How the car loan repayment is calculated
The amount financed is converted into equal principal-and-interest payments at the entered fixed annual rate. The estimate uses 52 weekly, 26 fortnightly or 12 monthly periods per year.
New Zealand · Car loans and vehicle finance
Car loan and vehicle finance calculator NZ
Use this NZ car finance calculator to estimate weekly, fortnightly or monthly repayments. Include the vehicle price, cash deposit, trade-in, existing trade-in debt, financed fees, interest rate, term and optional balloon payment.
Free browser-based estimate · No application or personal details required
Estimated loan repayment
$293.35
per fortnight for 130 regular payments
Amount borrowed
$30,000
Total interest
$8,135
- Car price
- $35,000
- Deposit
- $5,000
- Total loan repayments
- $38,135
- Estimated total paid overall
- $43,135
Compare the total repaid—not only the regular payment—when reviewing vehicle-finance offers.
Estimate only: This loan repayment calculator does not provide approval, compare live lender offers or assess whether repayments are affordable. Confirm every figure in the lender's disclosure statement before signing.
What the amount financed includes
Vehicle price and financed fees are increased by any trade-in shortfall, then reduced by the cash deposit and positive trade-in equity. This shows why the loan can differ from the advertised car price.
Compare the repayment and total cost
A smaller regular repayment does not always mean cheaper finance. Extending the term or adding a balloon can reduce each payment while increasing interest or leaving more due later.
Use the trade-in fields carefully
Enter the vehicle's offered trade-in value and any debt secured against it separately. The calculator deducts positive equity or adds negative equity to the new finance estimate.
How to compare car finance in New Zealand
Start with the same vehicle cash price and deposit for every offer. Then enter each lender's annual interest rate, establishment fee, financed add-ons, repayment frequency, term and final balloon. Compare the total repaid to the lender as well as the advertised weekly or fortnightly amount.
Consumer Protection says a vehicle-loan disclosure statement should identify the total cost, repayments, interest, fees, security and consequences of missed payments. This calculator helps check the arithmetic, but the signed contract and disclosure statement control the actual loan.
Worked car finance estimate
A $35,000 vehicle with a $5,000 cash deposit, $3,000 net trade-in equity and a $500 financed establishment fee produces an amount financed of $27,500. At 9.95% p.a. for five years, the estimate is $268.90 per fortnight, with approximately $7,457 total interest. Actual lender timing and rounding can differ.
Compare the contract, not only the repayment
Check that the cash price, deposit and net trade-in equity are recorded correctly. Compare every establishment, brokerage, insurance and add-on fee, along with the annual rate, payment frequency, number of payments, total amount repayable and any final balloon.
A balloon or longer term can reduce the regular repayment but leave more principal outstanding for longer. This can increase total interest, and a balloon still has to be paid or refinanced at the end.
Include the cost of owning the car
A car finance estimate covers borrowing, not the complete household budget. Allow separately for insurance, fuel or charging, RUC where applicable, registration, WOF, servicing, tyres, repairs, parking and depreciation.
Compare selected vehicle running costsNew Zealand car-loan information
Read the current consumer guidance and the lender's own published terms and costs. The Financial Markets Authority is responsible for regulating the Credit Contracts and Consumer Finance Act from 1 July 2026.
Consumer Protection - getting a loan for your carFinancial Markets Authority - CCCFAFinancial Markets Authority - interest charges
Reviewed 29 September 2026. Rules and guidance can change; use the linked sources for current information.
Car loan calculator questions
How are car loan repayments calculated?
The calculator first estimates the amount financed from the vehicle price, financed fees, deposit and net trade-in equity. It then applies the entered fixed annual interest rate across the selected number of weekly, fortnightly or monthly payments. An optional balloon payment is discounted to the end of the term.
Is this also an auto finance or vehicle finance calculator?
Yes. Auto finance and automobile financing are international names for vehicle finance. In New Zealand, car loan calculator, car finance calculator and vehicle finance calculator are more common descriptions of the same type of estimate.
Does the loan calculator include a trade-in with money owing?
Yes. Enter both the trade-in value and the loan balance still owing. Positive equity reduces the new amount financed, while a shortfall increases it when that negative equity is rolled into the new loan.
Should I add the loan establishment fee?
Add any establishment fee or other cost only when it will be included in the loan balance. A financed fee attracts interest under this model. Costs paid separately should not be entered as financed costs.
What does a balloon payment do to car finance?
A balloon payment reduces the regular repayment by leaving a lump sum due at the end. Because more principal remains outstanding for longer, the total interest is generally higher than for the same loan without a balloon.
Why can a longer loan term cost more?
A longer term usually reduces each repayment but charges interest over more payment periods. Compare both the regular repayment and total repaid to the lender before choosing a term.
Will this match a lender car finance estimate exactly?
Not necessarily. Lenders may calculate interest daily, use different payment dates or rounding, and charge fees not entered here. Rates, approval, security, add-on products and early-repayment costs also depend on the contract.
What should I compare between New Zealand car loans?
Compare the cash vehicle price, amount financed, annual rate, all fees, payment frequency, number of payments, total interest, total amount repayable, any balloon payment, security and early-repayment conditions.
Car loan and vehicle finance guides
Understand how New Zealand car finance works, what determines repayments and interest, and how a balloon payment changes the final cost.
Car Finance NZ: How Does Vehicle Finance Work?
Understand how car finance works in New Zealand, from deposits and trade-ins to interest, fees and security, then compare the real amount you will repay.
Read guideCar Loan Repayments NZ: How Much Will You Pay?
Learn what sets a car loan repayment in New Zealand, compare three-, five- and seven-year terms, and see the total interest hiding behind a lower payment.
Read guideCar Loan Interest Rates NZ: How Do They Work?
Understand car loan interest rates in New Zealand, how lenders apply them to the balance, and why fees, loan term and amount borrowed affect the final cost.
Read guideCar Loan Balloon Payment NZ: How Does It Work?
Learn how a balloon payment lowers regular car loan repayments in New Zealand, what remains due at the end, and how it changes interest and refinancing risk.
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