length. Some insurers will only pay a set daily rate, or only for the days they think a repair should take.
Their driver's policy is not active, or the limits are used up. In that case the problem is coverage, and your own policy may be the better path.

Knowing the reason tells you what to send next. A timing delay needs a reminder and a paper trail. A fault dispute needs evidence. A rate dispute needs comparable rental quotes.

What is a loss of use claim?

Loss of use is the legal idea behind the rental. When someone else damages your property, you lose the use of it for a while, and that loss has a value. In third-party claims, the at-fault driver's liability coverage is generally what pays for it.

Most of the time loss of use is paid as a rental car billed directly to the insurer. But a rental is just the usual way of measuring the loss. The underlying claim is for the time you went without a vehicle you owned and relied on.

Can I claim loss of use if I never rented a car?

Sometimes. Whether you can be paid for loss of use without renting depends on your state and on the facts. In some places, owners can recover the reasonable rental value of a comparable car for a reasonable period even if they borrowed a car from family or took rides instead. In others, insurers and courts look for an actual out-of-pocket cost.

If you did not rent, document what you did instead: rideshare receipts, bus fares, mileage on a borrowed car, days you could not get to work. Then ask the adjuster, in writing, whether they will pay loss of use for those days and at what daily rate. Their answer, on paper, is what you work from.

How long should the other driver's insurer pay for a rental?

The common standard is a reasonable period. In practice that usually means:

If the car is being repaired: the time it reasonably takes to get the repair done, which can include waiting for an estimate, parts and supplements.
If the car is a total loss: usually until a reasonable time after the insurer makes its settlement offer, so you have a chance to replace the car.
If the delay is the insurer's fault: slow inspections, lost paperwork and stalled supplements are not your doing. Note every delay with a date and point to it if they try to cut the rental short.

Insurers will often give short notice before ending a rental. If you get that notice, reply in writing with the repair shop's current timeline and ask them to confirm the end date only after the car is ready.

Should I use my own rental reimbursement coverage instead?

If you have rental coverage on your own policy, using it can get you a car right away while the at-fault insurer decides. Your insurer can then seek the cost back from the other driver's insurer. Two things to check first:

Daily and total limits. Your coverage may cap the rental at a daily amount and a maximum number of days.
Any gap. If your coverage runs out before the repair is done, the at-fault insurer may still owe the rest. Keep the rental agreement and every receipt so the gap is easy to prove.

What to do this week: a checklist

Get the claim number for the other driver's insurer and the adjuster's name and email.
Ask in writing whether liability has been accepted, and if not, what they still need.
Send your evidence on fault: police report number, photos, witness names.
Get two or three rental quotes for a car comparable to yours, so any rate dispute has numbers behind it.
Rent if you need to, through your own coverage or on your own card, and keep every receipt.
Keep a daily log: days without a car, alternate transportation costs, and every call with the adjuster.
Ask the repair shop for a written timeline and update it as parts arrive.
Do not sign a release for the property damage claim until rental and loss of use are settled too.

A short email you can send the adjuster

Subject: Claim [number], request for rental / loss of use

Hello [Adjuster name],

My vehicle has been out of service since [date] because of the
collision with your insured on [date]. I am requesting payment for
loss of use for the full repair period.

Please confirm in writing:
1. Whether your company has accepted liability, and if not, what
   you still need from me.
2. The daily rate you will pay, and the basis for that rate.
3. Whether you will reimburse rental costs I have already paid
   (receipts attached) or alternate transportation costs.

The repair shop's current estimate for completion is [date].

Thank you,
[Your name] / [Phone]

What if they still say no?

Start with the adjuster's supervisor and ask for the denial in writing with the reason. If the insurer will not respond or the delay keeps growing, many owners file a complaint with their state's Department of Insurance, which typically requires the insurer to respond. For larger amounts, small claims court against the at-fault driver is an option in many states, and time limits apply, so check your state's rules early.

Loss of use is only one piece of what you are owed. Towing and storage are another, covered in who pays towing and storage fees after an accident. If you paid your own deductible to get moving faster, see how to get your deductible back.

At Fault Insurance Won't Pay for Rental Car Costs? How to Claim Loss of Use