Find out what documents you will need to provide proof of sale and ownership if you are buying, selling, or gifting a vehicle. You'll need to sign the car purchase agreement (or dealer bill of sale), the title, an odometer statement, and sometimes a damage disclosure statement.I'm gonna break down all the terms and conditions so you can understand what it means and we're gonna fill that out so you can have a real-life example of it. 1. Enter the names of the Seller and Buyer along with the agreement date. Use this car purchase agreement template to customize the financing information for your car along with other required details. Free New York vehicle bill of sale template to ensure a seamless car transfer process, including DMV requirements. Write out your own full name, and that of the buyer. We've put together this guide to simplify car purchase agreements and help you stay protected when purchasing vehicles or selling them. What should you include in your vehicle bill of sale?