: Log in at GM My Account to view all points earned and redemption options.
This is the main line for to manage your balance, pay your bill by phone, or reach customer service. GM Rewards Member Support : Call 1-844-764-2665 . gm buy power card phone number
Dedicated line for assistance with accounts. Managing Your Card Online : Log in at GM My Account to
The GM card portfolio has transitioned through several issuers. Most accounts formerly managed by moved to Marcus by Goldman Sachs , and as of August 2025, many have further transitioned to Barclays Bank Delaware . Essential Contact Numbers Card Account Support & Payments : Call 1-833-773-0988 . pay your bill by phone