Should I Get Uninsured Motorist Coverage? Check the Injury Gap First

If a serious crash injury would strain your savings or income, uninsured motorist coverage deserves serious consideration. Having health insurance and collision coverage does not automatically make it redundant. The strongest reason to buy it is often protection against injury-related losses—not the value of your car.

First check whether your state requires the coverage or lets you decline it. Where it is optional, compare the actual premium savings from removing it with the losses you would have to absorb yourself. This is a U.S. coverage guide; state law and your policy determine the benefits available.

Know which coverage you are buying

Uninsured motorist coverage, or UM, generally applies when an uninsured driver is responsible for a covered accident. Underinsured motorist coverage, or UIM, addresses an at-fault driver whose insurance is insufficient. They may be combined or sold separately, and injury protection is distinct from vehicle-damage protection:

• UM/UIM bodily injury: May cover medical bills and, depending on the policy and state, lost wages and other injury damages.
• UM/UIM property damage: May cover damage to your vehicle or other covered property. Availability, limits and deductibles vary.

Bodily-injury coverage generally has no deductible, while property-damage coverage may have one. Check each line on your quote rather than treating “uninsured motorist” as one all-purpose benefit. Progressive’s coverage explanation describes these distinctions and differing state requirements.

Your own liability insurance serves a different purpose: it pays for injuries or damage you cause to others. It is not a substitute for protecting yourself against an uninsured driver.

Do health insurance and collision make it unnecessary?

Health insurance can reduce the medical-bill gap, but not necessarily the whole injury gap. Check your health plan’s accident coverage, deductible and cost sharing. Health insurance does not replace your paycheck; UM/UIM may cover lost wages and other damages, subject to its terms. Passengers may also have different health coverage from yours. Progressive explains these potential overlaps and gaps.

Also review any medical payments or personal injury protection (PIP) coverage you already carry. PIP can include lost wages as well as medical expenses, as the Texas Department of Insurance explains. Ask how these benefits and health insurance coordinate with UM/UIM; overlapping coverage does not necessarily mean duplicate payment for the same expense.

Collision can make property-damage UM less important, but it does not cover your injuries. Collision generally repairs or replaces your car after a covered crash regardless of fault, minus its deductible. UM property-damage coverage can overlap with it, but may have a different deductible, lower limit or narrower trigger. The California Department of Insurance specifically notes that drivers with collision may not need separate UM property-damage coverage.

That means owning an inexpensive car is not, by itself, a strong reason to reject bodily-injury UM/UIM.

Example: a high limit still leaves a gap

Illustrative bodily-injury claim—not a payout promise: An uninsured driver is fully responsible for a crash. Your insurer accepts $140,000 in covered injury damages. Assume your UM bodily-injury coverage has:

• Limit: $100,000 per person/$300,000 per accident.
• Deductible: $0.
• Excluded expense under this coverage: Repairs to your car are not bodily-injury damages; those need separate applicable coverage.

For your injury claim, the insurer pays no more than $100,000, leaving $40,000 beyond this coverage. The $300,000 accident limit does not raise the $100,000 cap for one person. Multiple injured people also share the accident limit. Progressive illustrates how these split limits work.

This example assumes coverage and damages are established and no other payment reduces the benefit. For UIM, ask how the at-fault driver’s payment affects the amount available—do not assume your full UIM limit is added on top.

When keeping it deserves priority

Give UM/UIM bodily-injury coverage greater weight if:

• You could not comfortably fund medical cost sharing and a prolonged loss of earnings.
• Your household depends heavily on your paycheck.
• You regularly carry passengers whose medical protection may be limited.
• The quoted savings from declining it are small compared with the loss you would retain.

Declining optional coverage is more defensible when you have substantial resources to absorb the remaining risk and understand the overlap with your other insurance. That is a decision to retain the risk—not proof that the risk disappears.

Check these details before deciding

Request quotes with the same liability, collision and other coverage choices, changing only UM/UIM. Compare the added cost over the same policy term. Matching bodily-injury UM/UIM to your liability limits is a useful starting quote, not proof that those limits are sufficient.

Ask the insurer to confirm:

1. Separate limits and deductibles for injury and property damage. See how insurance deductibles work if you need help comparing out-of-pocket amounts.
2. Hit-and-run requirements. California UM property-damage coverage requires the uninsured driver to be identified and has a $3,500 limit, according to its consumer guide checked in October 2026. Do not assume it covers damage from an unidentified driver. California’s consumer guide explains the restriction.
3. Who and which uses are covered, including household members, borrowed vehicles and delivery or rideshare work.
4. UIM payment rules, including reductions for other payments and whether multiple vehicle limits can be combined.
5. Any rejection form. Texas, for example, requires insurers to offer UM/UIM and requires rejection in writing. Texas’s auto insurance guide explains that rule.

The practical question is not just “Do I already have insurance?” It is “What injury and income losses would still be mine if the driver responsible cannot pay?” Use that gap—and the actual quoted premium—to decide.