A credit score of 661 or higher means you are a prime or super-prime borrower and will have an easier time getting approved for a car loan. If you have a near-prime, subprime, or deep subprime credit score, you can still get approved but may have to pay a higher interest rate or find a lender who specializes in car loans for those with bad credit.
Keep in mind that lenders look at more than just your credit score. You can improve your odds of approval by showing stable: