The decision between full coverage and liability-only insurance is one of the most important financial decisions car owners face. Choose wrong and you are either over-paying or leaving yourself exposed to massive out-of-pocket costs.
What Is Liability-Only Insurance?
Liability insurance covers damage and injuries you cause to others in an accident. It does NOT cover your own car or your own medical expenses. Every state except New Hampshire requires some form of liability insurance to drive legally.
What Is Full Coverage?
Full coverage is not a single policy type — it is a combination of liability, collision, and comprehensive coverage. Collision pays for accident damage to your car regardless of fault. Comprehensive covers non-collision events like theft, hail, flooding, fire, and animal strikes.
When to Choose Full Coverage
- Your car is less than 10 years old
- Your car’s market value is over $4,000
- You have an active car loan or lease (lenders require it)
- You live in an area prone to hail, flooding, or high vehicle theft
- You cannot afford to replace or repair your car out of pocket
When Liability-Only May Be Enough
- Your car is over 10 years old with high mileage
- Your car’s value is under $3,000–$4,000
- You have significant savings to self-insure your vehicle
- Your annual collision and comprehensive premium exceeds 10% of car value
The 10% Rule
A widely used guideline: if your annual collision and comprehensive premium exceeds 10% of your car’s actual cash value, consider dropping those coverages. For example, if your car is worth $5,000 and collision plus comprehensive costs $600 per year, dropping those coverages likely makes financial sense over time.
| Coverage | Covers Your Car? | Covers Others? | Required by Law? |
|---|---|---|---|
| Liability Only | No | Yes | Yes (most states) |
| Collision | Yes (accidents) | No | No (lender may require) |
| Comprehensive | Yes (non-accident) | No | No (lender may require) |
| Full Coverage | Yes (both) | Yes | No (but recommended) |
Always keep liability coverage above the state minimum. Minimum limits are often too low to cover a serious accident, leaving you personally liable for the difference.
Frequently Asked Questions
Is full coverage worth it on a 10-year-old car?
It depends on the car’s value. Check the actual cash value on Kelley Blue Book or Edmunds, then compare it to your annual collision and comprehensive premium. If the premium is more than 10% of the car’s value, consider dropping those coverages.
What is gap insurance and do I need it?
Gap insurance pays the difference between what you owe on your car loan and the car’s actual cash value if it is totaled. It is especially important in the first 2–3 years of a new car loan when you may owe more than the car is worth.