Vrt Ireland Calculator






VRT Ireland Calculator – Estimate Your Vehicle Registration Tax


VRT Ireland Calculator

VRT Ireland Calculator

Estimate the Vehicle Registration Tax (VRT) due on passenger cars imported into Ireland. This tool provides a detailed breakdown based on the vehicle’s value (OMSP), CO2 emissions, and NOx levels.


Revenue’s estimate of the vehicle’s value in Ireland.
Please enter a valid, positive number.


As per the WLTP rating on the Certificate of Conformity.
Please enter a valid, positive number.


For diesel and petrol vehicles. Enter 0 for electric.
Please enter a valid, positive number.


Affects NOx levy cap.


Depreciation is applied to the OMSP for used vehicles.


Total Estimated VRT Payable

€0.00

CO2-Based VRT
€0.00

NOx Levy
€0.00

OMSP After Depreciation
€0.00

Formula Used: Total VRT = (OMSP × (1 – Depreciation %)) × CO2 Rate % + NOx Levy. The OMSP is first reduced by the age-related depreciation. The CO2-based VRT is calculated on this reduced value. The NOx levy is then added to this amount to determine the final VRT payable.

VRT Cost Breakdown

Bar chart showing breakdown of VRT costs VRT Components

€0 CO2 VRT

€0 NOx Levy

Max €0

A dynamic chart illustrating the proportion of CO2-based tax versus the NOx levy in your total VRT calculation.

What is a VRT Ireland Calculator?

A vrt ireland calculator is an essential online tool for anyone considering importing a vehicle into Ireland. It estimates the Vehicle Registration Tax (VRT), a significant charge levied on vehicles upon their first registration in the state. This tax is not a simple flat fee; it’s a complex calculation based on several key factors, primarily the vehicle’s Open Market Selling Price (OMSP), its CO2 emissions, and, for many vehicles, a separate levy based on Nitrogen Oxide (NOx) emissions. For prospective importers, using a vrt ireland calculator is a critical first step to understand the true cost of bringing a car into the country, preventing unexpected financial shocks. It transforms a complicated set of tax rules into a clear, understandable estimate.

This tool is indispensable for private individuals importing a car from the UK, Japan, or another EU country, as well as for commercial dealerships valuing their stock. A common misconception is that VRT is a type of annual road tax. In reality, VRT is a one-off tax paid at the point of registration, separate from the annual motor tax which is based on engine size or emissions. Our vrt ireland calculator helps distinguish these costs and provides a focused estimate purely on the registration charge.

VRT Ireland Calculator Formula and Mathematical Explanation

The calculation performed by a vrt ireland calculator involves several steps that combine vehicle value, age, and emissions data. The final VRT payable is a sum of two main components: a charge based on CO2 emissions and a levy for NOx emissions.

The step-by-step process is as follows:

  1. Determine Depreciated OMSP: For used vehicles, Revenue applies a depreciation percentage based on the vehicle’s age. This reduced value is the basis for the CO2 calculation. The formula is: Depreciated OMSP = OMSP × (1 - Depreciation Rate).
  2. Calculate CO2-Based VRT: The CO2 emissions (g/km) of the vehicle place it into one of 20 VRT bands, each with a corresponding percentage rate. This rate is applied to the Depreciated OMSP. The formula is: CO2 VRT = Depreciated OMSP × VRT Rate %.
  3. Calculate NOx Levy: A separate charge is calculated based on the vehicle’s NOx emissions (mg/km). This is a tiered system where different rates apply to different emission levels. For example, the first 40mg/km might be charged at €5/mg, the next 40mg/km at €15/mg, and so on. The formula is: NOx Levy = (NOx Level 1 × Rate 1) + (NOx Level 2 × Rate 2) + .... This levy is capped at €4,850 for diesel and €600 for other fuel types.
  4. Calculate Total VRT: The final step is to add the CO2 VRT and the NOx Levy together. The formula is: Total VRT = CO2 VRT + NOx Levy.
Variable Meaning Unit Typical Range
OMSP Open Market Selling Price Euros (€) €5,000 – €100,000+
CO2 Emissions Carbon Dioxide Output g/km 90 – 250
NOx Emissions Nitrogen Oxides Output mg/km 10 – 150
Depreciation Rate Age-related value reduction Percentage (%) 0% – 50%
This table outlines the key variables used by the vrt ireland calculator to determine the final tax liability.

Practical Examples (Real-World Use Cases)

Example 1: Importing a Modern Family Saloon

Imagine a person wants to import a 3-year-old diesel saloon from the UK. The OMSP as determined by Revenue is €28,000. Its emissions are 140g/km of CO2 and 50mg/km of NOx. Using the vrt ireland calculator, the cost is broken down:

  • Depreciation: A 3-year-old car gets 30% depreciation. Depreciated OMSP = €28,000 × (1 – 0.30) = €19,600.
  • CO2 VRT: 140g/km falls into the 20% VRT band. CO2 VRT = €19,600 × 20% = €3,920.
  • NOx Levy: The first 40mg is charged at €5/mg (€200), and the next 10mg at €15/mg (€150). Total NOx Levy = €350.
  • Total VRT: €3,920 + €350 = €4,270.

This shows the significant upfront cost, which the vrt ireland calculator makes clear before purchase.

Example 2: Importing an Older Petrol Hatchback

A student is looking at importing a 6-year-old petrol hatchback with an OMSP of €10,000. It has CO2 emissions of 160g/km and NOx emissions of 30mg/km.

