Several New Zealand banks offer 0% or low-interest green loans to help you buy an electric vehicle. Here's how they work, who qualifies, and how to apply, explained simply

One of the best-kept secrets in buying an electric vehicle in New Zealand is that several of the major banks will lend you the money at 0% or 1% interest. At a time when standard car finance often sits somewhere between 8% and 15% per year, a 0% green loan can save you thousands of dollars over the life of the loan. Yet a surprising number of buyers have never heard of these products, or assume they are only for solar panels and insulation.
Here is a clear, practical guide to how New Zealand's bank green loans work for buying an EV, who qualifies, what to watch out for, and how to apply. As always with anything involving finance, treat this as general information rather than financial advice, and confirm the current details directly with the lender, because rates and terms change.
What is a green loan?

A green loan is bank credit that can only be used for environmentally beneficial purposes. That includes things like solar panels, insulation, heat pumps, home batteries, double glazing, and, importantly for us, electric vehicles and home EV chargers.
In New Zealand, the big four banks (ANZ, ASB, BNZ, and Westpac) deliver these as a discounted top-up on an existing home loan. Because the money is effectively added to your mortgage but ring-fenced for the green purchase, the bank can offer a much lower interest rate than a standard car loan or personal loan.
Why do banks do this? It is not pure charity. Residential mortgages are one of the biggest sources of what is called financed emissions on a bank's books, meaning the carbon attributable to what their lending pays for. Under New Zealand's climate disclosure rules, banks now have to report and reduce these, so lending you cheap money to buy a cleaner vehicle helps them meet their own targets. It is a genuine win-win.
The key point: these are mortgage top-ups

Here is the single most important thing to understand before you get excited about a 0% rate. For the big four banks, these green loans are structured as top-ups on an existing home loan. That means you generally need to:
- Own a home, and
- Have a mortgage with that bank, or be willing to move your mortgage to them, and
- Have enough equity in your property, typically at least 20% for an owner-occupied home, and more for an investment property.
If you are a renter, or you own your home outright with no mortgage, or you do not have enough equity, these particular loans are usually not available to you. That does not mean you are out of options, and we cover the alternatives further down, but it is the first thing to check before you get your hopes up.
The 2026 green loan landscape for EVs

Here is how the major banks' green loan offerings compare as a general guide. Rates, caps, and conditions change regularly, so always confirm the current details directly with the bank before making any decisions.
Westpac Greater Choices Home Loan Widely regarded as the standout for EV buyers. Westpac offers 0% interest for up to five years on borrowing up to $50,000, and crucially the rate is held for the full five-year term with no reversion to a higher rate partway through. There are typically no establishment fees, and you can make lump sum repayments or repay early without penalty. You need a Westpac home loan, or a willingness to move yours to them, and to meet their equity and affordability criteria.
ANZ, ASB, and BNZ These three typically offer 1% interest, fixed for three years, on larger amounts up to $80,000. The important detail in the small print is that the discounted rate usually applies only for the first three years, after which the balance rolls onto the bank's standard home loan rate, which in 2026 sits somewhere around 7% to 8%. This makes them excellent value if you repay aggressively within the three-year window, but far less impressive if you let the balance drift onto the standard rate afterward.
Kiwibank Kiwibank has generally taken a different approach, offering a cash contribution toward sustainable purchases rather than a specifically discounted EV rate. Check their current sustainable energy lending details directly.
A note on the numbers. A 0% rate held for five years and a 1% rate that reverts after three years are fundamentally different products, even though the headline rates look similar. On a $50,000 loan, the five-year 0% option can save significantly more in real interest than the three-year 1% products, simply because there is no reversion. The best choice depends heavily on how much you need to borrow and how quickly you can repay.
Do green loans cover hybrids, or only pure EVs?
This is a genuinely important question for New Zealand buyers, because so much of the used market is made up of hybrids and plug-in hybrids.
The answer varies by bank and changes over time, so it is essential to check current criteria. As an example of why this matters: Westpac's 0% Greater Choices loan was originally advertised as covering hybrids, but hybrids were later removed, meaning it applied to fully electric vehicles only. Other banks have different rules, and some are happy to fund a hybrid while others are not.
The takeaway is simple. Never assume a green loan covers the specific vehicle you want. Confirm with the bank whether your chosen vehicle, whether it is a full battery EV, a plug-in hybrid, or a conventional hybrid, actually qualifies under their current criteria before you commit to anything.
Can you use a green loan to buy a used EV?

