Costco Fuel Price Today: Westgate, Auckland
Today’s Costco fuel and petrol prices at Westgate, Auckland, New Zealand’s only Costco: 91 Unleaded, Premium 95 and diesel, in NZD per litre and updated daily.
- 91 Unleaded · today
- $3.367
- Premium 95 · today
- $3.567
- Diesel · today
- $2.987▲ +12.0c
NZD per litre · Last updated 31 October 2026
2 Gunton Drive, Westgate, Auckland 0814 · Open in Maps ↗
30-day range
where today sits- 91 Unleaded$3.367 today · avg $3.354$3.217 low$3.387 high
- Premium 95$3.567 today · avg $3.525$3.407 low$3.567 high
- Diesel$2.987 today · avg $2.943$2.847 low$2.987 high
Price history at Westgate
Last 30 days · NZD per litre91 Unleaded: $3.217 on 2 Oct to $3.367 on 31 Oct, low $3.217, high $3.387. Premium 95: $3.407 on 2 Oct to $3.567 on 31 Oct, low $3.407, high $3.567. Diesel: $2.847 on 2 Oct to $2.987 on 31 Oct, low $2.847, high $2.987.
Last updated 31 October 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
Westgate is the only Costco petrol station in New Zealand, so its $3.367 for 91 Unleaded has no other Costco price to compare with.
- Premium 95 over 91 Unleaded
- 20.0c
- 91 Unleaded over the last 30 days
- up 15.0c
- Days the price changed
- 5 of 30 reported days
- Latest day at the 30-day low
- 2 October 2026, at $3.217
- 50-litre fill
- $168.35, $7.50 more than at the 30-day low
The Costco Westgate petrol station is at 2 Gunton Drive, Westgate, Auckland 0814, beside the warehouse. It is open to Costco members only and sells 91 Unleaded, Premium 95 and diesel. Fuel opening hours are 6am – 9:30pm on weekdays, 6am – 8:30pm on Saturdays and 6am – 7:30pm on Sundays, New Zealand time.
Station details
Westgate fuel station opening hours
- Mon–Fri
- 6am – 9:30pm
- Saturday
- 6am – 8:30pm
- Sunday
- 6am – 7:30pm
Westgate warehouse opening hours
- Mon–Fri
- 10am – 8:30pm
- Saturday
- 9:30am – 6:30pm
- Sunday
- 10am – 6pm
At this location
- Warehouse phone
- +64 9 870 4700
- Pumps open early
- 4 hours before the warehouse on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department, a hearing aid centre and a tyre centre.
Costco fuel opening hours
Public holiday hours can differ from the usual week. Costco fuel opening hours has the fuel and warehouse times side by side, whether the pumps are open now, and this year’s New Zealand public holidays and restricted trading days.
Costco diesel price today
- Diesel today
- $2.987 per litre, 31 October 2026
- Since the previous reading
- +12.0c
- vs 91 Unleaded
- 38.0c a litre cheaper
New Zealand diesel carries no fuel excise duty at the pump: diesel vehicles pay road user charges (RUC) per kilometre instead, bought in advance. Petrol’s excise is in its pump price, so compare the two on cost per kilometre rather than per litre.
91 Unleaded vs Premium 95
Premium 95 costs 20.0c a litre more than 91 Unleaded at Westgate today ($3.567 against $3.367), which is $10.00 more on a 50-litre fill. On the days in the last 30 when Premium 95 cost more, the gap averaged 17.1c a litre, between 7.0c and 20.0c. Your owner’s manual or the fuel-filler flap gives the minimum octane your car needs.
Getting to Costco Westgate
Costco Westgate is at 2 Gunton Drive, Westgate, Auckland 0814, in the Westgate town centre in north-west Auckland beside the Northwestern Motorway (SH16). The car entrance is on Gunton Drive. The warehouse phone number is +64 9 870 4700.
Frequently asked questions
What is the Costco Westgate fuel price today?
As of 31 October 2026: 91 Unleaded: $3.367, Premium 95: $3.567 and Diesel: $2.987 per litre. Prices are collected once a day, so the pump can differ.
What are the Costco Westgate fuel opening hours?
The pumps are open 6am – 9:30pm weekdays, 6am – 8:30pm Saturdays and 6am – 7:30pm Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Westgate petrol station sell diesel?
Yes — diesel is $2.987 per litre here as of 31 October 2026.
Where is the Costco Westgate petrol station?
At 2 Gunton Drive, Westgate, Auckland 0814. It sits in the Costco warehouse car park and is open to members only.
Do you need a Costco membership to buy fuel at Westgate?
Yes — the fuel station is for Costco members only, and your membership card has to be scanned at the pump before it will dispense fuel.
How do you pay for fuel at Costco Westgate?
By card at the pump, after scanning your membership card; it is self-serve, with no kiosk and no cash payment.