  • Depreciation: At over 5 years old, the car gets the maximum 50% depreciation. Depreciated OMSP = €10,000 × (1 – 0.50) = €5,000.
  • CO2 VRT: 160g/km falls into the 30% VRT band. CO2 VRT = €5,000 × 30% = €1,500.
  • NOx Levy: 30mg/km is charged at €5/mg. Total NOx Levy = €150.
  • Total VRT: €1,500 + €150 = €1,650.

Even for a cheaper car, the vrt ireland calculator shows that the tax can be a substantial percentage of the vehicle’s value.

How to Use This VRT Ireland Calculator

Our vrt ireland calculator is designed for simplicity and accuracy. Follow these steps to get your estimate:

  1. Enter the OMSP: Input the Open Market Selling Price in Euros. This is the price Revenue deems it would sell for in Ireland. If unsure, you can find guides on Revenue’s website.
  2. Enter CO2 Emissions: Input the vehicle’s official CO2 g/km value. This is a crucial factor for the main VRT charge.
  3. Enter NOx Emissions: Input the NOx mg/km value. This is particularly important for diesel vehicles but applies to petrol as well. Enter ‘0’ for a fully electric vehicle.
  4. Select Fuel Type: Choose the correct fuel type as this influences the cap on the NOx levy.
  5. Select Vehicle Age: Choose the age bracket based on its first registration date to apply the correct depreciation.

The results update instantly. The primary result is your total estimated VRT, while the intermediate values show how the vrt ireland calculator arrived at this figure, breaking down the CO2 and NOx components. Use these results to understand the full financial commitment of importing a vehicle.

Key Factors That Affect VRT Ireland Calculator Results

Several critical factors influence the final figure produced by a vrt ireland calculator. Understanding these elements is key to managing import costs.

  • Open Market Selling Price (OMSP): This is the single most important factor. A higher OMSP directly leads to a higher VRT charge, as the main tax is a percentage of this value. Revenue’s valuation is final.
  • CO2 Emissions: This is the second pillar of the VRT calculation. The government’s environmental policy penalizes higher-polluting cars, so a vehicle with 190g/km of CO2 will pay a much higher percentage (35%) than one with 90g/km (10.5%).
  • NOx Emissions: This targeted levy adds another layer of cost, specifically targeting pollutants that affect air quality. A modern diesel with low NOx will be significantly cheaper to import than an older one with high NOx emissions.
  • Vehicle Age: Depreciation significantly reduces the taxable value (OMSP) for used cars. A car that is over 5 years old has its taxable value halved, which can save thousands in VRT, making older cars more financially attractive from a tax perspective.
  • Fuel Type: While CO2 is king, the fuel type directly impacts the NOx levy cap. Diesel vehicles have a much higher cap (€4,850) than petrol/other vehicles (€600), reflecting a tougher stance on diesel emissions.
  • Vehicle Condition and Mileage: Although not direct inputs in this simplified vrt ireland calculator, Revenue can adjust the OMSP based on exceptionally high or low mileage and the overall condition of the vehicle during the physical inspection.

Frequently Asked Questions (FAQ)

1. What is OMSP and how is it determined?

OMSP stands for Open Market Selling Price. It is Revenue’s assessment of what a vehicle would be worth if sold in Ireland. It is based on market data, trade guides, and prices of similar cars for sale in the country. The value you paid for the car is not the OMSP.

2. Why is my VRT estimate different from the final charge?

An online vrt ireland calculator provides an estimate. The final charge can differ if Revenue assigns a different OMSP, if the emissions data is incorrect, or if the vehicle has optional extras that increase its value.

3. Do I pay VRT on electric vehicles (EVs)?

Yes, but there are significant reliefs. EVs have zero CO2 emissions, placing them in the lowest VRT band. They are also exempt from the NOx levy. Additionally, there are often government reliefs available that can reduce the VRT amount further, though these are subject to change.

4. What happens if I can’t find the NOx value for a car?

If you cannot provide satisfactory evidence of a vehicle’s NOx emissions at registration, Revenue will apply a default charge. For diesels, this is the maximum penalty of €4,850, and for other vehicles, it is €600. It’s crucial to have this documentation.

5. Is VAT payable in addition to VRT?

It depends. If you are importing a new car (less than 6 months old or with less than 6,000 km) from another EU country, you will have to pay Irish VAT at 23%. If you are importing a used car from Great Britain (not Northern Ireland), you will typically pay both Customs Duty and VAT before VRT is calculated. A vrt ireland calculator does not usually include these other taxes.

6. How quickly do I have to pay VRT after bringing a car into Ireland?

You must book an appointment at an NCTS centre within 7 days of the vehicle’s arrival in the State and complete the registration process within 30 days. Failure to do so can result in penalties.

7. Can I get a refund on VRT if I export the car?

Yes, it is possible to claim a repayment of a portion of the VRT paid if you permanently export the vehicle out of Ireland. The amount depends on the car’s OMSP at the time of export and its age. The car must be brought to an NCTS centre for examination.

8. Does this vrt ireland calculator work for commercial vehicles?

No, this calculator is for Category A passenger vehicles. Commercial vehicles (Category B) and special vehicles (Category C) have different VRT rules, often a flat rate of €200 or 13.3% of the OMSP, so a specific vrt ireland calculator for those categories should be used.

© 2026 VRT Ireland Calculator. For estimation purposes only.



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