The 40 abusive practices of car hire companies (and how to fight back against each one)

The consumer reference guide for renting a car in Spain: what each practice consists of, why it may be abusive, what rights you have, how to claim and which rules protect you. Free to cite with a link to the source.

Every summer, thousands of drivers discover charges on their card days after returning a hire car. Most never claim, because they don't know they can β€” or they assume the small print always wins. It doesn't: many of these practices clash with Spanish and EU consumer law, and claiming works more often than you'd think. This guide collects the 40 practices most reported by consumers, grouped into 8 blocks.

Note: this guide is general consumer information, not legal advice for a specific case. No specific company is being accused: it describes practices documented generically across the industry. For an individual case, contact the consumer authorities, a consumer association or a lawyer.

Block A β€” Damage and deposit

1. Charging for pre-existing damage

What it looks like: when you return the car they attribute to you a scratch or dent that was already there at pick-up, because the handover report didn't record it (or nobody checked the car with you).

Why it's abusive and your rights: you are only liable for damage caused during your rental. The burden of proving the damage is new falls on whoever claims it. An incomplete handover report cannot be used against you.

What to do: at pick-up, photograph and film the whole car (with the time visible) and insist that EVERY pre-existing mark is recorded in the contract before you drive off. If you're charged: claim in writing, attach your photos and demand the joint damage report.

Rules: arts. 1101 and 1183 Spanish Civil Code (proof of breach); art. 82 TRLGDCU, the Spanish General Consumer Law (clauses reversing the burden of proof against the consumer are abusive); Directive 93/13/EEC.

2. Damage charges with no evidence

What it looks like: a "damage" charge appears with no photos, no assessment and no repair invoice β€” often a round number from an internal price list.

Why it's abusive and your rights: you have the right to know and verify the justification for any charge: what damage, when it was recorded, with what evidence and what the repair actually cost.

What to do: demand in writing dated photos, a report and the real repair invoice. If no documented answer comes: official complaint form + chargeback through your bank.

Rules: arts. 60 and 65 TRLGDCU (information and justification); art. 217 Spanish Civil Procedure Act (burden of proof); RDL 19/2018 on payment services (unauthorised transactions).

3. Excessive card holds

What it looks like: blocks of 900 to 2,000 euros or more as a deposit, sometimes with no proportion to the excess or the real risk.

Why it's abusive and your rights: the hold must be proportionate and disclosed BEFORE you book, with its exact amount. A surprise deposit at the counter that wasn't in the offer contradicts the mandatory pre-contractual information.

What to do: compare offers that publish the deposit (or no-deposit offers) before booking. If they demand more than advertised, record your protest on the contract and claim in writing afterwards.

Rules: arts. 20 and 60 TRLGDCU (the total price and financial conditions must be disclosed before contracting); art. 85 TRLGDCU.

4. Unjustified delays returning the deposit

What it looks like: you return the car with no issues and the hold is still there weeks or months later.

Why it's abusive and your rights: with no charge to justify, there is no reason to hold your money. The release must happen within a reasonable period (the days your bank needs to process it, not months).

What to do: ask for a "returned without damage" receipt when you hand the car back. After 2 weeks, claim in writing and ask your bank about the pre-authorisation β€” the bank can release it if the company doesn't confirm it.

Rules: arts. 21 and 60 TRLGDCU; RDL 19/2018 (how pre-authorisations and payment transactions work).

5. Post-return charges without authorisation

What it looks like: days or weeks later a charge appears on your card (damage, cleaning, admin…) that nobody told you about or that you never authorised.

Why it's abusive and your rights: surprise charges without prior notice, an itemised breakdown and the chance to object violate your rights both as a consumer and as a payment services user.

What to do: demand the breakdown and evidence from the company; in parallel, dispute the charge with your bank (chargeback) with your documentation. Card issuers usually side with the customer when the company provides no proof.

Rules: RDL 19/2018, arts. 44-46 (unauthorised transactions: right to a refund); art. 82 TRLGDCU.

6. Charging for repairs that never happen

What it looks like: you're charged premium-workshop rates for a scratch… and the car goes back out unrepaired. The same mark can be charged to several successive customers.

Why it's abusive and your rights: compensation must correspond to a real loss. Charging without repairing (and repeatedly) can amount to unjust enrichment.

