Car Loan Prepayment Penalty Estimator Current Outstanding Loan Balance ($): Annual Interest Rate (%): (?) Needed if penalty is based on 'Number of Months' Interest'. Prepayment Penalty Type: --- Select Penalty Type --- Percentage of Current Balance Number of Months' Interest Fixed Fee Penalty Percentage (% of Balance): Number of Months for Interest Penalty: Fixed Penalty Amount ($): Estimate Penalty Estimated Prepayment Penalty $0.00 Calculation Based On: Download Estimate (PDF)