By signing this contract, I choose to purchase the motor vehicle on credit according to the terms of this contract. Vehicles are required to be titled in the buyer's name within 30 days from the date of sale.My bank wants purchase agreement or bill of sale before sending out a check to the dealer. One contract is the car purchase or sales agreement where you contract with the dealer to purchase the vehicle. Check our current rates, calculate your payment based on the NADA Auto Value of the car or truck you want to buy and then fill out the Loan Application. Make sure you get a copy of the odometer statement when you sign the contract. Texas law requires you to have liability insurance. Are you ready to get started with in-house financing? Fill out the form and get pre-approved for your used car purchase today. When applying for a car loan, you'll typically need proof of identity, income, credit history, residence, and insurance.