What to do: demand the invoice for the actual repair (not a standard estimate). If they can't produce it, claim a full refund.

Rules: arts. 1101 and 1902 Spanish Civil Code; unjust enrichment doctrine; art. 82 TRLGDCU.

7. Disproportionate charges for minimal damage

What it looks like: 350 euros for a scuffed wheel rim, 500 for a stone chip: internal price lists far above the real cost of repair.

Why it's abusive and your rights: clauses setting compensation disproportionate to the real damage are abusive and therefore void.

What to do: ask for the real invoice and compare it with independent workshop quotes; claim back the difference.

Rules: art. 85.6 TRLGDCU (disproportionately high compensation = abusive clause); Directive 93/13/EEC.

8. Refusing a joint inspection of the car

What it looks like: at return (especially out of hours or "key in the drop box") nobody checks the car with you, and days later the damage charge arrives.

Why it's abusive and your rights: without a joint inspection, the company reserves for itself the recording of damage β€” deliberately and seriously weakening your evidential position.

What to do: always ask for an inspection with an employee and the "no damage" return receipt. If impossible (drop box), film a complete video of the car with the time and place visible before leaving the key.

Rules: art. 82 TRLGDCU; art. 217 Civil Procedure Act. The absence of a joint report works against whoever claims the damage.

9. Charging for wear-and-tear breakdowns

What it looks like: you're billed for the clutch, the battery or a mechanical failure that belongs to vehicle maintenance, not to your use.

Why it's abusive and your rights: maintenance and ordinary wear are the owner's risk. You only answer for proven misuse.

What to do: never sign any admission of fault at the roadside. Demand a technical report proving misuse.

Rules: arts. 1554 and 1563 Spanish Civil Code (landlord's obligations; deterioration from ordinary use is not attributable to the hirer).

Block B β€” Insurance

10. Aggressive selling of extra insurance

What it looks like: at the counter, with the queue behind you and your keys held hostage, they insist again and again on the premium cover, sometimes duplicating what you already have.

Why it's abusive and your rights: harassment and pressure that limit your freedom of choice constitute an aggressive commercial practice, expressly prohibited.

What to do: bring a printout of your booking with the cover included and simply say "no thanks, my booking already includes cover". Don't sign anything you haven't read.

Rules: arts. 8 and 9 Spanish Law 3/1991 on Unfair Competition (aggressive practices); Directive 2005/29/EC.

11. Misleading information about needing extra insurance

What it looks like: they tell you the insurance in your booking "doesn't count", "covers nothing" or that the extra one "is mandatory" β€” none of it true.

Why it's abusive and your rights: inducing a purchase through false information is a misleading commercial practice, sanctionable, and a contract obtained that way can be challenged for vitiated consent.

What to do: ask them to put IN WRITING what your booking doesn't cover. That usually ends the conversation. If you bought under deception, claim a refund.

Rules: arts. 5 and 7 Law 3/1991 (deception and misleading omission); arts. 1265-1266 Civil Code (vitiated consent); Directive 2005/29/EC.

12. "Full cover" insurance with hidden exclusions

What it looks like: you pay for "full cover" and when you claim you discover that glass, tyres, underbody, roof, mirrors or the key were never covered.

Why it's abusive and your rights: calling cover with significant exclusions "full" is a misleading name. Limitations must be communicated clearly and prominently before purchase; small-print surprises don't bind you.

What to do: before paying, ask for the cover document and look for the exclusions list. When claiming, invoke the name of the product you were sold.

Rules: art. 3 Spanish Law 50/1980 on Insurance Contracts (limiting clauses must be highlighted and specifically accepted in writing); arts. 5 and 7 Law 3/1991.

13. Not disclosing cover and exclusions

What it looks like: nobody explains what each option actually covers; only what each one costs.

Why it's abusive and your rights: you have the right to complete, comprehensible pre-contractual information about what you're buying, exclusions included.

What to do: demand the cover documentation before signing; if refused, don't buy that extra and put your refusal on record.

Rules: art. 60 TRLGDCU; art. 96 Law 20/2015 (insurance information); Directive (EU) 2016/97 on insurance distribution.

Block C β€” Price and hidden charges

14. Advertising low prices that balloon with charges

What it looks like: the "5-euros-a-day car" that becomes 30 at checkout with "airport fees", "season supplement" or "admin".

