For light passenger cars (Table A). The ISV adds an engine-displacement component and a CO₂ (WLTP) component; diesels pay a surcharge and used cars get a reduction by time in use. 2026 tables (mainland Portugal).

Educational estimate, not tax or financial advice. Covers Table A (light passenger cars); it does not cover Table B (goods/mixed vehicles), motorcycles, motorhomes, the NEDC tables or personal exemptions (disability, large family, transfer of residence).