Car tax is not a single flat amount; it depends on where you live and on details of your specific vehicle (fuel type, age, CO₂ emissions, list price, etc.), so you need to look it up for your car rather than expect one universal figure.

Key point: it depends on your car

In countries like the UK , “car tax” (Vehicle Excise Duty/road tax) is based mainly on CO₂ emissions, fuel type (petrol/diesel/hybrid/electric), the car’s registration date, and sometimes its original list price.

EVs have often been exempt or cheaper, while high‑emission or high‑value cars usually pay more each year.

Typical ranges (UK-style systems)

  • Low‑emission or some hybrid cars: often around a relatively low annual charge after the first year. Exact figures are banded by CO₂.
  • Standard petrol/diesel cars: a banded yearly rate that can range from modest to quite high, depending on emissions and registration year.
  • Older, very high‑emission or expensive cars: can face noticeably higher annual rates in the top bands.

How to find your exact car tax

  • Use an official or reputable “check my car tax by reg” service where you enter the registration number (plate) and see the exact rate for that vehicle.
  • Many guides walk you through the factors and then link directly to a checker or calculator so you can see the exact yearly amount you’ll pay.

Extra context: tax vs. mileage deductions

In some places (for example the US), the focus is less on a “car tax” and more on how much of your car costs you can deduct for business or other uses, with standard per‑mile rates set each year (for 2026, the business mileage rate is in the seventy‑plus cents‑per‑mile range).

That kind of system affects your taxes indirectly (through deductions) rather than being a separate, flat car tax bill.

Information gathered from public forums or data available on the internet and portrayed here.