🚗 ID — Idaho
Idaho Vehicle Sales Tax Calculator
Estimate your total car purchase cost in Idaho — including 6.0% state tax, local rates, title, and registration fees.
📌 State Rate: 6.0%
📍 Tax Type: Sales Tax
🏙 Largest City: Boise
🚗 Vehicle & Purchase Details
$
$
Trade-in reduces taxable amount in most states
$
%
%
Idaho avg local: 0.0% — adjust for your county
Fees (estimated)
$
$
$
📈 Your Tax & Fee Estimate
Total Due at DMV / Dealership
$0
Tax + title + registration + fees
🚗 Vehicle price$0
🔄 Trade-in credit$0
📌 Taxable amount$0
🔴 State tax (6.0%)$0
📍 Local tax$0
📄 Title fee$0
📜 Registration fee$0
📋 Other fees$0
Total tax & fees$0
💵 Amount to finance$0
Flat 6% state rate. No additional local vehicle sales tax.
Idaho Vehicle Sales Tax Guide
Idaho charges a 6.0% Sales Tax on vehicle purchases. Flat 6% state rate. No additional local vehicle sales tax. Always confirm current rates with your local DMV or county tax office before finalizing your purchase.
How to Calculate Idaho Vehicle Sales Tax
- Start with the vehicle purchase price
- Subtract your trade-in value (reduces taxable amount in Idaho)
- Multiply by 6.0% for state tax
- Add any applicable local or county tax (avg 0.0% in Idaho)
- Add title fee (~$14), registration (~$69), and other DMV fees
Idaho Vehicle Tax by Purchase Price
| Vehicle Price | State Tax (6.0%) | +Local (0.0%) | Total Tax |
|---|---|---|---|
| $15,000 | $900 | $0 | $900 |
| $25,000 | $1,500 | $0 | $1,500 |
| $35,000 | $2,100 | $0 | $2,100 |
| $50,000 | $3,000 | $0 | $3,000 |
| $75,000 | $4,500 | $0 | $4,500 |
| $100,000 | $6,000 | $0 | $6,000 |
Frequently Asked Questions
The state vehicle sales tax rate in Idaho is 6.0%. Flat 6% state rate. No additional local vehicle sales tax. Your total rate depends on your county or city.
In most cases, Idaho allows you to subtract your trade-in value from the purchase price before calculating sales tax. This can save hundreds of dollars on a new vehicle purchase.
Yes — used vehicles are taxed at the same 6.0% rate in Idaho. Whether you buy from a dealer or a private party, the vehicle tax applies at time of title transfer at the DMV.
When you register the vehicle at the Idaho DMV, you pay the sales tax along with the title and registration fees. Dealers typically collect the tax at closing and remit it to the state.
Electric vehicles in Idaho are generally subject to the same 6.0% sales tax rate. However, EVs may qualify for federal tax credits (up to $7,500 for qualifying vehicles) which reduce the effective purchase cost. Check current federal and state EV incentive programs.