113 years of SIXT. 113 years of tradition.

How do I add extras to my SIXT booking?

Prices, fees and protections

You can add extras to any SIXT booking online under My Bookings — or at the branch when you pick up your rental car.

Extras you can add online

  • Additional driver (flat daily fee)

  • Child seat, toddler seat or booster seat

  • GPS

  • Unlimited mileage upgrade

  • Refuelling/recharging service (return the vehicle with an empty tank)

  • Protection package upgrades to reduce your deductible

  • Cross-Border Travel Fee: in the UK, the Island Hopper option covers travel to Ireland. For travel to mainland Europe, please contact us, as additional fees may apply

  • Winter tyres (seasonal and only in select countries)

  • Snow chains (seasonal and only in select countries)

  • Ski racks (seasonal and only in select countries)

How to add extras

  1. Sign in on the SIXT website or open the SIXT app

  2. Go to My Bookings

  3. Scroll to Add-ons and select what you need

  4. Confirm — your updated booking confirmation will be sent by email

What extras cost

Extras are charged per rental day on top of your base rate, and most have a daily cap — the exact amount is displayed before you confirm.

Still need help? Find our contact options below.

Still need help?
Contact our support team.