113 years of SIXT. 113 years of tradition.

How do I upgrade or change my SIXT vehicle group?

Change or modify a booking

Simply message us on WhatsApp or Live Chat with your booking reference. We'll check availability and adjust your booking for you. Alternatively, you can make a new booking online yourself or ask for an upgrade at the branch on pick-up.

Leave it to us – message us

  • Via WhatsApp or Live Chat with your booking reference

  • We'll check the desired category and availability for your rental period

  • You'll receive an updated offer – confirmation arrives by email straight away

Re-book online yourself

  • Cancel your existing booking in "My Bookings" – free up to pick-up on Flexi rates

  • Make a new booking with your preferred vehicle category on the website or in the SIXT app

Upgrade or downgrade at the branch

Ask at the SIXT counter on the day of pick-up for a different vehicle category – subject to availability.

Next step

Request a vehicle change – message us on WhatsApp or Live Chat.

Still need help? Find our contact options below – please have your booking number ready.

Still need help?
Contact our support team.