Answer:
There are many resources out there for getting the word out that you have a vehicle for sale. There are many websites out there (craigslist, kijiji etc.) that give you the ability to post your vehicle online for free, but be aware of the amounts of spam email you will receive.
I posted a vehicle online once and received nothing but spam.
Having said that, there are a wide variety of websites out there that assist in selling your vehicle. Make sure you find the free ones.
Click on the related link below. This website lets you post your vehicle online for free and is secure so you don't have to worry about spam.