Are there any credit cards that cannot be used for car loan payments? The CardUp Team March 09, 2020 02:25 Updated Please note that credit cards issued by Citibank and American Express cannot be used for car loan payments. Related articles What can I pay on CardUp? What types of payments are supported on an American Express credit card? How do car loan payments work on CardUp? Will my spend on CardUp earn rewards on my credit card? What types of cards are accepted by CardUp?