The primary phone number for the (now integrated into the My GM Rewards program) is 1-833-773-0988 .
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 .
: Rewards on an open account typically do not expire . gm buy power card phone number
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 .
Available Monday–Saturday, 9 a.m.–8 p.m. ET for questions about point balances, missing rewards, or program enrollment. : Call 1-866-928-8598 . The primary phone number for the (now integrated
: You can redeem earnings toward new vehicles, certified service, parts, or even SiriusXM and OnStar subscriptions. About Managing your GM Rewards™ Account
: Many legacy cards earned 5% on the first $5,000 in annual purchases and 2% thereafter. Essential Contact Numbers Card Account Support & Payments
Dedicated line for assistance with accounts. Managing Your Card Online
