What Uninsured Motorist Coverage Actually Protects
Uninsured motorist coverage pays for injuries and vehicle damage when another driver hits you and either carries no insurance or flees the scene. Louisiana does not require UM coverage, but 11.7% of Louisiana drivers are uninsured. When you insure multiple vehicles on one policy, UM coverage applies to every household member listed on that policy, regardless of which vehicle was involved in the collision.
The coverage follows the policy, not the individual car. If your teenager is driving the second car and is hit by an uninsured driver, the UM coverage on your household policy pays for their injuries and repairs up to the policy limit. If you are a passenger in a friend's car and that friend is hit by an uninsured driver, your own UM coverage can step in as secondary protection after the friend's coverage is exhausted.
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Get Your Free QuoteLouisiana Uninsured Drivers
11.7%
More than one in nine Louisiana drivers carries no insurance. When an uninsured driver causes a collision, your liability coverage does not help you — only uninsured motorist coverage or your own collision coverage pays for your damage.
Insurance Information Institute, 2023
How UM Coverage Works Across Multiple Vehicles
Louisiana UM coverage comes in two forms: uninsured motorist bodily injury (UMBI) and uninsured motorist property damage (UMPD). UMBI pays medical bills, lost wages, and pain-and-suffering damages when an uninsured driver injures you or a household member. UMPD pays for vehicle repairs when an uninsured driver damages your car. Both coverages apply per accident, not per vehicle.
When you carry UM coverage on a multi-vehicle policy, the policy limit is the maximum the insurer pays for any one accident, regardless of how many household vehicles or drivers are involved. The limit does not multiply by the number of cars on your policy.
UMPD typically carries a separate per-accident limit and a deductible. If an uninsured driver totals one of your household vehicles, UMPD pays the actual cash value of that vehicle minus the deductible, up to the UMPD limit. Collision coverage is an alternative — it pays for the same damage but applies regardless of fault and regardless of whether the other driver is insured. Many households with multiple vehicles carry collision on newer cars and UMPD on older ones to avoid paying collision premiums on vehicles worth less than the annual premium.
Louisiana does not require UM coverage, but your insurer must offer it at limits equal to your liability limits unless you reject it in writing.
When UM Coverage Pays and When It Does Not
UMBI pays when an uninsured driver injures you, a household member, or a passenger in your vehicle. It also pays when a hit-and-run driver injures you and you cannot identify the driver. UMBI does not pay for vehicle damage — only bodily injury. It does not pay when you are at fault, when the other driver carries insurance, or when you are injured in a single-vehicle accident with no other party involved.
UMPD pays when an uninsured driver damages your vehicle. It does not pay for damage you cause to your own car, damage caused by weather or theft, or damage when the other driver carries insurance. If the other driver is insured but their property damage liability limit is too low to cover your repairs, underinsured motorist property damage (a separate coverage) may apply. UMPD and collision coverage overlap — both pay for damage an uninsured driver causes to your car. You do not need both, but collision applies more broadly because it pays regardless of fault.
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Stacking UM Coverage Across Multiple Vehicles
Louisiana allows UM stacking, which means you can combine the UM limits from multiple vehicles on your policy to increase the total coverage available after one accident. Without stacking, the limit remains $25,000 per person regardless of how many vehicles you insure.
Stacking increases your premium because the insurer's exposure increases. Not every carrier offers stacked UM coverage, and some offer it only on policies with two or more vehicles. When comparing carriers for a multi-vehicle household, ask whether stacked UM is available and how much the premium increases. Stacking makes the most sense when your household has multiple drivers and the risk of serious injury from an uninsured driver justifies the higher premium.
Rejecting stacking in writing reduces your premium but caps your UM coverage at the per-person and per-accident limits shown on your declarations page. If you reject stacking and later want to add it, you must contact your insurer mid-term or wait until renewal. The insurer will re-rate your policy based on the new stacked limits.
Louisiana Minimum Liability Limits
$15,000 / $30,000 / $25,000
Louisiana requires $15,000 per person and $30,000 per accident for bodily injury liability, plus $25,000 for property damage liability. UM coverage is typically offered at the same limits unless you select higher limits or reject UM entirely.
Louisiana Office of Motor Vehicles
Choosing UM Limits for a Multi-Vehicle Household
UM limits should match or exceed your liability limits. Selecting UM limits lower than your liability limits leaves your household underprotected relative to the risk you are willing to impose on others.
Households with multiple vehicles face higher exposure because more drivers and more trips increase the probability of a collision with an uninsured driver. If your household includes a teen driver or a driver with a long commute, the risk increases further. Stacked UM coverage or higher per-person limits reduce the chance that a serious injury exhausts your UM coverage and forces you to sue the uninsured driver personally, a process that rarely recovers meaningful compensation.
Compare Carriers That Write Multi-Vehicle UM Coverage
Not every carrier offers stacked UM coverage, and premium differences for UM coverage vary widely across carriers writing multi-vehicle policies in Louisiana. When comparing quotes, confirm whether the quote includes UM coverage at your selected limits, whether stacking is available, and whether the carrier writes UMPD or requires you to carry collision for uninsured-driver vehicle damage. Carriers writing Louisiana multi-vehicle policies include State Farm, Geico, Progressive, Allstate, Farmers, and USAA.
Compare at least three carriers. Request quotes with UM limits equal to your liability limits, then request a second quote with stacked UM if available. The premium difference tells you whether stacking is worth the additional protection for your household. If you plan to reject UM coverage, Louisiana law requires you to reject it in writing — verbal rejection is not sufficient.