GM Financial's main payment phone line is 1-888-GM-FINANCE (1-888-464-3342), available Monday through Friday, 8 a.m. to 8 p.m. Eastern Time.

This number connects you to customer service representatives who handle payment arrangements, account questions, and loan modifications. If you're calling outside business hours, you can leave a message or use GM Financial's online account portal to make a payment when ready without waiting for a representative.

GM Financial is the captive finance subsidiary of General Motors, meaning it finances vehicles sold through GM dealerships — primarily Chevrolet, GMC, Buick, and Cadillac. The company services loans directly, so this is the number to use whether you're making a regular payment, asking about a missed payment, or discussing loan terms.

Key Takeaways

  • Call 1-888-464-3342 during business hours (Monday–Friday, 8 a.m.–8 p.m. ET) to speak with a representative about your GM Financial auto loan.
  • You can make a payment by phone using this number, but the online portal at gmfinancial.com allows you to pay 24/7 without waiting on hold.
  • Have your loan number and the phone number associated with your account ready before calling to speed up verification.
  • If you're behind on payments or facing hardship, call this same number to discuss options like deferment or loan modification before missing another payment.

What to Have Ready Before You Call

GM Financial's system will ask you to verify your identity using your loan number, the last four digits of your Social Security number, or the phone number on file. Having your loan documents nearby saves time — your loan number appears on your monthly statement and any correspondence from GM Financial.

If you're calling about a specific payment or account issue, write down the date and amount involved. Representatives can pull up your full payment history, but having details ready lets them address your question faster. If you're calling about a hardship situation or missed payment, have information about your current income and any changes in your financial circumstances available to discuss options.

Payment Options Beyond the Phone

While you can make a payment by phone, GM Financial offers faster alternatives that don't require speaking to anyone. The online portal at gmfinancial.com lets you log in with your username and password to pay when ready, set up automatic payments, or view your balance and payment history. You can also pay through the GM Financial mobile app, available on iOS and Android.

If you prefer mailing a check, your statement shows the mailing address. Payments by mail typically take 7 to 10 business days to post, so mail early if your due date is approaching. Some GM Financial customers can also pay through their bank's bill-pay system by routing the payment to GM Financial's lockbox address, which appears on your statement.

Reaching GM Financial for Specific Situations

The main customer service line handles most inquiries, but knowing what to expect can help. If you're calling about a missed or late payment, representatives can discuss whether you're may be able to access for a grace period, payment deferment, or loan modification. These options vary based on how far behind you are and your loan terms, so calling early — before you miss a second payment — gives you more options.

If you're calling about a vehicle that's been in an accident or has mechanical issues, customer service can connect you with claims or warranty departments as needed. For questions about your loan terms, interest rate, or remaining balance, the main line can answer those directly.

What Happens If You Can't Reach Anyone

If you call outside business hours or the line is busy, you can leave a voicemail with your name, loan number, and a brief description of your issue. GM Financial typically returns calls within one business day. However, if your payment is due soon, don't wait — use the online portal or mobile app to make the payment when ready instead of risking a late fee.

If you have an urgent issue and can't reach customer service, check your loan documents for any emergency contact information or escalation procedures. Some loan agreements include language about hardship situations or payment disputes that may direct you to a specific department or process.

Understanding Your Account Before You Call

Your monthly statement shows more than just the amount due. It lists your current balance, interest rate, remaining term (how many payments are left), and the due date. Understanding these details helps you ask better questions and understand what a representative is telling you about options like refinancing or modification.

If you've made extra payments or paid ahead, your statement will show that too. If you're confused about why your balance hasn't dropped as much as you expected, it's often because early payments in a loan go mostly toward interest rather than principal — this is normal and worth asking about if you're considering paying extra.

Frequently Asked Questions

Can I make a payment over the phone without talking to a representative?

Yes. When you call 1-888-464-3342, the automated system will guide you through making a payment using your debit card or bank account. You don't need to speak to anyone unless you have questions or want to discuss your account. The online portal is faster if you have internet access.

What if I'm having trouble making my payment this month?

Call the main line and ask about hardship options. Depending on your situation and loan terms, GM Financial may offer a one-time payment deferment, loan modification, or extended payment plan. Calling before your payment is due gives you more options than calling after you've missed it.

Is there a different number for refinancing or loan modification?

No — the main customer service line at 1-888-464-3342 handles all inquiries, including refinancing questions. A representative can discuss whether refinancing makes sense for your situation and connect you with the right department if you want to move forward.

How long does it take for a phone payment to show up in my account?

Payments made by phone typically post within one business day. If your due date is tomorrow, use the online portal or mobile app instead — those process faster. Always confirm the payment went through by checking your account the next day.

What if I have a question about my interest rate or loan terms?

The customer service line can answer questions about your specific loan, including your rate, remaining balance, and payoff date. If you're interested in refinancing to a lower rate, they can discuss whether that's an option based on your credit and current market rates.