Arizona Car Sales Tax Calculator
Determine exact Arizona motor vehicle sales tax, official DMV title and license fees (TTL), and dealer documentation fee caps under A.R.S. § 42-5061 (Transaction Privilege Tax).
Vehicle & Tax Parameters
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Worked Scenario: Buying a $30,000 Vehicle in Arizona
Here is how the numbers break down when purchasing a $30,000 car with a $5,000 trade-in allowance in Arizona:
| Line Item | Calculation Rule | Amount ($) |
|---|---|---|
| Vehicle Agreed Price | Base vehicle purchase price | $30,000.00 |
| Less Trade-In Allowance | Deducted from vehicle equity | -$5,000.00 |
| Taxable Purchase Amount | Price minus trade-in (Credit applies) | $25,000.00 |
| Arizona Sales Tax (5.60%) | $25,000.00 × 5.60% | $1,400.00 |
| Dealer Documentation Fee | No statutory cap; doc fees in Arizona average $499 to $... | $590.00 |
| DMV Title & Registration | Official state titling and plate fee | $450.00 |
| Total Out-the-Door Due | Net balance + tax + fees | $27,440.00 |
Arizona Motor Vehicle Tax Laws & Regulations
When purchasing a car in Arizona, understanding how your state assesses tax and regulates dealer fees ensures you never overpay at the dealership signing table. Primary legal authority is codified under A.R.S. § 42-5061 (Transaction Privilege Tax).
1. Sales Tax Assessment & Surtaxes
Under A.R.S. § 42-5061 (Transaction Privilege Tax), Arizona imposes a 5.60% state Transaction Privilege Tax (TPT). City and county taxes typically add 2.0% to 3.5%, resulting in combined rates around 8.10% to 9.10%.
2. Trade-In Tax Deduction Rules
Trade-in credit applies to licensed dealer sales under A.R.S. § 42-5061. Private-party vehicle transactions are 100% exempt from state sales tax.
3. Dealer Documentation Fees & Ceilings
No statutory cap; doc fees in Arizona average $499 to $650 and are not subject to Transaction Privilege Tax when separately stated and reasonable (ADOR TPR 97-2). If the fee is folded into the vehicle price without separating it, it becomes taxable. Learn how this compares with other jurisdictions in our complete Dealer Doc Fees by State Directory.
Local DMV & County Fee Variations in Arizona
While state tax rates provide the baseline, local county surtaxes and DMV plate fees vary across Arizona jurisdictions:
| County / Metropolitan Area | Combined Vehicle Tax Rate | DMV Plate & Title Fee | Typical Dealer Doc Fee |
|---|---|---|---|
| Maricopa County (Phoenix) | 8.60% (5.6% state + 0.7% county + 2.3% city) | $8 base + VLT ($2.80/$100 value) | $499-$695 |
| Pima County (Tucson) | 8.70% (5.6% state + 0.5% county + 2.6% city) | $8 base + VLT ($2.80/$100 value) | $450-$595 |
| Pinal County | 7.20% (5.6% state + 1.6% county) | $8 base + VLT ($2.80/$100 value) | $450-$550 |
| Yavapai County (Prescott) | 6.35% (5.6% state + 0.75% county) | $8 base + VLT ($2.80/$100 value) | $395-$550 |
| Yuma County | 7.31% (5.6% state + 1.71% county) | $8 base + VLT ($2.80/$100 value) | $395-$525 |
| Coconino County (Flagstaff) | 9.00% (5.6% state + 1.3% county + 2.1% city) | $8 base + VLT ($2.80/$100 value) | $450-$595 |
Cross-Border & Private-Party Buying Rules
If you purchase a vehicle from an out-of-state dealership, you pay motor vehicle sales tax to Arizona when titling the car in your home jurisdiction. Read our transactional guide on buying a car out of state to avoid paying duplicate sales tax.
For private-party transactions between individual buyers and sellers, review our guide on private party vs. dealer vehicle sales tax to understand state valuation rules and required bill of sale documentation.
Need a National View?
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