[header] How to donate your car to charity [title] Determine your tax bracket. [step] The amount you will save as a result of your deduction depends on your income tax bracket. Before you make a donation, you should determine which tax bracket you fall into. 
[substeps] Imagine the car you donate is valued at $1 , 000. If your tax bracket is 10%, then the value of the deduction will only be $100.