EV vs Petrol Car NZ Free Online Calculator

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EV vs Petrol

Your Driving

How much do you drive? This is used to calculate your annual running costs.
15000 km
The average NZ driver covers about 11,500 km/year. Adjust to match your habits.

Petrol Car

Enter the details for your petrol car (or a petrol car you are considering).
$
The price you paid or expect to pay for the petrol car.
L/100km
How many litres your car uses per 100km. Check your car manual or fuel receipts. Most NZ cars use 7-12 L/100km.
$/L
Current price per litre at your local station. NZ average Apr 2026 is around $3.10/L.
$
Covers servicing, tyres, repairs etc. Petrol cars typically cost $600-$1,000/year to maintain.
$
Your comprehensive car insurance premium. Leave the same for both cars if unsure.

Electric Car (EV)

Enter the details for the electric car you are comparing against.
$
The price you paid or expect to pay for the EV. EVs typically cost $10,000-$20,000 more than an equivalent petrol car upfront.
kWh/100km
How many kWh of electricity the EV uses per 100km. Small EVs use 14-17, large SUVs use 20-25. Check the WLTP rating for your model.
$/kWh
What you pay per kWh of electricity at home. Check your power bill. NZ average is around $0.28/kWh.
80%
What % of charging you do at home vs public chargers. Most EV owners charge at home 80-90% of the time. Public fast charging costs around $0.50-0.60/kWh.
$/kWh
Cost per kWh at public chargers. Slow AC chargers ~$0.30, fast DC chargers ~$0.50-$0.60.
$
EVs have fewer moving parts so cost less to maintain. Typical range is $300-$600/year (no oil changes, longer brake life).
$
EV insurance is similar to petrol cars. Use the same figure as your petrol car for a fair comparison.

Annual Running Costs

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$

Long-term Comparison

years

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EV vs Petrol Car NZ Calculator

Are you considering making the switch to electric, or is a fuel-efficient petrol car still the better financial move for your lifestyle? Our EV vs Petrol Car Cost Calculator NZ is designed specifically for the New Zealand market to help you uncover the "hidden" costs and long-term savings of vehicle ownership.

While EVs offer significantly lower "fuel" costs, the financial landscape has changed. This calculator provides a comprehensive 10-year Total Cost of Ownership (TCO) comparison by factoring in:

  • Road User Charges (RUC): We include the latest 2026 rates, including the $76 per 1,000km for Battery Electric Vehicles (BEVs) and the $38 per 1,000km for Plug-in Hybrids (PHEVs).

  • Energy vs. Fuel Volatility: Compare home charging rates (averaging ~30c/kWh) against current NZ petrol prices (frequently exceeding $3.15/L) to see your real-world weekly savings.

  • Maintenance & Servicing: EVs typically have 35% fewer moving parts. Our calculator accounts for the reduced servicing requirements of electric motors versus internal combustion engines over a decade.

  • Registration & ACC Levies: Factor in the higher annual licensing fees and ACC levies currently applied to electric vehicles in New Zealand.

  • The Break-Even Point: Identify exactly how many kilometers you need to drive per year to offset the typically higher upfront purchase price of an EV.

Whether you are looking at a brand-new BYD, a second-hand Leaf, or a fuel-efficient petrol hatchback, use this tool to get a transparent, unbiased look at your future transport costs.

We create free online calculators that help you solve real problems, answer weird questions, and cut through mental clutter — whether you're managing costs at work, figuring out your subscriptions, or just deciding if you should go out tonight.

There are no distractions, just practical tools designed to give you clarity when you need it.
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