Well you can deduct the sales tax if it helps.
If you don't have a state income tax or elect to take the sales tax deduction instead of the state income tax deduction, you can add the new or used car sales tax paid (even if you financed it) to the amount of the sales tax from the IRS table to get your deduction. It goes under
Federal Taxes (or Personal for H&B version)
Deductions and Credits
Choose Jump to Full List -or I'll choose what I work on
Sales Tax - click the Start or Update button
You might see a screen saying Let's compare your sales tax and income tax
Choose Try Sales Tax Deduction Anyway
Then click on EasyGuide
Enter your State and then your rate
Then on Did you buy any Major Purchases answer YES
You should get a screen with boxes to enter the item