Buying A Used Car In Arizona Sales Tax -

The entity you purchase from determines whether you pay tax at the time of sale.

In Arizona , buying a used car from a is generally exempt from sales tax . These are classified as "casual sales" and do not incur the state's Transaction Privilege Tax (TPT). However, if you buy from a dealership , you will likely pay a combined tax rate of approximately 8.1% to 9.1% , depending on the city and county. 1. Private Party vs. Dealership Sales buying a used car in arizona sales tax

: Licensed dealers must pay the state TPT (typically 5.6% ) and usually pass this cost to the buyer. You will also pay additional city and county taxes based on the dealership's location. Maricopa County : Adds a 0.7% excise tax. The entity you purchase from determines whether you

: Adds a 2.8% city tax (as of January 1, 2026), bringing the combined total to 9.1% . 2. Tax Offsets and Use Tax However, if you buy from a dealership ,