Auto Refinance Calculator
Find out whether a new auto loan changes your monthly payment, total cost, or both.
Your details
Advanced assumptions
These are scenario assumptions, not verified local rules or lender terms. Only change options supported by your documents.
Your results
| Measure | Keep current loan | Refinance |
|---|---|---|
| Monthly payment | $597.24 | $563.64 |
| Months to repay | 48 | 48 |
| Remaining interest | $4,667.57 | $3,054.75 |
| Total cost from today | $28,667.57 | $27,354.75 |
Uses fixed contract interest rates and equal monthly payments. APR can include fees; use the interest rate and enter fees separately to avoid counting them twice. Actual lender payoff quotes can include accrued interest.
View first 12 payments
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | $563.64 | $443.64 | $120.00 | $23,556.36 |
| 2 | $563.64 | $445.86 | $117.78 | $23,110.50 |
| 3 | $563.64 | $448.09 | $115.55 | $22,662.41 |
| 4 | $563.64 | $450.33 | $113.31 | $22,212.08 |
| 5 | $563.64 | $452.58 | $111.06 | $21,759.50 |
| 6 | $563.64 | $454.84 | $108.80 | $21,304.66 |
| 7 | $563.64 | $457.12 | $106.52 | $20,847.54 |
| 8 | $563.64 | $459.40 | $104.24 | $20,388.14 |
| 9 | $563.64 | $461.70 | $101.94 | $19,926.44 |
| 10 | $563.64 | $464.01 | $99.63 | $19,462.43 |
| 11 | $563.64 | $466.33 | $97.31 | $18,996.10 |
| 12 | $563.64 | $468.66 | $94.98 | $18,527.44 |
Calculated:
Scenario comparison
Capture up to three alternatives, then change inputs to explore another. Snapshots stay in this page only and disappear on reload. Open a schedule before printing to include its table.
How the auto refinance calculator works
Compare current and proposed auto loans, including fees, payment changes, and total remaining cost.
Total savings = remaining payments on the current loan − payments on the new loan − upfront refinance costs. Financed costs are included in the new loan principal.
Example
Compare $24,000 remaining at 9% for 48 months with refinancing at 6% for 48 months and $300 in fees.
What affects the result
- Use the current balance and remaining term, not the original loan amount and term.
- A longer replacement loan may reduce the payment while increasing total cost.
- Fees can be paid upfront or financed; financed fees also accrue interest.
Helpful guides
Frequently asked questions
Which rate should I enter?
Use the fixed contract interest rate when known. APR can include fees, so using APR plus separate fees can overstate cost.
Is a lower monthly payment always a saving?
No. Compare total remaining payments and fees. Extending repayment can lower the monthly amount while increasing total cost.