Why it's abusive and your rights: the advertised price must be the TOTAL price, taxes and mandatory charges included. Advertising partial prices is a misleading practice.

What to do: compare only final prices. If the charge appeared after the offer, claim the difference with a screenshot of the ad.

Rules: art. 20.1.c TRLGDCU (full final price in the commercial offer); art. 5 Law 3/1991; Directive 2005/29/EC, Annex I.

15. Not honouring the advertised or booked price

What it looks like: you booked at one price and at the counter they charge another, or "that rate no longer exists".

Why it's abusive and your rights: offers and advertising are enforceable: the price confirmed in your booking binds the company as part of the contract.

What to do: bring the printed confirmation. If overcharged, pay under protest (recording it in writing) so you're not left without a car, and claim the difference afterwards.

Rules: art. 61 TRLGDCU (advertising is integrated into the contract); art. 1091 Civil Code.

16. Hidden fees and supplements

What it looks like: charges you only discover in the contract or on the invoice: "airport pick-up", "mandatory second driver", "night supplement" never mentioned at booking.

Why it's abusive and your rights: every additional payment requires your express consent BEFORE contracting; undisclosed supplements are not enforceable and are refundable.

What to do: review the breakdown before signing and strike out/refuse anything not agreed. Charged without consent = claim + chargeback.

Rules: arts. 60.2 and 97 TRLGDCU; art. 22 Directive 2011/83/EU (additional payments require express consent; pre-ticked boxes prohibited).

17. Disproportionate "admin" or "handling" fees

What it looks like: 40-60 euros of "handling" for processing anything: a fine, an invoice, a damage file.

Why it's abusive and your rights: admin fees must reflect a real, proportionate cost of the service provided; arbitrary amounts in standard clauses can be reviewed as abusive.

What to do: ask for the breakdown of the real cost of that admin task. Claim back the excess citing arts. 85 and 87 TRLGDCU.

Rules: arts. 85.6, 87.5 and 89.3 TRLGDCU; case law on fees without an effective service.

18. Demanding extra payments to hand over a car already paid for

What it looks like: you arrive with your prepaid booking and they won't give you the keys unless you pay again ("mandatory" insurance, "necessary" upgrade, unannounced deposit).

Why it's abusive and your rights: conditioning delivery of what you already contracted on unagreed payments is a breach of contract and can be an aggressive practice (exploiting your situation: you're at an airport with no alternative).

What to do: show your confirmation, record your protest in writing, pay only if you have no alternative (under protest) and claim the full extra back afterwards.

Rules: arts. 1091 and 1124 Civil Code; art. 8 Law 3/1991; art. 62 TRLGDCU.

Block D β€” Fuel and cleaning

19. Abusive fuel policy (full-to-empty)

What it looks like: they charge you upfront for a full tank at an inflated price and ask you to return the car empty β€” with no refund for unused fuel.

Why it's abusive and your rights: Spanish courts have found the full-to-empty clause without a refund of leftover fuel abusive, for creating imbalance and enrichment without cause.

What to do: always choose "full-to-full" rates. If full-to-empty was applied with no refund, claim the unused fuel back.

Rules: arts. 82 and 87 TRLGDCU; Provincial Court rulings declaring the no-refund "full-to-empty" clause abusive.

20. Disproportionate refuelling charges

What it looks like: you return the car slightly less than full and they charge 3-4 euros per litre plus a 25-50 euro "refuelling service charge".

Why it's abusive and your rights: the surcharge must be proportionate to the real cost (fuel + reasonable handling). Per-litre prices far above market rates and double penalties can be reviewed as abusive.

What to do: refuel near the office and keep the receipt with the time on it. If they charge you anyway, the receipt is your proof.

Rules: arts. 85.6 and 87 TRLGDCU.

21. Excessive or unjustified cleaning charges

What it looks like: 50-150 euros of "special cleaning" for sand in the mats or a dusty car β€” the normal state after a holiday rental.

Why it's abusive and your rights: ordinary cleaning between rentals is a cost of the company's business. Only extraordinary dirt (severe stains, odours, animals) can justify a charge, proven with photos.

What to do: photo of the interior at return. A charge without photos proving extraordinary dirt = claim and chargeback.

