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Found a bug, a stale state tax rate, or have an idea that would make the calculator more useful? We read everything.

What to include

• Tax-rate corrections: the state, the correct rate or trade-in rule, and an official source (state DOR/DMV page) if you have one.
• Bug reports: the numbers you entered, what you expected, what you got, and your browser and device.
• Feature ideas: what you were trying to work out that the calculator couldn't do.
• Advertising or partnership questions: a short description of what you have in mind.

What we can't help with

We can't give financial advice, quote you a real APR, or discuss your personal loan — the site is an estimator only. For decisions about an actual loan, talk to your lender, and see the CFPB's auto loan resources for impartial guidance.