ID·26

Idaho vehicle taxes & fees

Pick what you're here to figure out - every calculator below uses Idaho's own rates and rules, verified June 2026 against your county DMV/assessor's office (Idaho Transportation Department).

Sales tax: 6% flat
Title fee: $14 + county fee
Registration: $45–$69/yr by age
Pay at: County assessor's DMV desk
Trade-in credit: Dealer sales only

01 - Pick your calculator

Every Idaho vehicle cost

Tax, Title & License
The full out-the-door cost of buying a car: sales tax, title fee, registration, and every state add-on in one total.
Open
Car Sales Tax
Exactly how much sales tax you'll pay on a new or used vehicle - including trade-in credits and private-party rules.
Open
Registration Fees
First-time registration costs by vehicle type - cars, trucks, trailers - with county fees and EV surcharges included.
Open
Renewal Cost
What your annual registration renewal actually costs, what's included, and what happens if you renew late.
Open
Title Transfer
Title transfer fees, deadlines, and the late penalties that stack up if you miss them - with a penalty calculator.
Open
Gift a Car
What it costs to gift a vehicle to a family member - who qualifies, which taxes are waived, and the forms you need.
Open
Boat Registration
Boat and vessel registration costs by length and type, plus titling fees and where to register (it's often not the DMV).
Open
Motorcycle Fees
Motorcycle registration, title, and tax costs - usually cheaper than a car, but with their own quirks by state.
Open

verified June 2026 · sources cited on every page

Idaho vehicle taxes & fees

Every Idaho vehicle cost

Tax, Title & License

Car Sales Tax

Registration Fees

Renewal Cost

Title Transfer

Gift a Car

Boat Registration

Motorcycle Fees

Other states