I am thinking about consolidating a couple of car loans which are at 6.5% and 7% and paying them off with an American Express credit card which is offering an interest rate of around 3.9% until balance is paid off. Would this be a wise move?: "I am thinking about consolidating a couple of car loans which are at 6.5% and 7% and paying them off with an American Express credit card which is offering an interest rate of around 3.9% until balance is paid off. Would this be a wise move? "