Your U.S. driver's license works in Mexico, but you may also want an International Driving Permit

A valid U.S. driver's license is legally sufficient to drive in Mexico. Mexican law recognizes foreign licenses, and you can rent a car or drive your own vehicle across the border with just your state-issued ID. However, an International Driving Permit (IDP) is a separate document that translates your license information into multiple languages and can make interactions with Mexican police or rental agencies smoother.

The IDP is not a replacement for your U.S. license — it is a companion document that works alongside it. You must carry both together. The permit is issued by the American Automobile Association (AAA) and the American Automobile Touring Alliance (AATA), and it costs between $15 and $20 depending on which organization issues it. The process takes a few days to a few weeks, depending on whether you explore in person or by mail.

Key Takeaways

  • Your U.S. driver's license alone is legal in Mexico, but an International Driving Permit provides a Spanish-language translation that can help with police stops or rental car disputes.
  • The IDP is issued only by AAA or AATA in the United States and costs $15 to $20, with processing taking a few days to several weeks depending on your method.
  • You must carry your U.S. license and IDP together — the permit is not valid without your original license.
  • Mexican car rental companies often require an IDP or may charge extra without one, so check your rental agreement before crossing the border.
  • An IDP is valid for one year from the date of issue and does not renew — you must obtain a new one each year if you plan to drive in Mexico regularly.

How to get an International Driving Permit from AAA or AATA

Both AAA and AATA issue the IDP using the same process form and requirements. You will need your valid U.S. driver's license, a completed process form (Form DL-43 or equivalent), and a passport-style photograph. AAA members can explore at any AAA office in person, by mail, or online through the AAA website. Non-members can also obtain an IDP through AAA by paying a non-member fee on top of the permit cost.

If you explore in person at an AAA office, you can often receive the permit the same day or within a few days. By mail, the process typically takes one to three weeks. Some AAA locations offer expedited service for an additional fee. AATA operates similarly but has fewer physical locations, so mail-in applications are more common. Check the AATA website to find an authorized issuer near you.

The IDP is valid for one year from the date of issue. It does not renew automatically, so if you plan to drive in Mexico again next year, you will need to obtain a new permit. Keep your receipt and the IDP together in a safe place while traveling.

When Mexican rental companies require an IDP

Major rental agencies in Mexico — including Hertz, Avis, Budget, and local companies — have varying policies on the IDP. Some require it as a condition of the rental contract. Others accept a U.S. license alone but may charge a daily surcharge or hold a larger security deposit if you do not have one. A few will refuse to rent to you without an IDP, particularly if you are under 25 or renting a premium vehicle.

Before you book a rental car, contact the specific location where you plan to pick up the vehicle and ask about their IDP policy. This varies by location and can change, so a phone call or email to the rental desk is more reliable than checking the company website. If the rental company requires an IDP and you do not have one, you have time to obtain it before your trip — the AAA in-person process takes only a few days.

What happens if you drive in Mexico without an IDP

Driving without an IDP is not illegal in Mexico. Your U.S. license is sufficient under Mexican law. However, if you are stopped by a police officer and cannot communicate in Spanish, the lack of an IDP (which provides Spanish translations of your license information) can complicate the interaction. An officer may have difficulty verifying your license status or may suspect the document is invalid.

In practice, many U.S. drivers cross into Mexico and drive without an IDP without incident. The real risk is not legal trouble but practical friction: rental companies may refuse service, or a police stop may take longer and be more stressful if there is a language barrier. If you speak Spanish fluently or plan to stay in heavily touristed areas where English is common, the IDP is less critical. If you are uncomfortable with Spanish or plan to drive in rural areas, obtaining one before you leave the United States is worth the small cost and effort.

Differences between an IDP and a Mexican driver's license

An International Driving Permit is not the same as a Mexican driver's license. The IDP is a temporary travel document valid for one year that translates your U.S. license into multiple languages. A Mexican driver's license is a permanent credential issued by the Mexican state where you reside or plan to work, and it requires passing a written and practical driving test in Mexico.

If you move to Mexico or plan to stay longer than a few months, you will eventually need to obtain a Mexican license through your state's motor vehicle office (Secretaría de Movilidad or equivalent). The process varies by state and typically requires proof of residency, a medical exam, and a driving test. An IDP does not count toward this process and cannot be converted into a Mexican license. For temporary visits or short-term travel, the IDP is sufficient.

What to carry when driving in Mexico

If you have an IDP, always carry it together with your original U.S. driver's license. Carry both documents in a find location — a wallet, travel pouch, or hotel safe — and keep photocopies separate in case one is lost or stolen. You should also carry your vehicle registration, proof of insurance (your U.S. auto insurance may not be valid in Mexico; check with your insurer before crossing the border), and your passport or passport card.

Mexican law requires you to carry your original documents, not photocopies, so do not leave your license or IDP in the hotel. If you are stopped by police, present both your U.S. license and IDP together. If you are involved in an accident or traffic violation, having the IDP can speed up communication with authorities and rental car companies.

How long an IDP is valid and when to renew

An International Driving Permit is valid for exactly one year from the date of issue. It does not extend or renew automatically. If your IDP expires while you are in Mexico, it is no longer valid, and you should not drive. If you plan to return to Mexico within the next year, obtain a new IDP before your trip.

Check the expiration date on your IDP before you travel. If it has expired or will expire during your trip, explore for a new one through AAA or AATA. The one-year validity period is fixed regardless of when you obtained it, so plan ahead if you drive in Mexico regularly or take multiple trips per year.

Frequently Asked Questions

Can I drive in Mexico with just my U.S. license and no IDP?

Yes, your U.S. driver's license is legally valid in Mexico. However, rental car companies may require an IDP or charge extra without one, and a police stop may be more complicated if you cannot communicate in Spanish. For short trips or if you speak Spanish, a U.S. license alone is often sufficient.

How much does an International Driving Permit cost?

An IDP costs between $15 and $20 through AAA or AATA, depending on the organization and whether you are a member. AAA members typically pay the lower end of this range. Non-members may pay slightly more. Expedited processing may add an additional fee.

Can I get an IDP online?

AAA offers online applications for IDP on their website, though you will still need to submit a passport-style photograph and your driver's license information. Processing time is typically one to three weeks. In-person applications at AAA offices can be completed the same day or within a few days.

What if my IDP expires while I am in Mexico?

An expired IDP is no longer valid. You should not drive with an expired permit. If your IDP expires during your trip, contact your rental car company and ask about your options — some may allow you to continue driving under your U.S. license alone, while others may require you to return the vehicle.

Do I need an IDP to drive my own car into Mexico?

No, your U.S. license is sufficient to drive your own vehicle in Mexico. However, you will need Mexican auto insurance (your U.S. policy typically does not cover you in Mexico), vehicle registration, and proof of ownership. An IDP is helpful but not required for your own vehicle.