Car & Household

Motor vehicle tax calculator

Annual motor vehicle tax based on engine displacement and CO2 value – for petrol and diesel engines.

Updated on Apr 21, 2026 Calculator, calculation path and examples on one page

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Calculator

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Calculation path

Step by step

  1. Round up displacement to 100 cc units

    Result: 16

  2. Calculate displacement tax

    Result: €32.00

  3. Calculate CO2 share

    Result: €77.40

  4. Determine total tax

    Formula: Displacement share + CO2 share

    Result: €109.40

Instructions

How to use this calculator correctly

How to use the calculator

  • Enter fuel type, displacement and CO2 value.
  • Specify initial registration so that the classification becomes more transparent.

How to read the result

  • The tax is divided into displacement and CO2 share.
  • The annual value is the sum of both components.

Limits of the calculation

  • Special cases such as electrical exemptions, mobile homes or exotics are not yet covered.

Related guide: Classify car costs with fuel, electricity, credit and taxes

Examples

Typical calculations

1,598 cc and 132 g/km.

Petrol compact

Estimated vehicle tax per year: €109.40

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1,968 cc and 148 g/km.

Diesel

Estimated vehicle tax per year: €306.50

Load this example

Simplified estimate before 2009.

Older approval

Estimated vehicle tax per year: €188.10

Load this example

FAQ

Frequently asked questions

Which vehicles is the calculator intended for?

For petrol and diesel cars according to the well-known system with displacement and CO2 proportion.

Is the result binding?

No. The customs tax assessment remains decisive.

Why does initial registration matter?

Because different taxation rules sometimes apply to older vehicles.

Can I also charge for electric cars?

No, this initial version is deliberately limited to petrol and diesel cars.

How is the CO2 share calculated?

The calculator uses progressive levels above the allowance.

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Sources and notes

Rule status and context

source
Customs
Stand
checked on Apr 21, 2026, valid from Jan 1, 2026 to Dec 31, 2026
Note
Calculation for cars with gasoline or diesel engines and first registration from July 1, 2009. Special cases such as mobile homes or electric exemptions are not fully modeled in the initial version.