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Italian superbollo calculator for 2026

Estimate the 2026 Italian superbollo using whole kW and the construction year. The result covers the annual power surcharge only; ordinary regional bollo is separate.

Input values

Values are processed in your browser, without sending them to a calculation service or saving them. Reloading clears the form.

Scope and limits

No partial-year calculation, arrears, penalties or ordinary bollo are included. Select exemption only if a full ordinary-bollo exemption or suspension is confirmed. Verify the amount and payment details with ACI before paying. A reduced ordinary bollo is not itself a full exemption.

How to use the result

Use the documented construction year. If it is unavailable, ACI uses the earliest registration year, whether abroad or in Italy. For 250 kW built in 2016, the 2026 estimate is €780; the next reduction starts in 2027.

Method and assumptions

The base is €20 for each kW above 185. After 5, 10 and 15 completed calendar years counted from the year after construction, the payable share is 60%, 30% and 15%; after 20 it is zero.

Worked example

Input values

Power in kW (whole kW)
250
Year of construction
2016
Tax year (2026 only)
2026
Confirmed full exemption or suspension of ordinary bollo
No

Result of this example

Power above the threshold
65 kW
Rate per excess kW
12 EUR/kW
Annual superbollo estimate
€780.00

See when each age band starts

The construction year is the anchor. Counting starts on 1 January of the following year, which is why a vehicle built in 2016 reaches the 60% band in 2022, not 2021. The timeline applies the rule checked in 2026; future dates are conditional on that rule staying unchanged.

Your entries stay in this browser tab. Nothing is sent to Osmopark.

Worked example and its assumptions
Documented construction year
2016
Power (kW)
250
Starting year under the 2026 rulePercentage of initial amountAmount (EUR)
2,0161001,300
2,02260780
2,02730390
2,03215195
2,03700

The starting-year row shows the unreduced annual amount, not proof that the tax was due in that year. Exemptions, suspension, ownership and payment deadlines require separate checks.

Sources and scope checked on 31 October 2026: ACI

Three document fields that must not be confused

This fictional file has 250 kW, construction in 2016 and first registration in 2017. Substituting the registration year for a documented construction year delays every age reduction by one year. Keep the evidence with the calculation.

Fictional fieldInterpretation
P.2: 250 kWUse kW, not horsepower. Only the amount above the threshold enters the surcharge calculation.
2016 / 2017Construction evidence takes precedence. If construction is unknown, ACI refers to the earliest Italian or foreign registration; ask which evidence is accepted for your file.
Exemption documentA reduced regional bollo is not, by itself, proof of a superbollo reduction. Verify the actual exemption or suspension status.

Sources and scope checked on 31 October 2026: ACI

Sources and review

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