The vehicle sales agreement is between a seller and buyer for the sale of a vehicle. It specifies the vehicle make, model, year, and other details.Use our private car sale contract template to create a legally binding contract between the buyer and seller of a vehicle. View, edit, and fill out Vehicle Sale Agreement Form in no time with FormsPal! A reliable online service to download legal docs and PDFs in minutes. A vehicle purchase agreement or vehicle contract is very important. Here are the templates that you can download and print. Find out what documents you will need to provide proof of sale and ownership if you are buying, selling, or gifting a vehicle. The Vehicle Sale Receipt is a document that shows proof of purchase of a vehicle.