Portugal · credit limit & available balance · updated July 2026

Credit Card Limit Too Low for the Portugal Car Rental Deposit? What Happens and How to Fix It

A company accepting credit cards and your specific card having enough room left on it for the deposit are two different questions, and only the first one is answered by any rental company's published terms. Every company compared on this site — debit-friendly or not — takes a credit card for the €1,200–1,900 deposit range covered elsewhere on this site, but whether your card's available credit can absorb a hold that size on the day is a separate check made by your own card issuer, invisible to the rental company until the terminal returns a decline.

A pre-authorisation hold reduces available credit the same way a purchase would, for as long as it's held, even though it isn't a completed charge. That means flights, hotels, activity deposits or anything else already put on the same card before you reach the counter can eat into the same limit — so a card well within its printed ceiling on paper can still come up short by the time you're standing at the desk. This is a different mechanism from a debit card's daily authorisation cap, covered in a separate guide on this site: a credit card's ceiling is normally tied to its overall available limit rather than a daily cap, so the fix here is managing that limit, not raising a withdrawal cap.

Which companies actually work

Every company compared here accepts a credit card for the deposit, and five — Sixt (per its Portuguese terms), Cael, Guerin, Europcar and OK Mobility — require one exclusively, but none of their published terms say anything about how much available credit your specific card needs left on it; that check belongs to your own card issuer.
A pre-authorisation hold blocks available credit like a purchase for as long as it's held, so trip spending already on the same card — flights, hotels, activity deposits — can leave less headroom than the card's printed limit suggests by the time you reach the counter.
This is a different problem from a debit card's daily authorisation cap (covered in a separate guide): a credit card's ceiling is normally tied to its overall available limit rather than a daily cap, so raising a daily limit with your bank won't help here.
At a debit-friendly company (Goldcar, Centauro, Record go), buying the deposit-waiver cover online — Super Relax or Smart Cover — drops the deposit to €0 and removes the available-credit question outright, whatever card you plan to present.
A second physical credit card in the main driver's name is worth bringing regardless of the limit question — it's also what the two-credit-card rule for premium, SUV and minivan groups at Goldcar and Centauro requires, covered in a separate guide.

Step by step

Before you fly, check your card's available credit — not just its printed limit — for the day of pickup, adding up any flights, hotels or other holds already placed on the same card.
If the available credit looks tight against the €1,200–1,900 range, ask your card issuer about a temporary limit increase ahead of the trip; most issuers can process this as a routine request, though it isn't guaranteed or instant.
Where you can, put other trip costs — flights, hotels, activities — on a different card than the one you plan to present at the rental counter, so the deposit hold isn't competing with your own spending for the same limit.
If you're booking with a debit-friendly company (Goldcar, Centauro or Record go) anyway, price the deposit-waiver cover online before you travel — it removes the hold regardless of your card's available credit.
Bring a second physical credit card in the main driver's name if you have one, as a fallback in case the first is declined at the counter for insufficient available credit rather than a rejected card type.

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Frequently asked questions

Does having an accepted credit card guarantee it can cover the Portugal car rental deposit?

No. Every company compared on this site accepts a credit card, but that only confirms the card type is allowed — it says nothing about whether your specific card has enough available credit left for a €1,200–1,900 hold on the day. That check is made by your own card issuer, separately from the rental company's terms.

Is a low credit limit the same problem as a debit card's daily limit?

No. A debit card's daily or per-transaction authorisation cap, covered in a separate guide, is a different mechanism from a credit card's overall available-credit ceiling. Raising a daily withdrawal limit with your bank doesn't address a credit card whose available room has simply been used up by other trip spending.

Will buying a deposit-waiver cover fix a credit card with too little available credit?

At a debit-friendly company that sells one — Super Relax at Goldcar or Smart Cover at Centauro — yes: it drops the deposit to €0 regardless of your card's available credit. Check whether the company you're booking with offers an equivalent package before assuming it applies elsewhere.

What if my available credit is still too low even after asking my issuer for an increase?

Bring a second physical credit card in the main driver's name as a fallback, or book with a debit-friendly company and buy the deposit-waiver cover online to remove the hold entirely. Don't assume a company can split the deposit across two cards on the day — that arrangement isn't published in any of the eight companies' terms, per a separate guide on this site.

Related guides

Disclaimer

Rental conditions change frequently and companies' own documents sometimes contradict each other (see the Goldcar Lisbon Airport discrepancy). Everything on this page reflects the official terms and conditions as verified in July 2026. Always verify directly with the rental company before booking. This is practical guidance, not legal advice.