New Mexico Uninsured Motorist Coverage: What It Is and Why It Matters

New Mexico has one of the highest rates of uninsured drivers in the country. If one of them hits you, your only path to compensation is often your own UM/UIM coverage. Here's what New Mexico law requires and why it's worth more than most people realize.

1. UM/UIM must be offered, not required

Under NMSA §66-5-301, every auto insurer in New Mexico must offer uninsured/underinsured motorist coverage equal to your liability limits. You can reject it in writing, but if you don't, you have it.

2. It pays when the at-fault driver can't

If the other driver has no insurance, hit-and-runs you, or has lower limits than your damages, UM/UIM steps in to cover medical bills, lost wages, and pain and suffering up to your policy limit.

3. Stacking is allowed in New Mexico

If you have multiple vehicles on a policy or multiple policies in the household, NM courts have generally allowed "stacking" — adding the limits together — for UM/UIM. This can dramatically increase what's available.

4. You usually have to fight your own carrier

UM/UIM claims look like first-party insurance claims, but functionally you're suing your own insurance company for the value of the case. Adjusters defend them aggressively.

5. Statute of limitations is shorter than you'd think

While the underlying tort claim has a 3-year limit, UM/UIM contract claims can have shorter notice and suit windows depending on policy language. Don't let either deadline slip.

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NotALawyer.com provides general legal information, not legal advice.