Spain tourists renting cars this summer warned over deposits, damage and hidden fees

Holiday drivers in Spain face a busier summer car-hire season, with industry forecasts pointing to more rental vehicles but also strong tourist demand. Consumer bodies warn that deposits, insurance, fuel rules and damage checks can still turn a cheap airport booking into a costly argument after the trip.

Why Spain car hire needs extra checks this summer

Landing late at Málaga, Alicante, Palma, Madrid or Barcelona with luggage, tired children and an onward drive is exactly when travellers are least likely to read a rental contract properly. It is also the moment when the wrong card, an added insurance option or an unrecorded scratch can create the bill that appears after the holiday.

Spain’s car-hire sector is preparing for a busy summer. Spain’s national vehicle rental federation (FENEVAL) expects the rent-a-car channel to reach around 92,800 vehicle registrations between May and September 2026, a 5.5 per cent rise compared with the same period last year.

Spain also received 11.1 million international air passengers in May 2026, according to Turespaña, with the UK remaining the largest source market at around 2.7 million passengers that month.

These figures don’t mean bookings will become cheaper or more expensive, but they could turn into a pressure point at airport desks, especially around peak flight times. 

How cheap rental quotes can quickly become bigger bills 

Consumer authorities repeatedly warn that the price shown during booking is not always the full amount a driver ends up paying.

Spain’s Ministry of Consumer Affairs says the advertised rental price should include all compulsory charges that allow the driver to use the vehicle. It also advises consumers to check the payment method, security deposit, fuel policy, optional extras, insurance cover, exclusions and the amount of any excess before signing.

Some of the biggest problems that occur during the process of renting a car begin before the engine has even started. Ireland’s Competition and Consumer Protection Commission (CCPC), which looked at international car hire problems among Irish holidaymakers, found that almost one in three paid more than expected. Hidden toll charges and fuel charges were among the common reasons.

For families trying to keep a holiday budget under control, those extras can turn a low headline price into a much less comfortable final bill.

Why the card, insurance and excess checks matter before you drive off

One of the most common red flags is the card required for the security deposit. Many rental firms require a credit card in the main driver’s name, not just any bank card or another passenger’s card.

The CCPC found that three in four respondents had to provide a credit card for the security hold, while one in four had a credit card solely for renting cars. A failed card check can leave travellers facing a choice between buying extra cover at the desk, losing the booking or finding another vehicle at short notice.

Insurance is another area where customers can be confused in to spending more money. The basic rental price normally includes compulsory third-party liability cover, but that does not necessarily remove the renter’s financial responsibility for damage to the hired car. Optional excess reduction or damage waiver products may reduce that risk, but travellers should double-check what is already covered by the booking, a broker policy, a credit card or travel insurance before paying twice.

How damage, fuel and return rules can also trigger disputes

Spanish consumer organisation OCU raised concerns in July 2025 about alleged lack of transparency and unfair clauses at several major car-rental companies, including issues around premium insurance, fuel information, deposit refunds, airport surcharges and damage assessments.

Drivers are advised to analyse the vehicle, and any scratch, dent, cracked light, marked wheel, windscreen chip or interior damage should be written into the handover document before the car is driven away. Photos and a short video should show the whole vehicle, the fuel level, mileage, wheels, roof, bumpers and dashboard.

Fuel policy also deserves attention. Spain’s Ministry of Consumer Affairs recommends the full-to-full option where possible, meaning the vehicle is collected with a full tank and returned full. Other fuel arrangements should clearly explain how the fuel price and any service charge are calculated.

Return times also matter. A late return, a return to a different office or a car dropped off outside opening hours can add extra charges if those conditions are not checked in advance.

How drivers can leave the airport feeling fully covered and safe

Before a summer booking, travellers should compare the total cost, not only the daily rate. The important checks are: the deposit amount, accepted card type, insurance excess, fuel policy, mileage limits, second-driver charges, child-seat costs, roadside assistance and late-return rules.

British visitors with a UK photocard driving licence do not need an International Driving Permit to drive in Spain, according to UK Government guidance, but rental companies may still have their own document requirements. Drivers should check the booking terms and always carry their licence, passport or identity document, booking confirmation and payment card used for the reservation.

If a company later charges for damage, fuel or administration costs, the driver should ask for written evidence, photos, invoices and a clear explanation of how the amount was calculated. If the booking was made through an intermediary, the complaint may need to be made both to the rental company and the platform.

For cross-border disputes inside the European Union, the European Consumer Centre network can assist consumers dealing with a company based in another EU country.

Travellers planning on hiring a car abroad this summer should be aware that, before any keys are handed over, a few minutes checking the contract, card, cover, fuel and car bodywork can be worth far more than the cheapest price promised on the screen.