Car Vrt Calculator

Estimate the Vehicle Registration Tax for cars imported into Ireland.

VRT Breakdown & Rates

VRT Rates Based on CO₂ Emissions (WLTP)

CO₂ Emissions (g/km)	VRT Rate
0-50	7%
51-80	9%
81-85	9.75%
86-90	10.5%
91-95	11.25%
96-100	12%
101-105	12.75%
106-110	13.5%
111-115	15.25%
116-120	16%
121-125	16.75%
126-130	17.5%
131-135	19.25%
136-140	20%
141-145	21.5%
146-150	25%
151-155	27.5%
156-170	30%
171-190	35%
191+	41%

Official VRT bands. A minimum charge applies to each band.

What is a car vrt calculator?

A car vrt calculator is an essential online tool for anyone planning to register a new or imported used car in Ireland. VRT, or Vehicle Registration Tax, is a significant tax levied by the Irish Revenue Commissioners upon the first registration of a vehicle in the state. This calculator provides an accurate estimate of that tax liability. The calculation is not simple; it depends on a combination of the vehicle’s Open Market Selling Price (OMSP), its Carbon Dioxide (CO₂) emissions, and its Nitrogen Oxide (NOx) emissions. Our car vrt calculator simplifies this complex process, giving you a clear financial picture before you commit to a purchase or importation.

Anyone importing a car from the UK, Japan, or another country, or buying a new car that has not yet been registered in Ireland, should use a car vrt calculator. A common misconception is that the VRT is based on the purchase price of the car. In reality, it’s based on the OMSP, which is the price Revenue determines the car would sell for in Ireland. This is a critical distinction that our calculator helps clarify.

Car VRT Calculator Formula and Mathematical Explanation

The total VRT payable is a sum of two separate charges: a charge based on CO₂ emissions and a levy based on NOx emissions. This car vrt calculator automates the following logic.

1. CO₂ VRT Charge Calculation: This is the main component of the tax. The CO₂ emissions (in g/km) determine a percentage rate from a tiered system. This rate is then multiplied by the car’s OMSP.

CO₂ Charge = OMSP × VRT Rate(%)

2. NOx Levy Calculation: This is an additional charge for petrol and diesel vehicles based on their NOx emissions (in mg/km). It is calculated on a per-mg/km basis with escalating charges for higher emission levels.

NOx Levy = Calculated amount based on NOx bands

3. Total VRT: The final amount is the sum of these two parts.

Total VRT = CO₂ VRT Charge + NOx Levy

This dual-component system is designed to penalize less environmentally friendly vehicles more heavily. A reliable car vrt calculator like this one is vital for an accurate estimation.

Variables Used in the Car VRT Calculator

Variable	Meaning	Unit	Typical Range
OMSP	Open Market Selling Price	Euros (€)	€5,000 – €100,000+
CO₂	Carbon Dioxide Emissions	g/km	0 – 250+
NOx	Nitrogen Oxide Emissions	mg/km	0 – 150+
VRT Rate	Tax Rate based on CO₂ Band	Percentage (%)	7% – 41%

Practical Examples (Real-World Use Cases)

Example 1: Importing a Family SUV

Imagine you are importing a 2-year-old diesel SUV from the UK.

• Revenue determines its OMSP is €35,000.
• The CO₂ emissions are 145 g/km.
• The NOx emissions are high at 75 mg/km.

Using the car vrt calculator:

1. CO₂ Charge: A CO₂ value of 145 g/km falls into the 21.5% VRT band. The charge is 0.215 × €35,000 = €7,525.
2. NOx Levy: For a diesel, the levy for 75 mg/km is calculated as (€5 × 60) + (€15 × 15) = €300 + €225 = €525.
3. Total VRT: €7,525 + €525 = €8,050.

This demonstrates how a seemingly affordable import can incur substantial tax, a fact easily revealed by a car vrt calculator. For more details on import costs, check our vehicle registration tax Ireland guide.

Example 2: A Modern Petrol Hybrid Hatchback

Consider a new petrol hybrid car with excellent environmental credentials.

• The OMSP is €28,000.
• The CO₂ emissions are very low at 95 g/km.
• The NOx emissions are also low at 20 mg/km.

The car vrt calculator estimates:

1. CO₂ Charge: A CO₂ value of 95 g/km is in the 11.25% band. The charge is 0.1125 × €28,000 = €3,150.
2. NOx Levy: The first 60 mg/km are charged at €5/mg. So, 20 × €5 = €100.
3. Total VRT: €3,150 + €100 = €3,250.

This example highlights the significant tax savings available for cleaner cars, making the car vrt calculator an important tool for environmentally and financially conscious buyers.