Yes, and this is good news given that most Kiwis buy used. However, there is a near-universal condition to be aware of.
Most banks require the EV to be purchased from a registered motor vehicle trader, which means a licensed dealership. Private sales usually do not qualify. Used EVs bought from a dealership like ours are typically eligible, while a car bought privately through an online listing typically is not.
This is actually one of the quiet advantages of buying from a registered dealer rather than privately. Beyond the consumer protections and the ability to have an AA appraisal, buying from a licensed motor vehicle trader is often what unlocks access to these cheap green finance rates in the first place.
Many banks also allow you to include the cost of a home EV charger in the same green loan, whether it is a portable unit or a wall-mounted single-phase or three-phase charger. If you are planning to set up home charging, it is worth asking about bundling that into the loan.
What you need to apply

While each bank has its own process, the requirements are broadly similar. To apply for a green loan to buy an EV, you will generally need:
- An existing home loan with the bank, or a willingness to move your mortgage to them.
- Sufficient equity in your property, usually at least 20% for an owner-occupied home.
- Your main income credited into an account with that bank, in some cases.
- Proof of what you are buying. For an EV, this means a signed sale and purchase agreement from a licensed motor vehicle dealer.
That last point is the one we can help with directly. Once you have chosen your vehicle, we provide the sale and purchase agreement that the bank needs to release the funds. In most cases, that purchase agreement is genuinely all you need from the vehicle side to get your application moving.
How to apply, step by step
Step 1: Check your eligibility. Confirm you have a home loan with one of the participating banks, or are willing to refinance to one, and that you have enough equity. If you do not own a home, skip to the alternatives section below.
Step 2: Choose your vehicle and confirm it qualifies. Pick your EV, and check with the bank that the specific vehicle type is eligible under their current green loan criteria. Remember the hybrid caveat.
Step 3: Get your sale and purchase agreement. Come and see us, or give us a call, and we will provide the signed sale and purchase agreement for your chosen vehicle. This is the key document the bank needs.
Step 4: Apply with your bank. Approach your bank, or a mortgage adviser, with the purchase agreement and apply for the green top-up. They will assess it against their lending and affordability criteria.
Step 5: Funds released, drive away. Once approved and the paperwork is in order, the bank releases the funds and you complete your purchase.
If you do not own a home: the alternatives
Green home loan top-ups are not available to everyone, but you still have options for financing an EV.
Dedicated EV personal loans. Some lenders offer unsecured EV-specific personal loans at rates lower than their standard personal loan rates, though higher than the mortgage-linked green loans. As a guide, these have been available around the 8% mark in 2026, compared to standard personal loans that can be 13% or higher.
Secured car finance. A standard secured vehicle loan, where the car itself is the security, generally attracts a lower rate than an unsecured loan. Rates vary widely based on your credit profile, the vehicle, and the lender.
Dealer finance. We can talk you through the finance options available on any vehicle in our stock, and help you find an approach that suits your situation.
None of these will beat a 0% green loan, but they are all worth considering if the bank green loans are not open to you.
Is a green loan actually worth it?
For the right buyer, absolutely. If you own your home, have a mortgage with a participating bank, have the equity, and can repay within the interest-free or low-interest window, a green loan is one of the cheapest ways to finance a vehicle available anywhere in New Zealand. Saving 8 or more percentage points of interest compared to standard car finance adds up to thousands of dollars over the life of the loan.
The main traps to avoid are letting a 1% loan drift onto the standard rate after the discounted period ends, borrowing more than you can comfortably repay within the term, and assuming your chosen vehicle qualifies without checking. Provided you go in with your eyes open, a green loan can make the switch to electric significantly more affordable.
Ready to find your EV?

Browse our current range of electric vehicles at gvi.kiwi, or call our team on 0800 443 684. Once you have found the right vehicle, we will provide the sale and purchase agreement you need to apply for green finance, and we are happy to talk through all your finance options. We offer nationwide delivery, remote purchase, and AA-appraised peace of mind on every vehicle we sell.
Disclaimer
The content in this post is based on our own research and publicly available information current as of 2026 and is intended for general informational purposes only. It does not constitute financial advice. We are not a financial adviser, and green loan rates, caps, eligibility criteria, and vehicle qualification rules vary between lenders and change frequently. Interest rates and terms quoted are indicative only and were current at the time of writing. Always confirm current details directly with the relevant bank or a qualified financial adviser, and ensure any borrowing is affordable for your circumstances, before making any financial decisions.
Target keywords: green loan EV New Zealand, 0 interest EV loan NZ, Westpac Greater Choices EV, bank green loan electric vehicle NZ