This car purchase agreement template is a standard agreement made completely customizable for your individual needs. A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services.A vehicle sales agreement is a lawful arrangement summarizing the terms and conditions of a vehicle sale between a customer and a seller. 2. Odometer Declaration. (Pro-Buyer) (5-541-6567). For a sample pro-seller master sale of goods agreement, see Standard Document, Sale of Goods. ("ARS") and XXXXX ("Dealer") for the purchase and sale of certain Vehicles. Selling or transferring ownership of a car, boat or other item of personal property? Easily create, print, and download a Bill of Sale in minutes. With our editable vehicle purchase agreement template, you can verify the odometer and warranty of the car before paying for it.