Can I refinance with a co-signer? November 17, 2021 23:28 Updated Follow Yes, some of our partners allow a co-borrower and you can add a co-borrower on the application with the lender directly. Related articles How do I add a co-signer after submitting my application? Does checking my Auto Loan Refinance rate hurt my credit score? Will adding a co-signer help lower my Student Loan Refinance rate? Can I talk to someone on the phone about Auto Loan Refinance? How does Gabi work?