Your car against an EV
The 2019 Nissan Leaf costs $1,620 a year less to run, and puts out 2.0 tonnes less CO₂e
| A year | 2012 Toyota Corolla | 2019 Nissan Leaf |
|---|---|---|
| Uses | 6.8 L/100 km | 18 kWh/100 km |
| Fuel or power | $3,270 | $580 |
| Road user charges | $0 | $1,060 |
| Total | $3,270 | $1,650 |
| CO₂e | 2,250 kg | 220 kg |
Power at 21.1c/kWh: 50% of New Zealand's 42.1c, as retailers' overnight EV plans charge (an assumption). Rightcar's energy use plus 10% for charging losses; 91 petrol at $3.43/L (MBIE, week to 2 October 2026). Servicing, tyres and insurance aren't included.
Used EVs
- Nissan Leaftypically $20,993
Home-loan top-ups for an EV
- ANZ Good Energy Home Loan top-up (opens the bank’s site)
1% for 3 years, up to $80,000
Fixed for 3 years, then ANZ's floating home loan rate
ANZ home loan customers with at least 20% equity. New or used EVs, plug-in hybrids and hybrids from a registered motor vehicle trader
- ASB Better Homes Top Up (opens the bank’s site)
1% for 3 years, up to $80,000
Fixed for 3 years, then ASB's housing variable rate
Existing ASB home loan customers with at least 20% equity. New or used EVs, plug-in hybrids and hybrids from a registered motor vehicle trader
- BNZ Better Future home loan top-up (opens the bank’s site)
1% for 3 years, up to $80,000
Fixed for 3 years, then refix or BNZ's floating home loan rate
BNZ home loan customers with at least 20% equity. New or used EVs, plug-in hybrids and hybrids from a registered motor vehicle trader
- Westpac Greater Choices home loan (opens the bank’s site)
0% for 5 years, up to $50,000
Interest free for 5 years, and repaid within them
Westpac Choices home loan customers with at least $150,000 of lending and 20% equity. EVs from a licensed motor vehicle dealer
Home-loan top-ups, alphabetical. Rates as at 7 October 2026, from each bank’s own page. Information, not a recommendation.
Sources: Rightcar (NZTA) energy and fuel use, and the brand’s stated energy use for new EVs; MBIE electricity and fuel prices, NZTA road user charges and MfE emission factors. Every source.