In accordance with Arizona Revised Statutes §44-291, a retail installment contract that is a secondary motor vehicle finance transaction is subject to the following maximum finance rates on a secondary motor vehicle finance contract in the original principal amount of:
Five hundred dollars or less, a monthly finance rate of seventeen percent.
More than five hundred dollars but not more than two thousand five hundred dollars, a monthly finance rate of fifteen percent.
More than two thousand five hundred dollars but not more than five thousand dollars, a monthly finance rate of thirteen percent.
More than five thousand dollars, a monthly finance rate of ten percent.