How to Use This Car VRT Calculator

Our car vrt calculator is designed for simplicity and accuracy. Follow these steps for a reliable VRT estimate:

1. Enter the OMSP: Input the Open Market Selling Price in Euros. If you don’t know it, you may need to find a similar vehicle on an Irish sales site to get a rough idea, but remember the official OMSP lookup is done by Revenue.
2. Enter CO₂ Emissions: Input the car’s official CO₂ emissions in grams per kilometre (g/km) as per the WLTP standard.
3. Enter NOx Emissions: Input the car’s Nitrogen Oxide emissions in milligrams per kilometre (mg/km). If the car is fully electric, this will be 0.
4. Select Fuel Type: Choose between Petrol/Hybrid, Diesel/Hybrid, or Electric. This is important for the NOx cap calculation.

The car vrt calculator will update in real time, showing the total estimated VRT, plus the individual CO₂ charge and NOx levy. Use these results to understand the true cost of bringing your car onto Irish roads.

Key Factors That Affect Car VRT Calculator Results

Several critical factors influence the final VRT amount. Understanding them is key to managing costs. Our car vrt calculator models these factors precisely.

• Open Market Selling Price (OMSP): This is the single biggest factor. A higher OMSP directly leads to a higher VRT charge, as the CO₂ tax is a percentage of this value.
• CO₂ Emissions: This is the core of the VRT calculation. Even a difference of a few g/km can push a car into a higher tax band, increasing the rate from, for example, 16% to 16.75%. This makes a CO2 emissions tax calculator function essential.
• NOx Emissions: The NOx levy adds a significant and often overlooked cost, particularly for older diesel cars. A detailed car vrt calculator must account for the tiered NOx charging system.
• Fuel Type: The fuel type determines the maximum possible NOx levy. For petrol and hybrid cars, it’s capped at €600, but for diesels, it can go up to €4,850, making it a huge potential liability.
• Vehicle Age and Condition: While not a direct input in the final calculation, age, mileage, and condition are key determinants of the OMSP value set by Revenue. An older car generally has a lower OMSP.
• EU Type-Approval Standards: The testing standard used (older NEDC vs. modern WLTP) can affect the official CO₂ figures, which is why official documentation is so important for an accurate car vrt calculator result.

Frequently Asked Questions (FAQ)

1. What is the difference between OMSP and the price I paid?

The OMSP (Open Market Selling Price) is Revenue’s valuation of what the car is worth in Ireland. The price you paid, especially abroad, may be lower. VRT is always calculated on the higher OMSP, which is a crucial detail for any car vrt calculator user to know.

2. Does this car vrt calculator work for commercial vehicles?

No. This calculator is specifically for passenger cars (Category A). Commercial vehicles (Category B) have a different VRT calculation, typically a percentage of the OMSP (e.g., 13.3%) or a flat fee. You can find more info on our commercial vehicle VRT page.

3. What happens if I don’t know the NOx value?

An accurate NOx value is essential for a correct VRT estimate. It should be on the vehicle’s Certificate of Conformity or foreign registration document. If you cannot find it, this car vrt calculator cannot provide a fully accurate result, as the levy could be substantial.

4. Are electric vehicles (EVs) exempt from VRT?

EVs are not fully exempt, but they benefit from significant reliefs. They have a 0 g/km CO₂ rating, placing them in the lowest VRT band (7%). Additionally, reliefs can reduce the payable amount, often to zero, depending on the OMSP. This car vrt calculator correctly handles EVs by setting emissions to zero.

5. Can I use a car vrt calculator for a UK import?

Yes, this car vrt calculator is ideal for estimating the tax on UK imports. Remember that in addition to VRT, you will also have to pay VAT (23%) and customs duty (10%) on the vehicle’s value plus shipping costs, as the UK is no longer in the EU. More info can be found on the importing a car to Ireland tax page.

6. How accurate is this car vrt calculator?

This calculator uses the official VRT and NOx rates published by Irish Revenue. The estimate will be very accurate if you provide the correct OMSP, CO₂, and NOx figures. The final amount is always determined by Revenue upon inspection, and our tool should be used for guidance. For an official calculation, see the revenue vrt calculator.

7. What if my car’s CO₂ is based on the old NEDC standard?

Revenue applies an uplift formula to convert NEDC figures to an equivalent WLTP figure before calculating VRT. This car vrt calculator assumes you are using the modern WLTP figure. If you only have an NEDC value, the VRT may be higher than estimated here.

8. Does vehicle age reduce the VRT?

Age does not directly reduce the VRT rates, but it significantly reduces the car’s OMSP. A 5-year-old car will have a much lower OMSP than a 1-year-old car, and therefore the VRT payable (as a percentage of that OMSP) will be lower. The car vrt calculator shows this effect when you input a lower OMSP for an older vehicle.