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Changing a reservation

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) 207 0 188233. 


What is the charge to amend a reservation? 

SIXT offers you full flexibility so that you can stay mobile and make your travel plans with confidence. If your change leads to a price increase, only the difference in tariff will apply. No additional rebooking fee will be charged. If you booked with the "pay later" option, then you can change your reservation as any time with no additional cost. 

If you want to proceed with your changes, please locate the security code on your confirmation email and make your changes here

Note: For corporate customers with individual agreements alternative prices and regulations can apply. 


How much notice must I give to amend a reservation? 

  1. Prepaid amendments must be made at least 48 hours prior to the start of rental.
  2. 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. 

I have rented a car with SIXT, how can I extend the Rental Agreement? 

For 'Pay Later' type rentals, extension requests are possible up to a maximum of 5 days, depending on the increase in cost. Extensions for more than 3 days will need to be done in branch. 

Whereas 'Pay Now' type rentals, extension requests are possible up to a maximum of 3 days. Any longer will need to be done in the branch. 

You can easily extend your active rental agreement via our Help Centre. 


How can I change the return station during an active rental agreement? 

You can easily change the return station during your active rental here. 
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