Idaho Truck Sales Tax Calculator (2026)
Estimate Idaho truck sales tax in seconds. Enter your sale price and we apply the flat statewide rate; the calculator returns state tax, local surtax, title transfer fee, and total out-the-door cost for a private party sale.
Idaho Truck Sales Tax Calculator
Estimate state tax, local surtax, and total cost for a private truck sale in Idaho.
Estimated total tax
$900.00
6.00% combined rate
Sales tax applies to private party vehicle purchases
Flat 6% statewide; no additional local vehicle taxes
Estimate only. ID DMV may calculate tax from the higher of purchase price or book value. Confirm exact rates with your county tax assessor before transfer.
How Idaho taxes private truck sales
Idaho applies a flat 6% sales tax on private party truck transactions statewide. Flat 6% statewide; no additional local vehicle taxes. Sales tax applies to private party vehicle purchases.
Who pays the tax
In Idaho the buyer pays the truck sales tax at the time of title transfer — it is collected by the DMV (or equivalent agency) when the buyer registers the vehicle. The seller does not collect tax in a private party sale.
When the tax is due
Tax is due within 30 days of the sale date. Idaho late-titling penalties typically begin once that window closes — interest accrues monthly on unpaid tax.
Exemptions and gift transfers
Gift transfers between immediate family members may qualify for a sales-tax exemption — confirm with the Idaho DMV at title transfer.
Late penalties
Filing the title transfer beyond the 30-day window typically triggers a late fee plus monthly interest on the unpaid tax. The Idaho DMV may also block registration renewals until the back tax is paid. File on time — the calculator above shows the exact amount owed.
Compare truck sales tax across states
See how Idaho stacks up against the five lowest- and highest-tax states for a private truck purchase. Tap any state to open its calculator.
5 lowest sales-tax states
5 highest sales-tax states
- Arkansas11.63%
- Louisiana11.45%
- California10.50%
- Kansas10.50%
- Washington10.40%
Idaho truck sales tax FAQ
How much is sales tax on a truck in Idaho?
Idaho charges a flat 6% on private truck sales statewide. Sales tax applies to private party vehicle purchases.
Who pays sales tax on a private truck sale in Idaho?
In Idaho the buyer pays the truck sales tax at the time of title transfer — it is collected by the DMV (or equivalent agency) when the buyer registers the vehicle. The seller does not collect tax in a private party sale.
When is Idaho truck sales tax due?
Tax is due within 30 days of the sale date. Idaho late-titling penalties typically begin once that window closes — interest accrues monthly on unpaid tax.
Are there any Idaho sales-tax exemptions for truck transfers?
Gift transfers between immediate family members may qualify for a sales-tax exemption — confirm with the Idaho DMV at title transfer.
What is the title transfer fee in Idaho?
The Idaho title transfer fee is $14. This is collected at the time of title transfer in addition to any sales tax owed. Use the calculator above to see fees plus tax on your sale price.
Ready to close the truck sale?
Create a printable Idaho truck bill of sale in minutes. It is required at the DMV to register your purchase and document the taxable amount.
Create your Idaho bill of saleRelated resources
Informational purposes only. This content is provided for informational purposes only and is not legal advice. Laws vary by state and individual circumstances differ. Consult a licensed attorney for jurisdiction-specific guidance on vehicle transfers, title requirements, or related legal matters.