Fuel cost calculator
What a journey costs in petrol, diesel or electricity: type the km, pick your car, and today's average price in New Zealand is already in.
Today's average in New Zealand. Change it to your station's price.
Type how far you're going
The cost shows here as you type, with your car's fuel use and today's price already in.
What 100 km costs today
At New Zealand's average petrol price of $2.94 a litre.
A car that uses 5 L/100km
$14.70
A car that uses 7 L/100km
$20.58
A car that uses 10 L/100km
$29.40
Look up your car's official fuel use and what it costs to run a year.
Questions
How do I work out the fuel cost of a journey?
Multiply the distance by your car's fuel use and divide by 100 to get the litres, then multiply by the price a litre. 300 km in a car that uses 7 L/100km takes 21 litres.
How much does it cost to drive 100 km?
At today's average petrol price in New Zealand ($2.94 a litre): $14.70 in a car that uses 5 L/100km, $20.58 in a car that uses 7 L/100km, $29.40 in a car that uses 10 L/100km.
Is diesel cheaper to run than petrol?
Diesel costs $2.34 a litre today against $2.94 a litre for petrol, so a diesel that uses the same fuel costs less.
How do I find my car's fuel consumption?
Pick your car in the calculator and its official figure fills in. Every model's figures, and what it costs to run a year in New Zealand, are on Roadtrip's car pages.
Do diesels and EVs pay road user charges on top?
Yes. Diesels, electric cars and plug-in hybrids pay road user charges per 1,000 km in New Zealand, as well as what they use. Roadtrip's RUC calculator works out what they add.
Plan the whole trip
Roadtrip works out the cost of a drive from the route and your exact car, finds the cheapest fuel on the way, and splits it with friends.
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