As of late 2025, many BuyPower Card accounts transitioned from Capital One to Barclays . If you have a newer card, you may need to use the Barclays US portal to manage your credit and payments specifically.
Managing your account online allows you to track earnings, view statements, and redeem points toward a new GM vehicle. : Visit GMCard.com and click "Sign In".
: Redeem points for new vehicle leases or purchases, or for smaller items like Certified Service , parts, and accessories at dealerships. buy power credit card login
Logging in gives you direct control over the unique rewards program associated with the card:
: Apply up to $250 in statement credits annually for qualifying in-dealership purchases or GM extras like SiriusXM subscriptions. As of late 2025, many BuyPower Card accounts
: Use the email address and password you set up during registration. If you have a business account, ensure you select the GM Business™ Mastercard® login option. Key Benefits to Manage Online
: Schedule one-time payments or set up Auto Pay to ensure your account remains in good standing. Important Account Changes : Visit GMCard
To access your BuyPower Card (now often referred to under the GM Rewards Mastercard brand) account, you should log in through the official GM Rewards Cards portal.