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Rental Car Accidents: Is the Driver or Rental Company at Fault?

Published August 20, 2025 by Harker Injury Law
a rental car and another vehicle after a minor collision

Whether you’re traveling for business or enjoying a weekend getaway, renting a car is supposed to make your life easier. Unfortunately, when a rental car accident happens, things can get complicated quickly. Questions about fault, insurance coverage, and rental car costs can leave you confused about who pays for the damage — you, the rental car company, or another driver.

Determining who is responsible after a rental car accident depends on several factors, including who caused the crash, what kind of insurance applies, and what’s outlined in your rental agreement. Understanding your rights and options can help you avoid unnecessary financial burden and ensure you’re protected if an accident occurs.

At Harker Injury Law, we help injured drivers navigate these complex situations and fight for fair compensation from all liable parties — whether that’s a rental company, an at fault driver, or an insurance company that refuses to pay.

What Makes Rental Car Accidents So Complex?

A rental car accident is not like a typical car accident. When a rental vehicle is involved, multiple insurance policies can come into play — your own insurance company, the rental car company’s insurance, and the at fault driver’s insurance.

Each insurance company will often try to shift responsibility, making it difficult for accident victims to determine who should cover damages or pay for your rental.

Common factors that complicate these cases include:

  • Disputes over who was the at fault driver

  • Gaps in rental car coverage or liability coverage

  • Conflicts between auto insurance policy terms
  • Rental car fees and rental costs after the crash
  • Denied or delayed insurance claims

Without guidance from an experienced car accident attorney, it’s easy to make mistakes that limit your ability to seek reimbursement or recover compensation for property damage and injuries.

Who Is Liable in a Rental Car Accident?

Liability in a rental car accident depends primarily on who caused the crash. Under California state law, the at fault driver (and their insurance company) is typically responsible for covering damages. However, when a rental vehicle is involved, other parties may also share liability.

1. The At-Fault Driver

If another driver caused the crash, their car insurance company should pay for your injuries and rental car expenses through their liability insurance. You can file a claim against the at fault driver’s insurance to cover rental car costs, property damage, and medical treatment.

However, if the at fault driver is uninsured or underinsured, you may need to rely on your own insurance company or your rental insurance policy for coverage.

2. The Rental Car Driver

If you were driving the rental car and caused the accident, your car insurance may extend coverage to the rental vehicle, depending on your auto insurance policy.

Most personal policies include liability coverage, collision coverage, or personal injury protection, but not all provide full rental car reimbursement. You may also have purchased optional coverage or additional insurance from the rental company, which could cover rental car costs and damages.

3. The Rental Car Company

A rental car company may be liable if the vehicle they provided was unsafe or poorly maintained. For example, if the rental vehicle had brake issues, mechanical failure, or other hidden vehicle defects, the company could be held responsible for negligence.

Some cases also involve product liability when a vehicle has a manufacturing flaw that causes a crash.

Understanding Rental Car Insurance Coverage

The good news is that there are multiple forms of insurance coverage that may help after a rental car accident. However, the specific protection depends on the type of policy you have and what’s included in your rental agreement.

Common Types of Rental Car Coverage:

  • Collision Damage Waiver (CDW): Covers the cost of repairing or replacing the rental vehicle after a crash.
  • Liability Insurance: Pays for injuries and damages you cause to others in an accident.
  • Personal Accident Insurance: Covers medical bills for you and passengers.
  • Personal Effects Coverage: Protects your belongings in the rental car.
  • Rental Reimbursement Coverage: Helps pay for your rental when your own vehicle is being repaired after an accident.

It’s important to read the fine print of your auto insurance policy and rental agreement to understand what is — and isn’t — covered.

