EV vs Petrol Comparison
EV vs Petrol Cost: Whanganui → Ashburton
How much cheaper is an electric vehicle compared to petrol on this 597 km route? Prices updated 10 April 2026.
Cost Comparison
One-way energy cost for EV models vs petrol vehicles. Home charging at NZD 0.36/kWh, DC fast at NZD 0.52/kWh.
| Vehicle | Energy used | Home charge | DC fast | Saving vs car |
|---|---|---|---|---|
| BYD Atto 3 | 94.8 kWh | NZD 34.11 | NZD 49.28 | NZD 96.18 saved |
| Tesla Model 3 | 85.3 kWh | NZD 30.70 | NZD 44.35 | NZD 99.59 saved |
| Volvo XC40 Recharge | 142.1 kWh | NZD 51.17 | NZD 73.91 | NZD 79.12 saved |
| MG4 | 87.8 kWh | NZD 31.61 | NZD 45.65 | NZD 98.69 saved |
| BMW iX3 | 110.6 kWh | NZD 39.80 | NZD 57.49 | NZD 90.50 saved |
| Petrol Car (Regular 91) | 49.8 L | NZD 130.30 | — | reference |
| Petrol Van (Diesel) | 66.3 L | NZD 148.52 | — | reference |
DC Fast Charging Time
Time to recharge the energy used for this 597 km route at DC fast charge speed.
New Zealand EV Electricity Rates
Rates used in the calculations above.
EV Questions: Whanganui to Ashburton
Is an EV cheaper than petrol for Whanganui to Ashburton?
Yes, on home charging, the best EV option for this 597 km route costs approximately NZD 30.70, compared to NZD 130.30 for a petrol car on Regular 91. That's a saving of NZD 99.59 per one-way trip. DC fast charging is slightly more expensive but still competitive.
How long does it take to recharge an EV for this route?
It depends on the EV and charger type. On a DC fast charger, most EVs listed here can replenish the energy used for this route in 10–40 minutes. Home AC charging typically takes several hours for the equivalent energy. See the charging time breakdown in the table above.
What is the electricity rate for EV charging in New Zealand?
The home charging rate used here is NZD 0.36/kWh. Public DC fast charging is estimated at NZD 0.52/kWh. Rates may vary by charger operator and subscription plan.
Which EV is most efficient for highway driving in New Zealand?
Among the reference models listed here, the Tesla Model 3 achieves approximately 7.0 km/kWh on highway routes, making it one of the most efficient for long-distance travel. Real-world performance may vary with speed, air conditioning, and load.
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