Create a printable vehicle bill of sale that can be saved as a Word or PDF file easily online. Start your customizable form for any automobile today.Selling your car car in California might seem overwhelming. Be prepared with this checklist of the most common documents to sell your car. Below, we've outlined the steps and forms required for how to sell a car in the state of California so you can sell your car quickly for the most cash. Learn about bills of sale in California for animals, vehicles, firearms, and more. What Information Do I Need for the Bill of Sale?