Using the car loan interest rates of various banks and the interest rates of credit card installment loans to calculate the interest rate of a three-year car loan. Assume that the car price is uniformly 100,000 yuan for easy calculation.

The interest rate and interest calculation for three-year ICBC car loans

The current interest rate for ICBC car loans from one to three years is 6.15%*number of years. So we can calculate the three-year car loan as follows: 100,000 yuan * 6.15% * 3 = 18,450 yuan.

The interest rate and interest calculation for three-year installment repayment of ICBC credit card

The current interest rate for three-year installment repayment of ICBC credit card is 11%. So we can calculate the total interest like this: 100,000 yuan * 11% = 11,000 yuan.

The interest rate and interest calculation of Agricultural Bank of China's three-year car loan

The current interest rate of Agricultural Bank of China's one to three-year car loan is 5.4%*number of years. Therefore, we can calculate the three-year car loan as follows: 100,000 yuan * 5.4% * 3 = 16,200 yuan.

The interest rate and interest calculation for the three-year installment payment of the Agricultural Bank of China credit card

The current interest rate for the three-year installment payment of the Agricultural Bank of China credit card is 10%. So we can calculate the total interest like this: 100,000 yuan * 10% = 10,000 yuan.

The interest rate and interest calculation of China Construction Bank's three-year car loan

The current interest rate for China Construction Bank's one to three-year car loan is 12%. So we can calculate the three-year car loan like this: 100,000 yuan * 12% = 12,000 yuan.

Interest rate and interest calculation for China Merchants Bank’s three-year car loan

China Merchants Bank’s current interest rate for one to three-year car loans is 5.5%*number of years. Therefore, we can calculate the three-year car loan as follows: 100,000 yuan * 5.5% * 3 = 16,500 yuan.

The interest rate and interest calculation for three-year installment repayment of China Merchants Bank's credit card

The current interest rate for three-year installment repayment of China Merchants Bank's credit card is 14.5%. So we can calculate the total interest as follows: 100,000 yuan * 14.5% = 14,500 yuan.