Idaho Car Sales Tax
Idaho car sales tax is about 6% (6% state). See what you'll pay on a $30,000 car and how it affects your payment.
Idaho (ID)
6%
6% state
Average across states
5.9%
Rank (highest = #1)
#26 of 51
Buying a $30,000 car in Idaho
Sales tax (~6%)
$1,800
Registration / yr
~$70
Insurance / mo
$125
Loan payment*
$570/mo
*$3,000 down, 7% APR, 60 months, tax rolled into the loan.
Idaho registration fees go down as the car gets older.
These are estimates for planning. Rates and fees change and vary by county and vehicle — confirm with your state motor vehicle agency.
Frequently asked questions
What is the sales tax on a car in Idaho?
About 6% in total: 6% statewide. Idaho registration fees go down as the car gets older.
How much tax will I pay on a $30,000 car in Idaho?
Roughly $1,800, before any trade-in credit or state-specific caps.
Does a trade-in reduce car sales tax in Idaho?
In most states the trade-in value is subtracted before tax is charged, which can save hundreds of dollars. Check with your state DMV for the exact rules.
More for Idaho
Car Sales Tax in other states
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