Whose Credit Score Is Used When Buying a Car With a Co-Signer? (2024)

Generally, lenders will consider the credit score of all applicants applying for a loan. Different lenders use different methods for assessing the creditworthiness of borrowers. If you’re seeking a loan, it’s important to know how each lender assesses you for approval—especially if you’re attempting to make a big purchase, such as a car.

If you’re a young adult who is a first-time car buyer, you should know the basics of how co-signing works. Indiana Members Credit Union provides a variety of resources to supplement financial education for youth, including our SmartStart Program. And with this article, we’re going to cover some frequently asked questions about co-signers, including what they are and how they affect your chances of getting approved for a loan.

What Is a Co-Signer?

A co-signer is someone who applies for a loan alongside you, essentially telling the lender “if this person cannot pay the loan for whatever reason, I will pay it.” Co-signers are agreeing to legal responsibility for the loan if you cannot pay it back. From the lender’s perspective, this reduces the risk of the loan, which not only helps with approval but makes it more likely that you will receive a better interest rate.

Is a Joint Auto Loan the Same as a Co-Signer?

No; while similar, the difference is in who is responsible for making payments—and when. In a joint auto loan, two borrowers are equally responsible for paying back the loan, and each of them must make regular, separate but equal payments. A co-signer, on the other hand, acts as a “backup plan” for the lender getting paid back. Co-signers are only expected to pay back the loan if the borrower cannot. Additionally, a joint auto loan is typically for people who are going to split ownership of a car, whereas co-signers are simply helping someone else purchase a car; co-signers do not usually retain ownership.

Is It Easy To Get Approved for a Car With a Co-Signer?

It’s definitely easier—especially if you don’t have a credit history or are just now starting to establish one. While having a co-signer does not guarantee you will be approved, if they have a high credit score and good credit history, lenders are far more likely to trust you as a borrower. If you have questions about what kind of co-signer will help you, talking with an auto advisor like the ones at IMCU can help immensely.

If I Have a Co-Signer, Will I Still Build Credit?

Yes—you definitely will! Co-signers are only there to show lenders that you have a safety net if you’re unable to pay back the loan. You are still the one making the car payments, which means you will be the one building credit.

Does Co-Signing for Someone Affect Your Credit Score?

Yes, it can—but only in certain cases. According to Equifax, when you co-sign for a loan, it is included in your credit history and is incorporated into your debt-to-income ratio. Keep in mind, though, if you co-sign for someone and they are making timely payments on the debt, there is a lot less to worry about. Co-signing is very common amongst parents for a reason: it yields little risk, in most cases. It may limit your total borrowing power temporarily, but otherwise should have no negative impacts to your credit.

How Much Does a Co-Signer Help on Auto Loans?

As a first-time borrower for a car, a good co-signer—one with a good credit score and good credit history—can be huge when purchasing your first car. Here are some potential benefits of a co-signer:

  • Lenders will offer lower interest rates, which decreases how much you pay total for the car
  • The ability to take out a larger loan and make larger purchases
  • Grounds for negotiating even lower interest rates—especially with regular timely payments

Does Having a Co-Signer Help Your Car Payment?

Having a co-signer with a good credit score and good credit history helps you get a lower car payment and pay less overall for your car. This is because co-signers make it more likely that a lender will give you a lower interest rate, which means you will pay less on a loan in the long term.

Can You Still Be Denied a Loan With a Co-Signer?

You can still be denied, but only in rare circ*mstances, most of which will likely not apply to a first-time borrower. A borrower with a poor credit history or negative financial situations, such as bankruptcies or repossessions, will have a harder time getting approved for a loan—even with a good co-signer. Conversely, if a co-signer has a lower credit score than you or has a poor credit history, they will hurt your chances instead of helping them.

What Is the Minimum Credit Score for an Auto Loan With a Co-Signer?

There is no minimum credit score for auto loans, or loans of any kind. Lenders have different criteria for the types of loans they offer, and there are even subprime lenders for borrowers with poor credit. That said, having a better credit score means you will get better interest rates, and ultimately pay less money overall. Generally speaking, a score of 600 is a good credit score to aim for when buying a car.

Keep in mind, though, there is a difference between “bad credit” and “no credit”—the difference being credit history. Having no credit does not mean you will fail to procure a loan. With the help of a co-signer and even some auto advisory services, you can find auto loans at good interest rates to help finance your first car. You can even find small starter credit cards—like IMCU’s Jumpstart credit card—to help build your credit in a low-risk environment. ​​

Buying Your First Car? IMCU Can Help

If you’re looking into buying your first car, Indiana Members Credit Union has a lot of resources to help you. With IMCU, you can learn the basics of finance through our SmartStart Program, build credit through our Jumpstart credit card for beginners, and even get a pre-approved car loan to make buying your first car that much easier. Please visit our website to learn more about the ways we can help you!

