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 in "My bookings" — or at the branch when you collect your hire car.

Extras you can add online

  • Additional driver (flat daily fee)

  • Child seat, toddler seat or booster seat

  • Sat-nav

  • Unlimited mileage upgrade

  • Refuelling/recharging service ("return the tank empty")

  • Protection upgrades to reduce your excess

  • Cross-Border Travel Fee (For UK, Island Hopper incl. Ireland only. For visiting the continent fees, please contact us)

  • Winter tyres (seasonal and in select countries)

  • Snow chains (seasonal and in select countries)

  • Ski racks (seasonal and in select countries)

Add extras in 4 steps

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

  2. Click on Bookings

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

  4. Confirm — we'll email your updated booking confirmation

What extras cost

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

Still need help? Find our contact options below.

Still need help?
Contact our support team.