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Amendments, Cancellations & Extensions - Sixt FAQs
If you're looking to cancel, change or extend your rental agreement with Sixt, we make it quick and simple for you. Below you can find a list of our most frequently asked questions regarding rental agreement amendments. If we were unable to answer your question, feel free to contact our friendly customer service team here who will be more than happy to help.
Click to jump to our most frequently asked questions:
1. I have rented a car with Sixt, can I extend the Rental Agreement by phone?
- For rentals by credit card, extension requests by phone are possible up to a maximum of 5 days, depending on the increase in cost.
- Debit Card rentals may not be extended by telephone, these must be done in person at a Sixt branch.
2. What is the charge to cancel a reservation?
If you have made a prepaid reservation you will be charged a cancellation fee. The cancellation fee will be up to the first 3 days of the rental rate. If the rental is less than 3 days, it will be the full rental.
Pay on arrival cancellations may be made free of charge.
3. How much notice must I give to cancel a reservation?
Cancellations can be made at any point prior to the start of the rental. Please note if a prepaid reservation is not cancelled prior to the start time and then not collected, the rental amount will still be charged to the customer in full.
4. How do I amend or cancel a reservation?
Cancellations or amendments can be made via ‘My Sixt' or contacting our Customer Services team on +44(0) 8444 99 33 99.
5. What is the charge to amend a reservation?
- Amendments can be made to prepaid reservations at a fee of £20.40 per amendment, however, if the rental cost increases as result of the amendment, we do not charge the amendment fee.
- Amendments to flexible bookings can be made at any point free of charge.
Please note all amendments are subject to availability and current pricing.
6. How much notice must I give to amend a reservation?
- Prepaid amendments must be made at least 48 hours prior to the start of rental.
- Amendments to flexible bookings can be made at any point prior to the start.
Please note all amendments are subject to availability and current pricing.
Please note: The FAQs within this section refer only to England, Wales and Scotland. For rental FAQs within Northern Ireland or any other country outside of the UK, please refer to the rental information page and select your destination country within the drop-down menu.
Breakdown Assistance: Telephone Number: +44 (0) 344 4 993399
Please note there will be no service charge for calling this number, only landline cost applies.
