I work at a 501-C and have donated our last 3 cars. To get the blue book value of the car as a tax write-off, you need to donate to a not for profit that will use the car and not sell it for parts. You should get a thank you letter noting the year, make and model of the car as well as mileage. You determine the deduction amount for your taxes. PM me if you need clarification - or if you live near Western MA and want to donate to a theater company. We use the donated cars for actors going into schools to do Shakespeare with kids!