Free Connecticut Car Sales Tax Calculator

Work out the Connecticut car sales tax on a new or used car. Connecticut charges sales tax (6.35%, or 7.75% over $50,000). Your trade-in lowers the taxable price.

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Sales tax (6.35%, or 7.75% over $50,000).
More options: rebate, dealer fees, state rules
$
$
Doc fees are taxable in many states. Leave at 0 if unsure.
Estimated tax
$1,905.00
Taxable amount$30,000.00
Tax$1,905.00
Total due (before title and registration)$31,905.00
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Connecticut car sales tax rules

  • Tax type: Sales tax (6.35%, or 7.75% over $50,000)
  • Rate used in the calculator: 6.35%
  • Local taxes: No local sales tax. Towns charge an annual property tax on vehicles instead.
  • Trade-in credit: Yes, on dealer purchases. The $50,000 test for the higher rate is applied before the trade-in.
  • Manufacturer rebates: Taxed: tax is figured on the price before the rebate.
  • Also note: Cars costing more than $50,000 are taxed at 7.75%.

Tax on common car prices in Connecticut

PriceTaxTax with $5,000 trade-inPrice + tax
$10,000$635.00$317.50$10,635.00
$20,000$1,270.00$952.50$21,270.00
$30,000$1,905.00$1,587.50$31,905.00
$40,000$2,540.00$2,222.50$42,540.00
$50,000$3,175.00$2,857.50$53,175.00

At 6.35%.

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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 Connecticut?

Connecticut charges sales tax (6.35%, or 7.75% over $50,000). Your trade-in lowers the taxable price.

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

About $1,905.00 at 6.35%, or $1,587.50 with a $5,000 trade-in. Title, registration and plate fees are extra.

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

Yes, on dealer purchases. The $50,000 test for the higher rate is applied before the trade-in.

Do local taxes apply to cars in Connecticut?

No local sales tax. Towns charge an annual property tax on vehicles instead.

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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