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Under Title XXXIII, Chpt 516: Consumer Finance the maximum finance charge is as follows:
The maximum interest rate shall be 30 percent per annum, computed on the first $2,000 of the principal amount as computed from time to time; 24 percent per annum on that part of the principal amount as computed from time to time exceeding $2,000 and not exceeding $3,000; and 18 percent per annum on that part of the principal amount as computed from time to time exceeding $3,000 and not exceeding $25,000. The original principal amount as used in this section shall be the same
So it would depend upon the sale price of the vehicle.
Hope this helps answer your question