Whose Credit Score Is Used When Buying a Car With a Co-Signer? (2024)

FAQs

Whose Credit Score Is Used When Buying a Car With a Co-Signer? ›

Lenders can consider the credit scores of both borrowers when co-signing an auto loan. If you have a lower credit score, having a co-signer with a higher score could work in your favor. In terms of which credit-scoring model is used for approvals, that can vary by lender.

When you cosign for a car whose credit score is used? ›

Why Do Lenders Look at Both Credit Scores for a Joint Auto Loan? When two people agree to a joint car loan, they agree to split the monthly payment. And so, because both people are responsible for a portion of the payment, the lender will weigh both credit scores.

What is the minimum credit score for a cosigner? ›

Although requirements can vary by lender, a cosigner typically needs to have good to excellent credit (670 and up) to cosign a loan or credit line.

Can I still get denied with a cosigner? ›

While having a co-signer does not guarantee you will be approved, if they have a high credit score and good credit history, lenders are far more likely to trust you as a borrower. If you have questions about what kind of co-signer will help you, talking with an auto advisor like the ones at IMCU can help immensely.

Who builds credit on a cosigned loan? ›

Having a co-signer on the loan will help the primary borrower build their credit score (as long as they continue to make on-time payments). It could also help the co-signer build their credit score and credit history, if the primary borrower makes on-time payments throughout the course of the loan.

What if your co-signer has bad credit? ›

That cosigner must have good credit because their credit gets run to make sure that they are in good standing. Only if they are deemed acceptable can someone with bad credit get their loan. The process is not reversible. You cannot switch the process around and have the person with bad credit try and cosign the loan.

Can I use my wife's credit and my income to buy a car? ›

This works out nicely if you and your spouse combine your assets, credit, and income into a much stronger application. As long as the shared involvement is no problem for you or your spouse, a joint loan could help you get a better offer on a quality vehicle or unlock financing for more expensive vehicles.

What is a good credit score to buy a car without a cosigner? ›

A target credit score of 661 or above should get you a new-car loan with an annual percentage rate of around 6.89% or better, or a used-car loan around 9.04% or lower. Superprime: 781-850.

Who owns the car if there is a co-signer? ›

Co-signing means you are responsible for covering payments if the main borrower cannot, but you do not have any legal rights to the car. Co-owning means both parties have equal ownership and financial responsibility for the car.

Can I use a cosigner to buy a car with a 500 credit score? ›

Each auto lender has its own credit requirements, but typically a cosigner needs a credit score of 670 or more. Lenders also calculate the cosigner's debt-to-income ratio (DTI), which measures how much of their income goes to pay debt.

Whose credit score is used with a co borrower? ›

On a joint mortgage, all borrowers' credit scores matter. Lenders collect credit and financial information including credit history, current debt and income. Lenders determine what's called the "lower middle score" and usually look at each applicant's middle score.

Who is the owner of a cosigned car? ›

The cosigner is legally responsible for the debt if the primary borrower can't make payments. Any late or missed payments can negatively impact both parties' credit scores. Furthermore, the cosigner doesn't have any ownership of the vehicle.

Does it matter whose name is first on a car loan? ›

The order of the names on the application is meaningless - someone has to be put first, and it's usually the person with better credit. But that doesn't grant either person rights over the other.To sell the car, you need the signature of the other owner.

Does co-signing affect the co-signer's credit? ›

A co-signed debt will also appear on the co-signer's credit reports and can influence their credit scores as if the debt were their own. When someone co-signs a loan or lease, they undertake a certain level of financial risk.

Can a cosigner become the primary on a car loan? ›

If you are a cosigner on a car or other property loan, you don't have any right to own the property or assets if the primary borrower defaults. If the primary borrower defaults or can't make payments, you can try asking the lender to refinance with you as the primary borrower.

Who owns the car the cosigner? ›

Co-signing means you are responsible for covering payments if the main borrower cannot, but you do not have any legal rights to the car. Co-owning means both parties have equal ownership and financial responsibility for the car.

Can a cosigner remove themselves from a car loan? ›

The quick answer is yes, but it's not as easy as you might think. "Lenders are generally averse to removing a co-signer," says Dean Kaplan, president of The Kaplan Group, a commercial debt collection agency. That's because by removing your name from the loan, the lender's risk goes up.

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