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Car Finance Calculator - Calculate Your Repayments

Looking to buy a new car? We’ll do the maths for you and list must-know tips to help you reduce the interest rate you pay.
Updated 25 November 2023
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​Our Calculator Makes The Numbers Clear
If you want car finance or a car loan, our easy to use repayment calculator will help you work out you will pay weekly, fortnightly or monthly, and what each lender may charge.

Christopher Walsh, MoneyHub's Founder and Head of Research, shares his views on car finance:
  • Car finance can get be a great deal or very expensive - please avoid rushing into a "bad deal" by carefully considering your options. I've written about the risks in Stuff.co.nz and continue to challenge the market.
  • Our calculator uses lending rates and is designed to help you see the options available; we believe comparing online is the best place to start. Once you're in a car yard, there's very little you can do - the pressure is high, and the temptation to 'drive it away today' is huge, but so is the risk of overpaying for your car loan.
  • Our car finance comparison research highlighted three leading car finance lenders that reliably and consistently offer fair interest rates to the majority of borrowers. We suggest contacting Simplify Loans, Better Finance and Lending Crowd to see what interest rate they will offer.
  • If you are thinking about getting a guarantor on a car loan, our Car Loan Guarantors guide outlines what you need to know.
  • Advertising Disclosure: We may receive a commission if you take out a loan, but this does not influence our shortlist. Interest rates vary based on each borrower. 
Christopher Walsh
MoneyHub Founder
Christopher Walsh
MoneyHub Founder
MoneyHub's Top Car Finance Options - Avoid high interest rates and fees with our trusted lenders.
  • Our car finance comparison research highlighted four leading car finance companies that reliably and consistently offer fair interest rates to most borrowers and are active lenders.
  • We suggest contacting dedicated car loan specialist Simplify - their team has a proven track record of offering market-leading interest rates and terms.
  • Low-fee personal lenders Harmoney and Lending Crowd offer car lending and are 100% online.
  • We also suggest contacting car-focused lenders like MTF Finance - MTF offers branch-based lending in locations all over New Zealand.
  • The more you compare, the better your chances of finding the best deal and financing your car for the lowest price.
  • Remember, the interest rate you agree to now makes a huge difference when you repay your car loan week after week.
  • Signing up for finance with a car salesperson is unlikely to be the best or most cost-effective option.
  • Advertising Disclosure: We may receive a commission if you take out a loan, but this does not influence our shortlist. Interest rates vary based on each borrower.
Our Top Two Trusted and Affordable Car Lenders Committed to Fast Quotes:
Alternatives - Two Online Lenders with a Proven Track Record:

Car Finance Calculator

Calculate Your Interest and Repayment Costs
To find out what you will pay monthly and in total for your car finance, simply insert:
  1. The loan amount (the total amount of money you want to borrow)
  2. The loan length (how long you want to repay the loan)

Know this first:
  • The repayment amounts exclude any upfront fees and/or ongoing fees a lender may charge.
  • The interest rates below represent each lender's lowest rate. This is not necessarily the rate you will receive, and for this reason, we suggest considering your options carefully and arranging multiple quotes.

Enter Information

I want to borrow

How Pricing months

with the following repayment period:

Important: Our calculations are based on the assumption that you make the same fixed car repayment for the entire repayment period, the interest rate does not increase or decrease, you don't miss any repayment deadlines, overpay or underpay. ​

How much should I borrow to buy a new car?

We suggest spending no more than 10% of your monthly pre-tax income on car repayments. For example, if you earn $30,000 a year after tax, that's around $300 per month. This leaves you money for essential expenses and everyday items, as car insurance, WOF and petrol.

Related Guides: Get the Best Car and Car Finance Deal

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​Advertising Disclosure: MoneyHub may receive a payment if you make a purchase on our website. Such commercial arrangements have no influence on our independent reviews of financial products. Please refer to our advertising policy for more details.