Short answer: For a rental collected in Mexico and driven into United States, 2 currently reviewed company policies provide a route-specific decision. Enterprise, National publish a conditional route policy rather than automatic permission. Policies from other brands are not inferred from competitors.
A border crossing is not authorized simply because the countries are neighbors. The rental agreement’s territorial limits, your collection branch, your vehicle’s official category, and any required insurance/permission documents control the result. This page is for a rental picked up in Mexico; the reverse journey may be treated differently.
Open interactive comparison for Mexico → United States ↗
Company-by-company border policy comparison
The table reports only official statements located for this pickup market. A conditional status never means the company has approved your individual rental.
| Rental company | Border status | Published cross-border cost | Evidence |
|---|---|---|---|
| Enterprise | Conditional — obtain authorization | $70 | Provider terms ↗ |
| National | Conditional — obtain authorization | $70 | Provider terms ↗ |
What the original rental-company terms say
Enterprise: ask for approval before travel
US crossing available only for rentals originating in Tijuana, Mexicali, Hermosillo, Monterrey or Saltillo.
Listed fee: $70. Paperwork: Purchase USD 10/day liability extension and obtain branch authorization. Vehicle limits: Confirm vehicle eligibility with exact originating branch.
Important exception: Not a blanket nationwide Mexico-to-US permission; southern Mexico border prohibited.
Read Enterprise’s original policy (Enterprise Mexico · Cross Border Policy) ↗
National: ask for approval before travel
Only rentals from five listed Mexican cities may enter the United States; liability extension compulsory.
Listed fee: $70. Paperwork: Mandatory additional liability protection plus branch permission. Vehicle limits: Confirm vehicle eligibility with pickup office.
Important exception: Mexico southern borders are forbidden for this rental policy.
Read National’s original policy (National Mexico · Tijuana · Cross Border Policy) ↗
Which paperwork should you request?
- Tell the rental company your exact destination (United States), any transit countries, and where you will return the vehicle.
- Ask for written authorization covering the specific car group and all border crossings.
- Confirm valid third-party motor insurance, any Green Card or equivalent proof, and the vehicle registration documents that must be carried.
- Get the cross-border surcharge as a written quote, including VAT, mandatory coverage, any per-country or per-border calculation, and one-way return fees if relevant.
- Check immigration requirements, border operating hours, road taxes, permits, tolls and vignettes separately; a rental company’s permission does not replace immigration permission.
What happens if you cross without approval?
Several rental companies state that an unauthorized border crossing breaches the contract or invalidates contractual protections. This may expose the renter to penalties and recovery costs. Always obtain direct provider approval rather than interpreting a website’s “conditional” result as permission to drive.
Questions about Mexico → United States
Does a rental-company fee guarantee entry into United States?
No. A listed charge is not a permit or an insurance guarantee. A rental company may need to approve the actual car, route, renter and destination before departure.
Does the same policy apply from United States back to Mexico?
Not necessarily. Cross-border rules are set at the country where the vehicle is collected; the reverse direction may have a different rental operator and policy. Start a new comparison for the reverse trip.
When was this route researched?
These official sources were reviewed on 2026-10-30. The publication date of a provider’s own terms may be older. Restrictions can change without notice; the signed rental agreement and written branch authorization take precedence.