Ohio's County Add-On — A Smaller Swing Than Most States
Ohio's base state sales tax on vehicles is 5.75%. Every one of Ohio's 88 counties adds its own local sales tax on top, but compared to states like Missouri or Colorado, Ohio's county rates are relatively close together — the statewide local average works out to about 1.44%, bringing typical combined totals to around 7.19%.
That said, average doesn't mean identical — some counties add less than 1%, while others add closer to 2%. On a $35,000 vehicle, even a 1-percentage-point difference between counties amounts to $350 in tax, so it's still worth checking your specific county's rate on the Ohio Department of Taxation's site.
Ohio also charges one of the higher EV registration surcharges in our dataset at $200 per year, on top of a $34.50 license plate fee that's above the norm for the states we cover.
Ohio Fee Breakdown
| Fee Type | Amount | Notes |
|---|---|---|
| State Tax | 5.75% | Applies to full purchase price after trade-in credit |
| County Tax (statewide avg) | ~1.44% | Varies by county — check your specific rate |
| Title Fee | $15 | One-time fee to transfer ownership |
| Registration Fee | ~$75 (est.) | Standard passenger vehicle |
| License Plate Fee | $34.50 | Above average among states we cover |
| EV Registration Surcharge | $200/year | Applies to battery electric vehicles |
Trade-In Tax Credit in Ohio
Ohio offers a full trade-in tax credit at licensed dealerships. Your trade-in value is subtracted from the purchase price before both the 5.75% state tax and your county's local tax are calculated, lowering your total tax bill proportionally.
On a $35,000 purchase with a $10,000 trade-in, your taxable base drops to $25,000 — at a typical 7.19% combined rate, that's a savings of roughly $719 compared to paying tax on the full price.
If you owe more on your trade-in loan than it's worth, that negative equity is rolled into your new loan but isn't taxed, since Ohio (like most states) treats it as debt refinancing rather than part of the vehicle's purchase price.
Frequently Asked Questions
What is the car sales tax in Ohio?
How much does Ohio's county tax vary?
Does Ohio tax trade-ins?
How much is the Ohio title fee?
Does Ohio charge an EV registration surcharge?
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