For deductions of $500 or less, you can deduct the gross proceeds from the sale of your vehicle by the charity or the vehicle's fair market value on the date of the contribution which ever is less
Deductions of more than $500:
For deductions of more than $500, you can deduct the gross proceeds from the sale of your vehicle by the charity or the vehicle's fair market value on the date of the contribution which ever is less
Exceptions to Above for Deductions greater than $500
Exception 1 - Vehicle Used or Improved by Organization:
If the organization makes "significant intervening use" of or "material improvements" to the vehicle before transferring it and you claim a deduction of more than $500, you can generally deduct the Fair Market Value of the vehicle at the time of the donation*.
Exception 2 - Vehicle Given or Sold to Needy Individual:
If the organization gives the vehicle to a needy individual or sells it "for a price well below fair market value" as part of the organizations charitable purpose and you claim a deduction of more than $500, you can generally deduct the Fair Market Value of the vehicle at the time of the donation*.