Car taxes in Portugal — ISV & IUC
A car in Portugal carries two taxes: ISV (one-off import/registration tax) and IUC (annual road tax). Calculate both, see exactly how they're computed — and check the code, because it's all open.
Tools
Why you can trust these numbers
- Open source (MIT). Not a black box — read how it's computed and verify it yourself.
- Official sources. Based on the Autoridade Tributária (AT) tables, cross-checked June 2026.
- No shortcuts. Includes the €500 particulate surcharge many simulators quietly skip.