Why petrol prices rise faster than they fall
What New Zealand research found about how quickly cost increases and decreases reach the pump.
Fuel price guides
Petrol 91 vs 95 in NZ: Which should you use?
How to choose the right petrol grade, what the price gap looks like and when premium fuel matters.
Fuel price history NZ: What petrol used to cost
Selected annual Petrol 91 averages since 2005, with the cost of a 40 litre fill for context.
Diesel vs petrol in NZ: Which costs less?
A practical comparison that includes fuel use, road user charges and the way you drive.
Petrol tax NZ: What you pay at the pump
A clear breakdown of the fixed duties and levies included in Petrol 91 and Petrol 95.
Diesel price forecast NZ: Will prices rise or fall?
Why diesel can move differently from petrol, and what a price change means for your next fill.
When is the best time to buy petrol in New Zealand?
What 22 years of pump prices show about the cheapest month, and why there is no best day.
Will petrol prices go up or down in NZ?
Why pump prices lag world fuel costs, and what that makes knowable a week or two ahead.
How fuel prices are set in New Zealand
The parts that make up the price on the pump sign, and which of them move week to week.