The credit score is acceptable, but the debt-to-income ratio is a problem. Multiple open loans — other vehicles, personal loans, student debt, a home equity line — push the DTI above what lenders want to see.

This is a different obstacle than a bad credit score and requires a different approach.

Understanding DTI as the Issue

Debt-to-income (DTI) is the ratio of monthly debt payments to monthly gross income. Most lenders have a maximum DTI they'll approve — often 45% to 55% for auto loans, though this varies.

If a customer has $2,500 in existing monthly debt payments and earns $5,000 per month, they're at 50% DTI before the new car payment is even added. Adding another $600/month payment pushes them to 62% — outside most lenders' guidelines.

The customer's credit score might be fine. The problem is pure math: too much monthly obligation relative to income.

How to Find Out Before Submitting

Ideally, you catch a DTI problem before submitting to lenders, not after. A few qualification questions during the early process can surface this:

"Do you have any other vehicle payments or significant monthly obligations?"

It's not an interrogation — it's due diligence. And it helps you structure the application correctly from the start.

Your F&I manager should also review the application pre-submission to flag potential DTI issues before you've built the customer's expectations around approval.

The Options When DTI Is the Problem

Higher income documentation: If the customer has income sources not reflected in their application (bonuses, a side business, a spouse's income), adding them properly may improve the DTI picture.

Less expensive vehicle: Reducing the new payment is the most direct fix. A $300/month payment instead of $600/month makes a significant DTI difference.

Larger down payment: More down means lower loan amount means lower payment means lower DTI impact. Ask the customer if there's additional cash available.

Longer term: Extending the loan term reduces the monthly payment, which improves DTI. Be transparent about the total interest cost of a longer term.

Co-borrower with higher income: Adding a co-borrower increases the income side of the DTI equation, potentially improving the ratio enough for approval.

Paying off an open loan: If the customer has a small loan or credit card balance, paying it off eliminates that monthly obligation entirely. This can meaningfully move the DTI.

The Transparent Conversation

Don't let the customer discover the DTI problem from a lender rejection. Have the conversation proactively.

"I want to walk through the financing picture with you before we submit. Looking at your monthly obligations, the DTI ratio is something lenders will notice. Here's what that means and here are the options I see."

That conversation is harder to have than just submitting and seeing what comes back — but it's far better for the relationship.

When No Path Works Today

Sometimes none of the DTI solutions are available. The customer can't put more down, can't afford a less expensive vehicle, and has no additional income to document.

In that case, be honest: "Based on what we're seeing with your current obligations, lenders aren't likely to approve a new vehicle loan right now. I don't want to put you through a bunch of declines that add hard inquiries to your credit. Here's what would need to change."

Specifics are helpful: paying off Loan X would remove $350/month from your DTI. Come back after that and the picture looks very different.

FAQ

Does DTI ever override a strong credit score? Yes. A customer with a 760 credit score can still be declined for a new vehicle loan if the DTI is too high. The two metrics work independently.

How do lenders calculate DTI? They use the monthly payment obligations on the credit report plus the proposed new payment, divided by verified gross monthly income. Overtime and bonuses may or may not be included depending on the lender's guidelines.

What if the customer disputes one of the loans on their credit report? If a loan is genuinely an error, disputing it may remove it from the DTI calculation. However, this takes time — it's not a same-day fix.

Can the customer get approved at one lender but not another? Yes. Different lenders have different DTI thresholds. Shopping the deal to multiple lenders is how you find the one who will approve it.

Is it possible to get a co-signer just for income purposes without them being on the title? A co-signer is typically on the loan but may not need to be on the title. The specific structure depends on lender requirements and state law. Your F&I manager should handle this.

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Too many open loans is a fixable problem in many cases — it just requires the right restructuring and transparent communication. Handle it well and you often still close the deal.

Prepare your team for every financing obstacle with DealSpeak.