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: Detailed rules and eligibility can be found on the GM Rewards Terms and Conditions page. Redemption Fast Facts
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
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 . : Detailed rules and eligibility can be found
: Use the Marcus by Goldman Sachs app or website for older accounts. The GM card portfolio has transitioned through several
Dedicated line for assistance with accounts. Managing Your Card Online
: Many legacy cards earned 5% on the first $5,000 in annual purchases and 2% thereafter.
The primary phone number for the (now integrated into the My GM Rewards program) is 1-833-773-0988 .