If you're planning to buy a new or used vehicle, this Australia-focused car loan calculator can help you estimate repayments before you apply. Enter your vehicle price, deposit, loan term, interest rate, and optional balloon payment to see what your repayments could look like weekly, fortnightly, or monthly.
Car Loan Calculator (Australia)
Estimate only. Results do not include all lender fees, government charges, compulsory insurance, or credit assessment outcomes. Always confirm the comparison rate and full loan contract terms with your lender.
How car loans work in Australia
A car loan lets you borrow money to purchase a vehicle, then repay that amount over time with interest. In Australia, most lenders offer loan terms between 1 and 7 years. Repayments can be weekly, fortnightly, or monthly. The exact amount you pay depends on your loan size, interest rate, term, and any balloon payment at the end.
Many borrowers focus only on the monthly repayment, but total cost matters just as much. A lower repayment can still mean a higher total interest bill if the term is longer or if there is a large balloon payment due at the end.
What this calculator includes
- Vehicle price and your deposit/trade-in to estimate the amount borrowed.
- Interest rate and loan term to calculate repayment size.
- Repayment frequency (weekly, fortnightly, monthly).
- Balloon/residual payment to model lower regular repayments with a final lump sum.
- Optional extra repayments to see potential interest savings and faster payoff.
Understanding key car loan terms
Interest rate vs comparison rate
The advertised interest rate is the base rate charged on your loan. The comparison rate is designed to include many common fees and charges, helping you compare loan products more fairly. When shopping around in Australia, always check both numbers.
Secured vs unsecured car loan
A secured loan uses the vehicle as security and often has a lower interest rate. An unsecured loan does not secure against the car, which can mean more flexibility but usually a higher rate.
Balloon payment
A balloon payment (also called residual) is a lump sum due at the end of your loan. It reduces regular repayments but increases the final amount due. This can be useful for cash flow, but make sure you have a clear plan for paying the balloon when it falls due.
Example scenario
Suppose you buy a car for $40,000, put down a $5,000 deposit, borrow the rest over 5 years at 7.5% p.a., and make monthly repayments. Your repayment estimate gives you a practical starting point for budgeting. If you then add extra repayments each month, you can usually reduce both total interest and the time it takes to finish the loan.
Tips to reduce your car loan cost
- Save a larger deposit to reduce the amount financed.
- Choose the shortest loan term you can comfortably afford.
- Compare lenders using the comparison rate, not interest rate alone.
- Avoid unnecessary add-ons that increase your loan balance.
- Make extra repayments where allowed and check for early payout fees.
- Review refinance options if your credit profile improves.
Before you apply for a car loan
Check your budget
Include fuel, registration, insurance, servicing, tyres, and parking—not just the loan repayment. A realistic budget helps avoid financial stress later.
Know your credit position
Your credit history can affect both approval and the rate offered. Paying bills on time and keeping other debts manageable can improve your borrowing profile.
Read the contract details
Review fees, redraw rules, extra repayment conditions, default terms, and any early termination charges. Understanding these details upfront can save money and prevent surprises.
Frequently asked questions
Is weekly better than monthly repayment?
Neither is automatically “better.” Weekly or fortnightly can suit cash flow if you're paid more frequently. The best option is the one that fits your income pattern and helps you stay consistent.
Can I pay off a car loan early in Australia?
Often yes, but policies vary. Some lenders allow early payout with little or no cost, while others may charge fees. Check your contract before committing.
Should I choose a balloon payment?
A balloon can lower regular repayments, but increases end-of-loan risk. It works best when you have a clear strategy for the final amount (savings, refinance, or sale/trade-in).
Final word
Use this car loan calculator as your planning tool, then compare multiple Australian lenders side by side. A small difference in rate or fees can make a meaningful difference over several years. The goal is simple: manageable repayments today and lower total cost over the life of the loan.