Fuel prices and types

AA Petrolwatch: weekly fuel price change reports - 91 octane, 95 octane and diesel.

Petrolwatch updates

We report weekly & monthly AA Petrolwatch on fuel price changes in NZ. We include overall changes to 91 octane, 95 octane & diesel prices. Read the latest.

Running costs report

The AA’s running costs report highlights car running costs, compares petrol vs. diesel & can help you find ways to save on car costs. Get the report today.

Fuel prices

Why do fuel prices rise? Supply & demand, investment speculation, the currency market & excise tax all have an impact on the price. Get an AA Experts view.

How petrol prices are calculated

How are petrol prices calculated in New Zealand & how do the prices we pay compare with the international oil & refined fuel prices? Get an AA Expert’s view.

Petrol tax

For every litre of petrol purchased, 67.129 cents is collected by the Government as fuel excise, excluding GST. Our AA Experts look at how this breaks down.

New Zealand LPG pricing

LPG prices are not directly related to oil prices, are set internationally & reviewed monthly. Learn how the price is calculated from our team of AA Experts.

Biofuel & environmentally friendly cars

Find out about the types of biofuels available, how they compare to mineral fuels, and the cars available in New Zealand that are compatible with them.

Service station service

What level of service can you expect at a service station? The AA believes you should be able to get help with fuel, tyre pressure, oil and water levels.

Petrol or diesel - which one should you buy?

When buying a car should you choose petrol or diesel? There’s more to this decision than which is cheaper at the pump - we look at the factors to consider.

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