US Rental Car Insurance: CDW, LDW, SLI, PAI – What Each One Means
Updated October 30, 2026 · By Yaniv Segal, RentCarUSA
In short: At a rental counter in the USA, you will be offered several types of coverage with abbreviated names. Two of them are the core: LDW/CDW, which covers damage to the rental car and theft of the car, and SLI (also called LIS), which covers damage you cause to other people. PAI and PEC mainly cover things that your travel insurance usually already covers. In our packages, LDW/CDW and third-party liability up to $300,000 are already included.
Why is rental car insurance in the USA confusing for visitors?
In many countries, every car must have compulsory insurance, and you buy damage cover and third-party cover in one policy. In the USA the structure is different: most Americans drive with their own private car insurance, which usually also covers them in a rental car. For this reason, the basic price on US websites often does not include the coverage. A visitor without a US policy does not have this base, and at the counter they discover that the price they booked is only part of the cost.
In addition, each company uses slightly different names for its coverage, and some of them are not "insurance" in the legal sense at all. They are a waiver: the rental company gives up its right to charge you. So it is a good idea to know the terms before you reach the counter after a long flight.
What does each abbreviation mean?
| Term | Full name | What it covers | Do you need it? |
|---|---|---|---|
| CDW | Collision Damage Waiver | The company waives charges to you for damage to the rental car in an accident | Yes, unless you have other coverage that is valid in the USA |
| LDW | Loss Damage Waiver | Like CDW, plus theft and loss of the car. In the USA this is the common term | Yes, this is the full version |
| TP | Theft Protection | Theft of the car only. Common in Europe; in the USA usually included in LDW | Included in LDW |
| SLI / LIS / ALI | Supplemental Liability Insurance | Injury and property damage you cause to a third party, above the minimum, often up to $1 million | Very important for visitors |
| PAI | Personal Accident Insurance | Medical expenses and death benefit for the driver and passengers in the car | Usually overlaps with travel insurance |
| PEC | Personal Effects Coverage | Theft of or damage to personal belongings inside the car | Usually overlaps with travel insurance (baggage) |
PAI and PEC are often sold together as one package. In addition, you will be offered extras that are not insurance, such as extended roadside assistance, which covers cases such as keys locked in the car or a dead battery.
LDW and CDW: what is the difference, and what is not covered?
The main difference is theft: CDW focuses on damage from an accident, and LDW adds theft, vandalism and loss of the car. In the USA, most companies sell LDW, and in practice the two terms are used with almost the same meaning.
It is important to understand that this is a conditional waiver. If you break the terms of the contract, the waiver may not apply. Common examples:
- A driver who is not listed on the contract drove the car.
- Driving under the influence of alcohol or drugs.
- Driving on dirt roads or in places the contract prohibits, such as entering Mexico.
- Commercial use, for example paid ride-sharing trips.
In addition, some contracts exclude items such as tires, windows, keys or towing, or charge administration fees. For the question of how much you will pay yourself if damage happens anyway, we wrote a separate guide: Zero deductible on a rental car in the USA.
Why is SLI the most important coverage for a visitor?
Damage to the rental car is limited to the value of the car. Damage to others, such as hitting a pedestrian, the hospital stay of another driver or damage to a luxury car, can reach much higher amounts, and in the USA such lawsuits are common.
In California, as of 2026, the legal minimum for liability insurance is $30,000 per injured person, $60,000 per accident and $15,000 for property damage (since January 2025). In addition, in California the standard rental agreement usually does not include liability coverage automatically, and a person who does not have US insurance needs to buy it. SLI raises the coverage far above the minimum. A full explanation of this gap is in our guide Third-party liability in California.
What do visitors actually need, and what do they already have?
Most visitors travel with travel insurance, which usually includes medical cover and baggage cover. So PAI and PEC often duplicate coverage you already have. On the other hand, the third-party liability section in travel policies tends to explicitly exclude the use of a motor vehicle, which means it will not help you in a road accident. Insurance that comes with a credit card also usually focuses on refunding the deductible for damage to the car, not on liability to others. Details are in Credit card insurance and rental cars in the USA.
The bottom line for most visitors:
- LDW/CDW: you need it, unless you have other coverage that you have checked is valid in the USA and for the length of your rental.
- Liability insurance (SLI or equivalent): you need it, with a high limit.
- PAI and PEC: you can usually skip them if you have travel insurance with medical and baggage cover. Check your policy.
How much does it cost at the counter, and what is included with us?
In our check on October 25–26, 2026, for 26 days at LAX, a "car only" offer with a damage waiver ($28 per day) and liability insurance ($13 per day) bought at the counter came to more than $1,900 for a small SUV. With us, the same type of car (Chevrolet Trax or similar) costs $936 for 26 days, including damage and theft coverage for the car (CDW/LDW), third-party liability up to $300,000, all taxes and fees, and unlimited miles.
Not included: fuel, toll roads, parking tickets and optional extras such as PAI or PEC. Payment: a service fee when the booking is confirmed, and the rest at pickup, never more than the quote. More details are in the main guide Monthly car rental in Los Angeles.
Frequently asked questions
Is LDW insurance?
Legally, not exactly. It is a waiver by the rental company of its right to charge you for damage to or theft of the car, subject to the terms of the contract. In practice, it does the job of full damage insurance.
What is the difference between SLI and LIS?
There is no real difference. Different companies use different names for extended liability coverage: SLI, LIS or ALI. What matters is the limit, not the name.
If I have travel insurance, can I decline everything at the counter?
No. Travel insurance usually covers medical costs and baggage, but not liability to others in a road accident and not damage to the rental car, unless you bought a suitable extension.
What should I do if the counter tries to sell me coverage that is already included?
Ask to see in the contract what is already included, and do not sign for extras you do not need. With us, the coverage is included in the quote, and extras are only by your choice.
Want a price that already includes the important coverage? Get a quote.