🚗 The Loan & the Car
👤 You, Without the Cosigner
Lender Checks
Loan-to-value
Payment-to-income
Debt-to-income
Credit score
Loan balance
Car age
Mileage
Months since loan started
Refinancing Alone
Current payment
Estimated rate on your own
New payment
Interest left, current loan
Interest, new loan
Monthly change
⚠️ Lender rules vary. The limits used here are typical ranges, not any one lender's rules: loan-to-value up to 125% (some go to 150%), payment-to-income up to 15%–20%, debt-to-income up to 45% (some refinance lenders allow 50%–60%), a balance of at least $3,000–$5,000, a car about 10 model years old or newer with no more than 100,000–150,000 miles, and a loan that's been open at least six months. The rate is estimated by credit score from Experian's Q2 2026 average used-car rates. Checking rates with a soft pull doesn't affect your score; a full application usually means a hard inquiry.
Why You Usually Can't Just "Remove" a Cosigner
A cosigner signed the original contract, and the lender approved the loan because of both of you. Chase puts it plainly: a cosigner can't remove themselves, and the primary borrower can't remove them either. Their obligation ends when the loan is paid off — including when it's paid off by a new loan in your name alone. A few lenders offer a formal cosigner release after a run of on-time payments, so ask yours first, but most auto lenders don't.
What a Refinance Lender Looks At
Refinancing alone means you apply as if the cosigner never existed. Lenders look at your credit and your income by themselves, and also at the car and the loan:
- Loan-to-value. Owing much more than the car is worth is the most common reason a solo refinance fails. Most lenders cap it somewhere between 125% and 150%.
- Your income. The new payment as a share of your gross income (payment-to-income), and all your debt payments including rent (debt-to-income).
- Your credit. Minimums are often in the 500s, but the rate you're offered depends heavily on your score. Every on-time payment on the cosigned loan has been building your own history too.
- The car. Many lenders want it about 10 model years old or newer, with no more than 100,000 to 150,000 miles.
- The loan. Many won't refinance less than $5,000, and some want the loan open for at least six months.
If You Don't Qualify Yet
- Underwater? Paying the balance down to about 125% of the car's value — the calculator shows the amount — opens up most lenders.
- Ratios too high? A longer term lowers the payment and the payment-to-income ratio, though it usually adds interest. Paying off a credit card balance lowers debt-to-income.
- Credit too thin? Six to twelve more months of on-time payments can move you up a tier.
- Need out now? Selling the car and paying off the loan ends the cosigner's obligation immediately.
The full walkthrough, including what happens to the title and to the cosigner's credit, is in Can You Refinance a Car Loan Without Your Cosigner?