Rules: art. 82 TRLGDCU (significant imbalance); art. 217 Civil Procedure Act (proof falls on the claimant).

Block E β€” Contract and small print

22. Abusive clauses in the contract

What it looks like: the standard contract includes clauses making you liable for everything, allowing unilateral charges or waiving your rights.

Why it's abusive and your rights: non-negotiated clauses causing a significant imbalance in your obligations are VOID by law β€” even if you signed them. Signing does not validate the abusive.

What to do: don't be intimidated by "but you signed it": invoke nullity before the consumer authorities or the courts. Consumer associations know these clauses well.

Rules: arts. 82-91 TRLGDCU (list of abusive clauses); art. 8 Law 7/1998 on Standard Terms; Directive 93/13/EEC.

23. Important conditions buried in the small print

What it looks like: the excess, the exclusions or the surcharges sit on page 6 in tiny type, in another language, or behind a link nobody opens.

Why it's abusive and your rights: conditions must be transparent, legible and accessible BEFORE contracting. What fails the transparency test does not bind you.

What to do: always ask for the complete contract in your language and time to read it. Against a charge based on surprise small print, invoke the lack of transparency.

Rules: arts. 5 and 7 Law 7/1998 (illegible or surprising clauses are not incorporated); art. 80 TRLGDCU (precision, clarity, simplicity).

24. Undisclosed mileage charges

What it looks like: you discover at return that your rate had a mileage cap and every extra km is billed.

Why it's abusive and your rights: the mileage limit and the price of the excess are essential conditions that must be disclosed prominently at contracting, not afterwards.

What to do: verify "unlimited mileage" in the offer and keep it. A charge for an undisclosed cap = refundable.

Rules: art. 60 TRLGDCU; art. 7 Law 3/1991 (misleading omission).

25. Uncommunicated territorial or use restrictions

What it looks like: contractual penalties for crossing into Portugal/France, taking a ferry to the next island or leaving the region β€” restrictions nobody told you about.

Why it's abusive and your rights: like mileage: an essential restriction not disclosed before contracting cannot support a penalty.

What to do: if you plan to cross a border or take a ferry, ask in writing beforehand. Penalty for an uncommunicated restriction = claim.

Rules: art. 60 TRLGDCU; arts. 5 and 7 Law 7/1998.

26. Contracts drafted to confuse or mislead

What it looks like: jargon, double negatives, circular cross-references ("per clause 14.b of annex III") designed so you don't understand what you sign.

Why it's abusive and your rights: the law demands clarity and simplicity. Obscurity is ALWAYS interpreted in your favour and against whoever drafted the contract.

What to do: against a charge based on a confusing clause, invoke the 'contra proferentem' rule: ambiguity benefits the consumer.

Rules: art. 80.2 TRLGDCU (interpretation favourable to the consumer); art. 1288 Civil Code; art. 6.2 Law 7/1998.

27. Pressure to sign fast without time to read

What it looks like: "sign here, here and here, there's a queue" β€” on a tablet, without showing you the full document or giving you a copy.

Why it's abusive and your rights: you have the right to read before signing and to receive a copy of EVERYTHING you signed. Rushing you so you don't read is a textbook aggressive-practice technique.

What to do: take your time (the queue is not your problem) and ask for a copy. If you signed something different from what was explained, it can be challenged for vitiated consent.

Rules: art. 63 TRLGDCU (right to a copy); art. 8 Law 3/1991; arts. 1265-1266 Civil Code.

Block F β€” Pick-up and return

28. Delivering a different car from the one booked, with no reasonable alternative

What it looks like: you booked an automatic SUV and a manual compact "or similar" awaits β€” with no real option.

Why it's abusive and your rights: "or similar" means equivalent characteristics (size, seats, transmission), not any car. Receiving less than contracted is a breach: you're entitled to a real equivalent, a price reduction, or cancellation with a refund.

What to do: record on the contract that the vehicle doesn't match the booking and claim the category difference.

Rules: arts. 1091 and 1124 Civil Code; art. 61 TRLGDCU (the offer binds).

29. Forcing a downgrade (or charging for the car you booked)

What it looks like: the lucrative variant of the previous one: "we only have a smaller one left… or for 15 euros a day more I'll give you what you booked".

