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Free Hawaii Car Sales Tax Calculator

Work out the Hawaii car sales tax on a new or used car. Hawaii charges general excise tax passed on by the dealer (up to 4.712%).

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General excise tax passed on by the dealer (up to 4.712%).
More options: rebate, dealer fees, state rules
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Doc fees are taxable in many states. Leave at 0 if unsure.
Estimated tax
$1,413.60
Taxable amount$30,000.00
Tax$1,413.60
Total due (before title and registration)$31,413.60
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Hawaii car sales tax rules

  • Tax type: General excise tax passed on by the dealer (up to 4.712%)
  • Rate used in the calculator: 4.712%
  • Local taxes: Hawaii has no sales tax. Dealers owe the 4% general excise tax plus a 0.5% county surcharge, and may pass it on at up to 4.712%.
  • Trade-in credit: Not set by a sales tax rule; ask the dealer how the excise tax is shown.
  • Manufacturer rebates: Not confirmed by the state source; the calculator taxes the price before the rebate, the more cautious choice.
  • Also note: Cars brought in from out of state pay 4% use tax on the landed value.

Tax on common car prices in Hawaii

PriceTaxTax with $5,000 trade-inPrice + tax
$10,000$471.20$235.60$10,471.20
$20,000$942.40$706.80$20,942.40
$30,000$1,413.60$1,178.00$31,413.60
$40,000$1,884.80$1,649.20$41,884.80
$50,000$2,356.00$2,120.40$52,356.00

At 4.712%.

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Other costs when you buy a car

On top of the tax, expect title, registration and plate fees, and a dealer documentation fee. Check whether the car fits your budget with the car affordability calculator, or compare with a lease.

Frequently asked questions

How much is sales tax on a car in Hawaii?

Hawaii charges general excise tax passed on by the dealer (up to 4.712%).

How much tax will I pay on a $30,000 car in Hawaii?

About $1,413.60 at 4.712%, or $1,178.00 with a $5,000 trade-in. Title, registration and plate fees are extra.

Does a trade-in reduce car sales tax in Hawaii?

Not set by a sales tax rule; ask the dealer how the excise tax is shown.

Do local taxes apply to cars in Hawaii?

Hawaii has no sales tax. Dealers owe the 4% general excise tax plus a 0.5% county surcharge, and may pass it on at up to 4.712%.

Sources

Rules last reviewed 2026-11-11. Estimates only; the dealer or your state motor vehicle agency calculates the final amount.

Other states

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