IUC
Published 5 November 2026, 22:39
Imposto Único de Circulação
The annual tax on a car in Portugal. It is one of the costs of owning a car to factor in, especially when buying a used car or bringing one in from another country.
Where you come across it. When buying and owning a car, in your tax account and in discussions of car running costs.
Often confused with ISV: IUC is paid regularly for owning the car, while ISV is linked to first registration or importing the car.
Official website: portaldasfinancas.gov.pt
Guides
The IUC car tax: how much, when and how to pay State money for an electric car: €4,000, your old car scrapped and a charger in your condominium Which car to buy in Portugal How to buy a car in Portugal Can't pay your IRS in one go: how to set up an instalment plan How to bring your own car to Portugal Inheritance in Portugal: what to do when someone close to you dies Car inspection in Portugal: when to go, what to bring and what to do if your car fails