Auto loan refinance calculator
A calculator can be useful, but only if you know what it is actually comparing. This page explains what to enter, what assumptions exist, and what results to focus on.
Start with the current loan
Use your current balance (or payoff if you have it), APR, months remaining, and monthly payment. These anchor the “do nothing” baseline.
Model scenarios as ranges, not promises
Use a conservative, moderate, and optimistic APR to see how sensitive the decision is. Include fees. A lower APR can still be a bad deal if fees are high or the term extends.
What to compare
- Monthly payment (pressure)
- Total remaining cost (long-run cost)
- Break-even timing (fees vs savings)
- Term length (time in debt)