Your trade-in can be one of the biggest numbers in the whole deal, yet many buyers accept the first offer. A little prep can put real money back in your pocket.
Find out what it's worth before you shop
- Check its value on a couple of pricing sites, using its true condition, mileage and options.
- Get one or two instant offers from companies that buy cars outright. Even if you don't sell to them, it gives you a real number to compare against.
- Gather your title (or loan payoff info), all keys, and any service records.
Negotiate the trade-in separately
Settle on the price of the car you're buying and the value of your trade as two separate numbers. When they're blended together, it's easy for a generous trade-in offer to be offset by a higher price somewhere else.
Florida's trade-in tax break
In Florida, sales tax is generally charged on the price after your trade-in credit, not the full price. On a $25,000 car with a $10,000 trade-in, that's tax on $15,000 instead of $25,000, which can save hundreds of dollars. It's one reason trading in at the dealer can make sense even if a private sale would get a slightly higher price.
If you still owe on it
Get your exact loan payoff amount from your lender. If you owe more than the car is worth (called negative equity), that difference doesn't disappear: it usually gets added to your new loan. Make sure you can see that number on the paperwork, and think twice before rolling a large amount into a new car.
Last reviewed September 2026. Fees and rules can change — confirm current amounts with the Bay County Tax Collector or your lender before you buy. This guide is general information, not legal, tax or financial advice.