Complete Guide to Auto Loans in 2026
Rates, terms, refinancing and how to get the best deal.
Read guide →Time-based or payment-based payoff.
Payoff time from a fixed payment uses n = −ln(1 − (B·r)/M) / ln(1+r), where B = balance, r = APR ÷ 12, M = monthly payment. If the payment doesn't exceed monthly interest, the balance never amortizes.
About 30 months to clear, with roughly $1,500 in total interest.
Rates, terms, refinancing and how to get the best deal.
Read guide →Standard vs. income-driven vs. PSLF vs. refinancing.
Read guide →Snowball vs. avalanche, with real numbers.
Read guide →Calculations are estimates based on the information you provide. Actual loan terms, rates, and payments vary by lender, credit score, and other factors. SmartLoanCalcs is not a lender and this is not a loan offer. We are not responsible for decisions made based on these calculations — consider consulting a licensed lender or financial advisor.
Last updated: May 24, 2026
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