Finance Tool

Car Loan Calculator

Pressure-test the repayment before you apply. This free Australian car loan calculator is the fastest way to get realistic about budget, term, and total interest.

Quick Answer

Use a car loan calculator before you shop so you can separate a realistic loan from a dealer-focused monthly pitch. The number that matters is not just the repayment. It is the mix of term length, total interest, and how comfortably the loan fits your real budget. Then add stamp duty and on-road costs, which the loan figure does not include.

  • Monthly, weekly, and fortnightly views matter
  • Longer terms can hide a larger total repayment
  • Stamp duty and rego are on top of the loan, and vary by state
Reviewed 17 May 2026 by CQ Car Brokers Team

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Finance Tool

Model Your Repayments

Adjust the amount, rate, and term, then use the result as a starting point for a real lender comparison.

Adjust Your Loan

$30,000
$5,000$100,000
7.99%
5.99%14.99%
5 Years
1 year7 years
$
$
$

Optional lump sum left to pay at the end of the term, which lowers each repayment.

Your Estimated Repayments

weekly Payment
$140
per week
Weekly
$140
Fortnightly
$280
Monthly
$607
Loan Amount$30,000
Amount financed$30,000
Total Interest$6,413
Total Repayment$36,413
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This calculator provides estimates only. Actual rates and repayments may vary based on your credit assessment and lender terms.

On-Road Costs

Stamp Duty & On-Road Costs by State

The loan calculator covers your repayment. It does not include the costs you pay to put the car on the road. The big one is stamp duty (also called vehicle or registration duty), which is charged on the dutiable value of the car, usually the higher of the price you paid or the market value.

Rates, value brackets, and electric-vehicle concessions are set by each state and territory and change from time to time, so we do not quote a number here. Instead, use your state's official calculator below for the current figure, then add it to the amount you plan to finance.

Other costs to budget on top of the loan

  • Registration and transfer fees when the car changes hands
  • Compulsory Third Party (CTP) insurance, plus comprehensive insurance
  • A roadworthy or safety certificate where your state requires one
  • Dealer delivery or establishment fees if you are buying through a dealership

These figures come from each state's transport or revenue office, not from us. We link to the official sources so the numbers you rely on are always current. If you want help comparing the all-in cost across vehicles, that is part of what a broker does.

FAQ

Car Loan Calculator FAQs

Repayments, Rates & On-Road Costs

Enter the amount you want to borrow, an interest rate, and the loan term. The calculator estimates your weekly, fortnightly and monthly repayments and the total interest over the life of the loan. It is an estimate to help you budget. Your actual repayments depend on the lender, your credit profile, fees, and the final rate you are offered.

The repayment maths is standard, so the figures are a realistic guide for Australian car loans. The number it cannot know is your exact interest rate, because that is set by the lender based on your situation, the vehicle, and the loan type. Use the estimate to set a budget, then compare real lender quotes before you commit.

No. The calculator covers the loan repayment only. Stamp duty, registration, CTP insurance and transfer fees are separate and vary by state. Use the on-road costs section above to find your state's official duty calculator, then add those costs to the price you finance.

In every state and territory, vehicle stamp duty (also called registration or vehicle duty) is based on the dutiable value of the car, which is usually the higher of the price you paid or the market value. The exact rate, value brackets, and any EV or low-emission concessions differ by state, so always check your state's official government calculator for the current figure.

You can, but it increases the amount you borrow and the total interest you pay. Some buyers pay on-road costs upfront and finance only the vehicle. Run both scenarios in the calculator so you can see the repayment difference before you decide.

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Want to compare funding paths first? See car finance options or car loan vs novated lease.