Prior to taking out your residency, you may import your RHD or LHD car/s at a reduced rate, tax wise. After residency it costs a little more.
The price of importing your vehicle whether its a car, caravan or commercial vehicle, is according to its; 1 age, 2 CC, 3 Modification, 4 weight if commercial, 5 L or RHD. Commercial vehicles over 10 years are difficult and expensive to import, usually outweighing the price/to taxes paid. From 1st June it is probable that it will be banned from importing them.
Below is just a rough estimate of a 10 year old camper van imported by a resident. It is classed as a commercial vehicle, therefore more expensive to import.
F Tecnico 140.00€
Import Circusa 100.00€
Plates average 20 –46€
Gestoria Fee average 200.00€
With the change of the law on June 1st regarding English plated cars, i.e. Non residents with UK driving licences driving UK cars who have been in Spain for over the one year (which is the permitted time) being fined. It is advisable to import your car before 1st June