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Vehicle Fair Market Value in Car Donation: Why You Need to Know It

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By Chris Telden


What is Fair Market Value?

The fair market value of a car, according to the IRS, is the price that a willing buyer would pay to a willing seller.

"Willing" means that neither buyer nor seller desperately needs to transact quickly or in a way that alters the worth of the car--they just want to buy and sell for a fair price--and all facts about the car are disclosed to both parties.


The fair market value of your car is important when getting a car, boat, truck or motorcycle donation write-off because of a tax law that came into effect in 2005. The law says that when you donate vehicles and get a tax write-off of more than $500, you must deduct either the resale/salvage value of the car or the fair market value of the car (which is usually greater.)

And you don't get to choose which. Previously, you could deduct the fair market value for any qualifying car donation. Now, how much you're allowed to deduct is decided by the way the recipient charity uses the donated car.

How do you know which amount you can deduct? You only get to write off the fair market value of the car if the recipient charity donates the car to a needy person, sells it to the needy at a significant discount, or puts it to otherwise charitable use for its own purposes.

If the charity or non-profit organization sells it and uses its proceeds for its own non-profit purposes, then you must deduct only the resale value.

  • Either way, for amounts greater than $500, you need to get a written acknowledgement from the charity.
  • Refer to IRS Publication 561, Determining the Value of Donated Property, or search a used car buying guide, such as the Kelley Blue Book, to calculate the fair market value of your used vehicle. The guide will help you figure out the value of a car that's in a comparable state to yours. So if you use the pricing guide, make sure it's for the exact same make, model, and year of the car, as well as equivalent options and accessories, and in the same condition. The fair market value will never be greater than the private-party sale price, so refer to that price for the maximum fair market value price.
  • The used car, boat, truck or other vehicle must be drivable and usable in order to have its fair market value deducted from your income on your taxes.
  • In the event the used vehicle is in bad condition and a true junker with no redeeming qualities, it's destined for salvage or being sold on auction. In this case, you'll only be able to deduct the sale or salvage value on your taxes--which still can be a considerable chunk of cash.
  • Vehicles valued at more than $5,000 must be professionally appraised in order to take a tax deduction for the car donation.


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