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.What to include in a vehicle bill of sale. When buying a vehicle or equipment for your business, use this Vehicle and Equipment Purchase Agreement to protect yourself from unwarranted liabilities. In this article, we`ll provide a sample car sale agreement in Nigeria that you can use as a template. The buyer takes the full ownership of the Vehicle (Make, Registration Number). bearing. Use our private car sale contract template to create a legally binding contract between the buyer and seller of a vehicle. All vehicles in New York must be registered to be on the road. To do this, you must visit your local DMV office.