Use this car purchase agreement template to customize the financing information for your car along with other required details. A vehicle purchase agreement or vehicle contract is very important.Here are the templates that you can download and print. I'd like to take this time to review the sample contract with you to help you understand the ins and outs of a purchase contract. A Car Purchase Agreement Template is a document used to outline the terms and conditions of the sale of a vehicle between a buyer and a seller. When you buy a car at the dealership, you'll need to sign the car purchase or sale agreement along with other documents. Find out what you'll sign and why. Information you can expect to fill out includes the car's VIN, make, and model, the name and permanent address of each party involved, and the sales amount. A confusing and convoluted document that outlines the selling price, fees, taxes, your trade in, and more.