Fuel charged twice on a car rental
Fuel rarely appears as the main reason someone complains. It comes second, in a file opened for something else, and it is usually dropped along the way. That is a mistake: it is often the clearest item of the lot, and the one the company argues about the least once the gauge readings are produced.
Can a company charge me for fuel twice?
No, and this is the line most people leave on the table. If a fixed fuel amount was taken at the desk and you also returned the car with fuel in the tank, that is two payments for the same litres. It is recoverable on its own, separately from any other argument in your file, and it is one of the easiest points to prove because it rests on two figures: the gauge reading at pickup and the gauge reading at return.
Why this charge can be contested
Three arguments, to be set out in this order in your complaint. They are the ones the portal writes for you in your letters.
The same litres cannot be paid for twice
A fuel deposit taken at the counter covers the fuel used. If the vehicle comes back with fuel in it, the deposit must be adjusted to what was actually consumed, not kept in full.
A refuelling fee has to correspond to a real service
A service charge for refuelling can only be applied if refuelling was actually necessary. On a full tank returned full, there is nothing to refuel.
The gauge readings settle it
Pickup reading and return reading are recorded by the company itself, on its own documents. Ask for both. The argument then rests on the company's own figures, which is the strongest position you can be in.
What to gather, and nothing else
A slightly smaller file that cannot be attacked always beats a padded one. Only claim what is genuinely contestable.
- The rental agreement showing the fuel policy and any deposit taken.
- The fuel gauge reading at pickup and at return, on the company's own documents.
- A photograph of the dashboard at return, showing the gauge and the odometer.
- The receipt from the last refuelling before return, with its date, time and location.
- The final invoice, itemised.
What the company answers, and what to answer back
Customer service replies are standardised. So are the counter arguments.
Five free levers, to run in parallel
Five free routes, to run in parallel
- Written complaint to the rental company, dated facts, the exact amount, a fourteen day deadline. Every other procedure requires it first. Guide
- The official route of the country where you rented: complaints register in Portugal, hoja de reclamaciones and consumer arbitration in Spain, chamber of commerce conciliation in Italy, consumer ombudsman in Greece, SignalConso in France, FPS Economy and Belmed in Belgium. The portal picks the right one from the country saved in your file. Guide
- European Consumer Centre, of your country of residence, free of charge, which takes the matter up with its counterpart in the company's country. Competent as soon as the trader is established in a country other than yours. Guide
- Card dispute, for a service not provided and charges you never agreed to, to be opened within 60 to 120 days of the debit, the deadline that expires first. It goes through your bank's secure messaging or its formal complaints form, not through a plain email. If the bank refuses, insist on a written and reasoned refusal: that document is what opens the financial ombudsman, free of charge. Guide
- Legal expenses cover, often already included in a car or household insurance policy: the insurer instructs a lawyer at its own expense. Guide
These five levers are independent of one another: only one of them has to give way. None of them costs money.
Your letters, already written, in ten minutes
You describe what happened, you confirm your email address, you upload your documents. The portal writes every letter in your name, adapted to your rental company, to the country where you rented and to your type of dispute, and sends them back as a PDF. No blanks to fill in, no commission, no mandate: you send them yourself, from your own mailbox.
What we get asked most often
The amount is small, is it worth it?
It costs you one paragraph in a letter you are already sending. And a company that has to justify one line often reopens the whole invoice.
I did not photograph the gauge. Am I stuck?
No. Ask for the readings recorded by the company at pickup and at return: it holds them, and it is required to produce them if it is relying on them to charge you.
Can I contest fuel alone?
Yes. It is a self contained argument and it does not depend on the rest of your file. Add it to your written complaint as a separate item, with its own figure.
The other disputes: charged after returning the car, deposit not refunded, damage charged with no inspection report, insurance forced at the counter.