Auto Loan Payoff Calculator

Extra payments applied to an existing auto loan go straight to reducing principal, which shortens the payoff timeline and cuts total interest — auto loan rates are usually lower than credit card rates, so the savings from extra payments are more modest in absolute terms than paying down high-interest credit card debt, but they still add up meaningfully on a multi-year loan, especially one with a higher-than-average rate. Check your loan agreement for any prepayment penalty before committing to a plan of extra payments, though these are relatively uncommon on standard, mainstream auto loans.

One practical approach is rounding the monthly payment up to a clean, slightly higher number (say, rounding a $417 payment up to $450) — a modest, barely noticeable increase in monthly cash flow that nonetheless meaningfully shortens the loan's remaining term when applied consistently every month.

Cars depreciate quickly, especially in their first couple of years of ownership, which means the remaining loan balance can temporarily exceed the vehicle's actual resale or trade-in value — a position commonly called being "underwater" or having negative equity. This is most pronounced early in a loan, when the balance has barely been paid down but depreciation has already taken a meaningful bite out of the car's value.

Paying extra toward principal is one of the more effective ways to get ahead of depreciation and rebuild positive equity sooner, which matters particularly if there's any chance of needing to sell or trade in the vehicle before the loan is fully paid off — being underwater at that point means having to pay the difference out of pocket or roll it into a new loan.

• Remaining balance — what's still owed on an existing auto loan at the current point in its term.
• Negative equity ("underwater") — when the loan balance exceeds the vehicle's current market or resale value.
• Prepayment penalty — a fee some loans charge for paying off the balance ahead of schedule; uncommon but worth confirming.

At 7% APR, comparing the standard payment against an extra $100/month:

A modest $100/month increase shortens the payoff timeline by roughly 7 months and saves about $230 in interest — a meaningful return on a relatively small budget adjustment, and especially useful for escaping negative equity sooner if the vehicle's value has depreciated faster than the loan balance has declined.

On a $14,000 balance at 7% APR:

• Not checking for prepayment penalties — uncommon on standard auto loans, but worth confirming in your specific loan agreement before committing to extra payments.
• Prioritizing auto loan payoff over higher-interest debt — auto loan rates are often lower than credit cards, so it's generally more efficient to pay off higher-rate debt first.
• Draining an emergency fund to pay off the car faster — keeping some liquid savings is generally wiser than accelerating a relatively low-interest loan at the expense of a financial cushion.