It details the transfer of ownership and possession of a vehicle. 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. How to fill out the Private Car Sale Contract Template? The first vehicle purchase agreement template we have here for you comes in the standard A4 page format and is available on three . In this article, we`ll provide a sample car sale agreement in Nigeria that you can use as a template. Secure your vehicle transaction with a Vehicle Sale Agreement, detailing sale terms, conditions, and obligations for a smooth, transparent purchase process.