How can I be sure I will not have any surprises with my rate at pick-up time?

Your InterRent booking confirmation contains all charges corresponding to your specific reservation.

If you have booked the Express Fuel rate (flex fuel for Portugal) you'll have to pay the cost of a tank of fuel for your vehicle at the counter + a service charge (Express Service Fee). You can check the rates online on the "Choose vehicle" page or in the Fuel Policy.

If you have booked the flex fuel rate for bookings made for Spain after the 16^th of August 2018 and vehicle collection date after the 16^th of November 2018, you’ll have to pay a fuel deposit for your vehicle at the counter and a service charge (Express service fee). You can check the rates online in the “Pick a vehicle” section or the fuel policy.