Idaho Auto Loan Calculator
Calculate your car payment in Idaho with 6% state sales tax (up to 9.0% with local). See monthly payment, total interest, and total cost.
How This Calculator Works
Calculation methodology and assumptions
Auto loan calculation for Idaho. Idaho's state sales tax of 6% is applied to the vehicle price minus trade-in value. Local taxes may add up to 3% more. Monthly payment uses standard amortization: P × [r(1+r)^n] / [(1+r)^n - 1].
Key State Information
Idaho auto buying facts: State sales tax 6%, up to 3% additional local tax. Average car insurance in Idaho: $1,310/year. On a $35,000 vehicle, Idaho sales tax alone is $2,100.
Frequently Asked Questions
How much is sales tax on a car in Idaho?
Idaho's state sales tax rate is 6%. Local jurisdictions can add up to 3% more, for a maximum combined rate of 9.0%. On a $35,000 car, state sales tax is approximately $2,100.
What is the average car insurance cost in Idaho?
The average annual car insurance premium in Idaho is $1,310, or about $109/month. This is below the national average.