The Role of Your Personal Auto Insurance

Most auto insurance policies extend some level of protection to rental cars. Your own insurance company may help cover rental car costs and damages if you carry:

  • Collision coverage for damage to the rental car

  • Comprehensive coverage for theft or vandalism
  • Liability insurance for injuries to others
  • Personal injury protection (PIP) for your medical bills

However, your car insurance company might still deny part of your claim or argue that another insurance company should pay first. That’s why it’s crucial to notify your insurer immediately and let your car accident lawyer handle communications with adjusters.

When the At-Fault Driver’s Insurance Applies

If someone else caused the crash, their at fault driver’s insurance or other driver’s insurance company should pay for your rental car costs, injuries, and property damage.

However, many insurance companies try to minimize payouts by disputing liability or offering low settlements. They may argue that you didn’t have adequate insurance or that your rental car coverage doesn’t apply.

In such cases, your experienced attorney can negotiate with the at fault driver’s insurance and ensure your rights are protected during the claims process.

What If the At-Fault Driver Has No Insurance?

If the at fault driver is uninsured or their insurance covers less than your total losses, you can turn to your own auto insurance company for help.

Your policy may include:

  • Uninsured/Underinsured Motorist Coverage (UM/UIM)

  • Rental reimbursement coverage for a covered period

  • Collision coverage for damage to the rental vehicle

These options can help cover damagesseek reimbursement, and pursue compensation even when the at fault party has no coverage.

Common Disputes in Rental Car Accident Claims

After a rental car accident, it’s not unusual for multiple insurers to argue over who should pay. Common disputes include:

  • Whether your driver’s insurance applies to the rental car

  • Whether the rental car company bears any responsibility
  • Which insurance company covers rental car costs or property damage

  • Delays by insurance adjusters or denial of valid accident claims

  • The at fault driver’s insurance refusing to accept liability

When insurers point fingers, accident victims are the ones who suffer delays in recovering compensation. Having a skilled car accident lawyer ensures that all parties are held accountable and that your insurance coverage is applied properly.

Steps to Take After a Rental Car Accident

If you’re involved in a rental car accident, taking the right steps can make a huge difference in the outcome of your claim:

  1. Call the police and file an official report.
  2. Document the accident — take photos of the scene, property damage, and any injuries.
  3. Exchange information with the other driver, including their insurance policy details.
  4. Notify the rental company immediately about the crash.
  5. Contact your own insurance company to file a claim.
  6. Keep copies of all receipts, rental car fees, and rental car expenses.
  7. Speak with an experienced attorney before accepting any settlement or signing documents.

Quick action helps preserve your legal rights and ensures that all liable parties are identified and held accountable.

How an Attorney Can Help

Dealing with a rental car accident claim on your own can be overwhelming. Between conflicting insurance companies, unclear rental agreements, and rental car coverage disputes, it’s easy to get lost in the process.

At Harker Injury Law, our attorneys will:

  • Investigate who was at fault and identify all liable parties

  • Handle communications with every insurance company involved
  • Review your auto insurance policy and rental agreement for coverage gaps
  • Ensure that the at fault driver’s insurance pays for damages
  • Negotiate to cover rental car costs and medical treatment
  • Help you seek compensation for pain, suffering, and lost wages

We have extensive experience handling car accident and rental car accident cases across California, helping clients navigate the claims process and recover the compensation they deserve.

Protect Your Rights After a Rental Car Accident

If you were injured in a rental car accident, don’t assume the rental company or insurance company will automatically do what’s right. You need strong legal help to ensure you aren’t left paying for someone else’s mistake.

At Harker Injury Law, we know how to hold both drivers and rental car companies accountable under California state law. Our team will carefully review your insurance coverage, pursue all available options for recovery, and help you pursue compensation for your injuries and financial losses.

Call (760) INJURED today for a free consultation with a trusted car accident lawyer. Let us help you determine fault, handle the insurance disputes, and protect your rights after a rental car accident.

Associations & Awards

  • Million Dollar Advocates Forum
  • State Bar of California
  • University of California San Diego
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  • J Reuben Clark Law Society
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  • State Bar of Nevada
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