Whether or not the donation is tax deductible depends on the organization to which you donate. An organization must be an IRS qualified 501(c) (3) nonprofit organization. Taxpayers can make certain that they have donated their vehicle to an eligible organization by calling IRS Tax Exempt /Government Entities Customer Service at 1-877-829-5500 or go here and download Publication 78 which is a list of all IRS recognized charitable organizations.