Why it's abusive and your rights: charging to deliver what you already contracted is demanding a double payment. If you get a lower category, you're owed the difference plus possible damages.

What to do: don't pay the "upgrade" to your own car; accept what's available under protest, document it, and claim the difference.

Rules: art. 1124 Civil Code; art. 8 Law 3/1991 (exploiting circumstances that limit freedom of choice).

30. Obstructing the return or refusing a return receipt

What it looks like: impossible hours, unstaffed office, "leave the key in the box" β€” and then nobody certifies when and how you returned the car.

Why it's abusive and your rights: you're entitled to a receipt for the return and the car's condition. Designing the process so no record exists deliberately deprives you of evidence.

What to do: demand the receipt; if no staff, full video (time and location visible) + immediate email to the company describing the handover.

Rules: art. 63 TRLGDCU (documentary proof); art. 82 TRLGDCU.

31. Aggressive or misleading practices at airports and branches

What it looks like: the full cocktail: travel fatigue + queue + pressure + false information, at the one point where you have no alternative.

Why it's abusive and your rights: the law expressly prohibits aggressive practices that exploit circumstances impairing your ability to decide β€” and an airport counter at midnight is the textbook example.

What to do: decide EVERYTHING before you travel (cover, extras) and at the counter stick to your script. Report these practices to the consumer authorities: they are sanctionable ex officio.

Rules: arts. 8-9 Law 3/1991; Directive 2005/29/EC; art. 47 TRLGDCU (sanctioning powers).

32. Disproportionate late-return penalties

What it looks like: for returning the car 40 minutes late you're charged a full extra day plus an additional "penalty".

Why it's abusive and your rights: charging proportionally for extra time is valid; penalties that multiply the real loss are abusive clauses.

What to do: call/email ahead if you'll be late (evidence of your diligence) and claim back the disproportionate part.

Rules: art. 85.6 TRLGDCU; art. 1154 Civil Code (judicial moderation of penalties).

33. Denying refunds or cancellations you're entitled to

What it looks like: your rate had "free cancellation" and they still won't refund, or offer "vouchers" instead.

Why it's abusive and your rights: the agreed cancellation conditions are the contract: if your rate was refundable, the refund must be in money and within a reasonable period. Vouchers only count if you accept them.

What to do: claim in writing with your confirmation; no answer in 30 days: consumer authorities + chargeback.

Rules: art. 1091 Civil Code; art. 21.3 TRLGDCU (response deadline); art. 76 TRLGDCU (refund of amounts).

Block G β€” Traffic fines and admin

34. No transparency on fines and admin charges

What it looks like: months after the trip, a charge for a fine you never saw plus 40-50 euros of "penalty handling", with no copy of the fine and no chance to appeal in time.

Why it's abusive and your rights: you're entitled to immediate identification of the penalty (so you can appeal or benefit from the early-payment discount) and the admin fee must be proportionate and disclosed in the contract.

What to do: demand a copy of the fine and its notification date. If the company's delay cost you the early-payment discount or the appeal, claim that loss from them.

Rules: art. 60 TRLGDCU; art. 85.6 TRLGDCU; Spanish Traffic Law (RDL 6/2015) on driver identification.

Block H β€” Customer service and obstacles to your rights

35. Non-existent customer service or eternal response times

What it looks like: premium-rate phones nobody answers, forms that vanish, months with no reply to your claim.

Why it's abusive and your rights: companies must answer claims as soon as possible and in any case within ONE MONTH. Silence opens the door straight to the consumer authorities.

What to do: claim through a channel that leaves a record (email, burofax) and note the date. One month with no answer: escalate without further waiting.

Rules: art. 21.3 TRLGDCU (one-month maximum); Law 7/2017 on alternative dispute resolution.

36. Obstructing the exercise of your rights

What it looks like: demanding absurd documents, "take it up with head office in another country", a different agent every time, or claiming "you booked through an intermediary, it's not with us".

Why it's abusive and your rights: burdensome or disproportionate obstacles to exercising your rights are expressly defined as an abusive, sanctionable practice.

What to do: don't enter the loop: one formal written claim, one month, then consumer authorities/arbitration. Keep every evasive reply as evidence.

