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Station closed on the date selected.
Station unavaiable for new reservations.

Guerin® Blog

Rental Guide

Rent a car without a credit card? Find out if it’s possible.

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Renting a car without a credit card is one of the most common questions for anyone who needs mobility, whether for travel, work or an unexpected situation. The answer is not a simple "yes” or "no”. It all depends on the rental conditions. In some cases, it is possible to proceed with a reservation without using a credit card for payment. Before arriving at the rental station to pick up the car, there are important rules you should be aware of.

Understanding how the process of renting a car without a credit card works helps avoid surprises, delays, and frustration at the time of vehicle pick-up, making the entire experience much simpler. That’s exactly what we explain next.

Why is a credit card usually required to rent a car?

In most car rentals, a credit card is used to block the security deposit. This deposit works as a temporary guarantee to cover potential costs such as vehicle damage, unpaid tolls, traffic fines or breaches of contract. The amount is not charged, only pre-authorised, and it is released after the car is returned, provided everything is in order. This is why credit cards are still the most common method for deposits: they allow a fast, secure and immediate guarantee.

Payment and deposit: what changes if you don’t have a credit card?

When looking to rent a car without a credit card, it is essential to distinguish between two things: the payment method for the rental itself and the method required for the deposit. At Guerin, rental payments can be made using debit cards, MB Way or credit cards, as long as the card is valid for at least 30 days after the end of the reservation and has sufficient funds.


Driver sitting behind the wheel of a rental car during the vehicle pick-up process.

However, for the security deposit, fuel deposit or excess liability, a physical credit card in the name of the main driver is always required. This means that even if you book the rental without a credit card, you will still need one to cover the deposit. All this information is clearly outlined in Guerin’s rental conditions, so you know exactly how to proceed before making your booking.

Can you pay with foreign cards, Revolut and other digital bank accounts?

When you want to rent a car without a credit card, questions about alternative payment methods are common. Foreign cards are generally accepted, as long as they meet the rental requirements and are valid for the type of transaction involved. Digital banking solutions such as Revolut or N26 can also be used to pay for the rental, provided they function as a debit or credit card and are accepted under the rental terms. This allows many travellers to complete their booking without using a traditional credit card for payment.

That said, it’s essential to understand that payment and deposit are two separate steps in the rental process. Even if you use a foreign card or a digital bank account to pay for the rental, the deposit requirements still apply.

Specific conditions at Guerin.

If you don’t have a physical credit card, it is possible to pay for the rental using a virtual or digital card, as well as foreign cards or digital banking solutions such as Revolut or N26.
  • However, proof of payment is required. This can be done in one of the following ways:
  • Opening the banking app on your mobile phone and showing the completed transaction.
  • Presenting a bank statement or official transaction receipt that clearly confirms the payment.
It’s important to note that for the deposit / credit authorization, a physical credit card is always required. This card must be valid for at least 30 days after the expected end of the rental contract and must be issued in the name of the main driver. If you are not able to present a valid physical credit card for the deposit, the rental cannot be completed.

What do you need to rent a car? Step by step.

Regardless of the payment method, there are standard procedures that apply to any car rental. Here’s what you need to know.

Required documentation.

To rent a car, you will need:
  • A valid identification document (ID card or passport).
  • A valid driving licence.
  • An accepted payment method.
  • A reservation confirmation.
At Guerin, the driving licence must have been issued at least two years prior. Licences issued in the European Union (EU), European Economic Area and countries with international driving agreements are accepted.

Age requirements.

The minimum age to rent a car is generally 21 years old. This may vary depending on:
  • The vehicle category.
  • Driving experience.
  • Specific rental conditions.
Some vehicles may have additional restrictions for younger drivers, so it is always best to confirm this in advance.

Security deposit.

The deposit is blocked at vehicle pick-up and remains in place throughout the rental period, acting as a guarantee until the car is returned.

If you are planning to rent a car without a credit card, you should always check in advance:
  • Whether alternative solutions exist.
  • If the deposit amount changes.
  • If additional coverage is required to reduce risk.
Clarifying these points before travelling helps avoid delays or issues at pick-up.

Vehicle pick-up and return.

After confirming your reservation, the vehicle is collected at one of the Guerin stations, located at airports, city centres and other strategic points across Portugal. Before travelling, it’s a good idea to check the most convenient station and opening hours. At pick-up, documents are verified and the deposit is processed. The return must follow the agreed location, schedule and contract conditions, including vehicle condition and fuel policy.

To make the process faster and avoid questions at the counter, Guerin provides a practical guide explaining each step, from pick-up to return.

Customer receiving the keys to a rental car at the vehicle pick-up location.

Practical tips for renting a car without a credit card.


If you want to rent a car without a credit card, there are some good practices that help make the process simpler.
  • Check the rental conditions carefully before booking.
  • Confirm accepted payment methods and deposit requirements.
  • Avoid last-minute reservations to allow time to clarify doubts.
  • Consider additional coverage to reduce risks.
  • Bring all required documents to avoid delays.
To make the entire process simpler, Guerin relies on a 100% digital rental process, from booking to contract management. This allows customers to review the conditions and confirm all requirements in advance. Understanding the digital process ahead of time helps avoid surprises and saves time when picking up the vehicle, especially when there are questions about payments or deposits.

Extra peace of mind with Pack Premium Gold. 

For drivers looking to rent a car without a credit card, choosing the Pack Premium Gold adds extra comfort and protection throughout the rental period. This option helps reduce concerns related to deposits, excess liability, and unexpected situations, making the experience more relaxed from pick-up to return.

Guerin: car rental with no surprises.


At Guerin, renting a car is designed to be clear, safe, and hassle-free. All conditions related to payments, deposits, and requirements are available before booking, so every customer knows exactly what to expect at pick-up.

If you are wondering whether it’s possible to rent a car without a credit card, the best first step is to check the rental conditions, browse the FAQs, or contact the Guerin team directly to clarify your specific situation. You can also find out where to pick up your car in Portugal and explore the available fleet before you book.


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