Tax & Paycheck Calculators
Vehicle Sales Tax Calculator by State
Five states charge nothing. A few tax the full price no matter what you trade in. And at least one, Michigan, caps the trade-in credit at a specific dollar amount that's climbing every year. Pick your state to see which rules actually apply.
Calculate your vehicle sales tax
State-level rate only — local county/city taxes can add more on top in many states.
State-level rate only — does not include local county/city/district taxes, which can add 1–5% in many states, or title, registration, and doc fees. Confirm the exact combined rate with your state DMV before finalizing a purchase.
The two things that actually decide your bill
Vehicle sales tax comes down to two questions: what's your state's rate, and does trading in a vehicle reduce what gets taxed? The rate gets most of the attention, but the trade-in rule is often worth more in real dollars — on a $35,000 purchase with a $10,000 trade-in, the difference between a state that credits the trade-in and one that doesn't is several hundred dollars, sometimes over a thousand.
Five states charge nothing at all
Oregon, Montana, New Hampshire, Delaware, and Alaska levy no state sales tax on vehicle purchases. This is also the basis for the well-known "Montana LLC" strategy, where out-of-state buyers register a vehicle through a Montana-based LLC to avoid sales tax entirely — legal for genuine Montana residents and businesses, but a real audit risk for someone who actually lives and primarily uses the vehicle elsewhere, since a home state can pursue back taxes, penalties, and interest years later if it determines the registration was a workaround.
Most states credit your trade-in — a handful don't
A few states don't use a simple percentage at all
Several states have replaced or supplemented standard sales tax with a fundamentally different structure — worth knowing before you assume this calculator's percentage-based model applies:
| State | What's different |
|---|---|
| Georgia | No sales tax — instead a 7% Title Ad Valorem Tax based on the state's own fair market value table, not your negotiated price |
| North Carolina | 3% Highway Use Tax, capped at $2,000 on most vehicles — no local additions, no trade-in credit needed given the cap |
| South Carolina | Infrastructure Maintenance Fee capped at $500 regardless of vehicle price — very favorable for expensive vehicles |
If you're buying in Georgia, North Carolina, or South Carolina, use this calculator as a rough sense of what other states would charge for comparison — but confirm your actual bill directly with that state's DMV, since none of them work like a standard percentage-of-price tax.
Highest and lowest rates among standard states
Among states using a conventional percentage-based sales tax, Nevada (8.25%), Kansas (7.5%), California (7.25%), and Indiana and Tennessee (7% each) sit at the higher end at the state level alone — before any local additions, which can push combined rates well past 9–10% in some cities.
State rates, trade-in credit rules, and the special structures for Georgia, North Carolina, and South Carolina verified against multiple independent 2026 vehicle tax guides, with the Michigan cap figure cross-checked for its specific 2026 amount and phase-out schedule. Local taxes vary too widely to include reliably — always confirm your total combined rate with your state DMV. This is a planning estimate, not a final quote.
Frequently asked questions
Before you buy or trade in a vehicle.
Which states have no vehicle sales tax?
Oregon, Montana, New Hampshire, Delaware, and Alaska charge no state sales tax on vehicle purchases.
Does trading in my car always reduce the sales tax I owe?
In most states, yes — the trade-in value is subtracted from the taxable purchase price. California, Hawaii, Kentucky, Maryland, Virginia, and DC are the most commonly cited exceptions, taxing the full price regardless of trade-in. Michigan credits trade-ins but caps the credit.
What is Michigan's trade-in credit cap?
$12,000 for 2026, scheduled to increase $1,000 per year until the cap is eliminated entirely in 2029. Trade-in value above the current cap doesn't reduce your taxable amount.
Why doesn't Georgia charge sales tax on cars?
Georgia replaced vehicle sales tax with a 7% Title Ad Valorem Tax, calculated on the state's own fair market value table rather than your actual negotiated purchase price.
Is vehicle sales tax based on where I buy the car or where I register it?
Generally where you register it, not where you purchase it — the tax rate that applies is typically your home state's rate, regardless of which state the dealer is in.