Rules: art. 47.1.k TRLGDCU (obstructing rights = consumer infringement); art. 89.2 TRLGDCU.

37. Refusing to provide official complaint forms

What it looks like: you ask for the complaint form (hoja de reclamaciones) and: "we don't have any", "that's online", "the manager isn't in".

Why it's abusive and your rights: in Spain every establishment open to the public must keep official complaint forms and hand them over on the spot. Refusing is a sanctionable infringement in itself.

What to do: if they refuse, call the local police: they will come and record the refusal (and the form will miraculously appear). You can also file directly with the consumer office describing the refusal.

Rules: regional complaint-form regulations (e.g. Decree 82/2022 in Andalusia, Decree 121/2013 in Catalonia); art. 47 TRLGDCU.

38. Automatic card charges without express consent

What it looks like: the company keeps your card on file and charges whatever it decides, whenever it decides, without asking your authorisation for each new charge.

Why it's abusive and your rights: every payment transaction requires your consent. A charge you didn't authorise is an unauthorised transaction: your bank must refund it once you report it.

What to do: report the unauthorised transaction to your bank as soon as you see it (you have up to 13 months, but do it now) and claim from the company in parallel.

Rules: arts. 36, 43-46 RDL 19/2018 on payment services; Directive (EU) 2015/2366 (PSD2).

39. Refusing to hand over documentation or proof of charges

What it looks like: you ask for the invoice, the damage photos or the charge breakdown and they won't give them β€” "internal policy".

Why it's abusive and your rights: you're entitled to an invoice and to documentary justification of everything charged. The refusal strengthens your position: whoever cannot prove the charge cannot sustain it.

What to do: request everything in writing. The documented lack of response is your best evidence in the chargeback and before the consumer authorities.

Rules: art. 63 TRLGDCU; RD 1619/2012 (obligation to issue invoices); art. 217 Civil Procedure Act.

40. Holds and charges designed so claiming isn't worth it

What it looks like: the umbrella practice: charges of 60-200 euros β€” small enough that many don't claim, repeated enough to be a business.

Why it's abusive and your rights: volume doesn't take away your individual case β€” and collectively these patterns can be reported to the consumer authorities, who can sanction and prohibit the practice.

What to do: ALWAYS claim, however small: the chargeback is free, the complaint form is free, and up to 2,000 euros you can sue in Spain without a lawyer. And report the pattern to a consumer association (OCU, FACUA) β€” aggregated complaints drive sanctions.

Rules: art. 47 ff. TRLGDCU (sanctioning regime); collective actions (art. 53 ff. TRLGDCU); arts. 23 and 250 Civil Procedure Act (small claims without a lawyer up to 2,000 euros).

How to claim, step by step (the script that works)

The rules that protect you (quick table)

RuleWhat it gives you
RDL 1/2007 (TRLGDCU)Spain's general consumer law: pre-contractual information and total price (arts. 20, 60), advertising integrated into the contract (61), copies and receipts (63), abusive clauses void (82-91), response within 1 month (21), sanctioning regime (47)
Directive 93/13/EECThe EU foundation on unfair terms in consumer contracts
Law 3/1991 on Unfair Competition + Directive 2005/29/ECProhibit misleading (arts. 5, 7) and aggressive (8, 9) commercial practices: bait pricing, false information, counter pressure
Law 7/1998 on Standard TermsIllegible, obscure or surprising clauses are not incorporated into the contract; ambiguity is read in your favour
RDL 19/2018 (PSD2)Unauthorised card charges: right to a refund from your bank (the basis of the chargeback)
Law 50/1980 on Insurance ContractsClauses limiting cover must be highlighted and expressly accepted
Directive 2011/83/EUAdditional payments only with express consent; pre-ticked boxes banned
Spanish Civil Code (1091, 1124, 1154, 1288)Contracts bind; breach gives the right to cancel or enforce; penalties can be moderated; obscurity harms the drafter
Civil Procedure Act (arts. 23, 250)Up to 2,000 euros: sue without a lawyer
Regional regulationsOfficial complaint forms mandatory in every establishment
The golden rule that sums up all 40: everything important must be disclosed BEFORE you contract, every charge must be proven and justified AFTER, and no signature validates an abusive clause. Document, claim in writing and escalate: the system is more on your side than it looks.

The best claim is the one you never need to make

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